{"title":"Rotax Max Crank Case Parts","description":"","products":[{"product_id":"rotax-max-crankcase-assembly","title":"1. 295915 Rotax Max Crankcase Assembly","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Crankcase Assembly\u003c\/strong\u003e (R.295915) is the OEM black-coated aluminum crankcase for the Rotax 125 MAX EVO engine. This is the structural heart of the engine — housing the crankshaft, balance shaft, water pump drive, e-starter reduction gear, and all primary bearing and seal locations. The current production crankcase (R.295915) features a machined pick-up sensor flange, differentiating it from earlier versions that required a gasket (R.431500) at that location. Crankcase replacement is required after a seizure, severe bearing failure, or any event that causes cracking or distortion of the main bearing bores.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e. Sold as the bare crankcase assembly — all bearings, seals, and internal components must be sourced separately. See the Engine Gasket Set (R.296160) for the complete seal and gasket kit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.295915\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black coated aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks the Rotax crankcase assembly alongside all internal engine components for a complete engine rebuild.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168096825565,"sku":"R.295915","price":917.7,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-crankcase-dowel-pin-8x12","title":"2. 632010 Rotax Max Crankcase Dowel Pin 8x12","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Crankcase Dowel Pin 8x12\u003c\/strong\u003e (R.632010) is the OEM locating pin used to precisely align the crankcase halves and mating components on the Rotax 125 MAX EVO engine. Two of these pins are used per engine, ensuring correct alignment of the crankcase assembly during assembly and preventing any relative movement between mating surfaces. Correct pin fitment is critical — a missing or damaged dowel pin allows crankcase halves to shift, misaligning bearing bores and potentially causing premature bearing or crankshaft failure.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.632010\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e DIN 5402, 8 x 12mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Required:\u003c\/strong\u003e 2 per engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks crankcase dowel pins alongside the full Rotax 125 MAX EVO crankcase and engine rebuild parts.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168096858333,"sku":"R.632010","price":0.0,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-crankshaft-oil-seal-28x38x7","title":"3. 230425 Rotax Max Crankshaft Oil Seal 28x38x7 NBR","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Crankshaft Oil Seal 28x38x7 NBR\u003c\/strong\u003e (R.230425) is the OEM lip seal used at the PTO (power take-off) side of the crankshaft on all Rotax 125 MAX EVO engines. This seal prevents gear oil from the gearbox side from migrating into the crankcase and fuel\/air mixture from escaping past the crankshaft, maintaining the correct crankcase pressure differential that is essential for two-stroke engine performance. A leaking crankshaft oil seal causes lean running, power loss, and potential gear oil contamination of the combustion chamber.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e. Also included in the Engine Gasket Set (R.296160). Replace at every major engine rebuild.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.230425\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 28 x 38 x 7mm, NBR compound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocation:\u003c\/strong\u003e Crankshaft PTO side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks this seal individually and as part of the full Engine Gasket Set (R.296160).\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168096891101,"sku":"R.230425","price":16.36,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-crankshaft-oil-seal-25x38x7","title":"4. 930675 Rotax Max Crankshaft Oil Seal 25x38x7 NBR","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Crankshaft Oil Seal 25x38x7 NBR\u003c\/strong\u003e (R.930675) is the OEM lip seal used at the magneto (ignition) side of the crankshaft on all Rotax 125 MAX EVO engines. Like its counterpart on the PTO side (R.230425), this seal maintains correct crankcase pressure and prevents oil migration past the crankshaft. The magneto-side seal is slightly smaller in inner diameter (25mm vs. 28mm) to match the crankshaft journal diameter at that end — these two seals are not interchangeable despite their similar appearance.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e. Also included in the Engine Gasket Set (R.296160). Always replace both crankshaft seals together during an engine rebuild.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.930675\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 25 x 38 x 7mm, NBR compound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocation:\u003c\/strong\u003e Crankshaft magneto\/ignition side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks both crankshaft oil seals individually and as part of the Engine Gasket Set (R.296160).\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168096923869,"sku":"R.930675","price":16.36,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-main-bearing-6206-tvh-c4m","title":"5. 832583 Rotax Max Main Crankshaft Bearing 6206 TVH C4M","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Main Crankshaft Bearing 6206 TVH C4M\u003c\/strong\u003e (R.832583) is the OEM deep groove ball bearing used at the main crankshaft bearing positions in the Rotax 125 MAX EVO crankcase. Two of these bearings support the crankshaft within the crankcase. The C4M internal clearance designation is critical — standard C3 or C2 bearings are not a suitable substitute, as the C4M clearance is specifically selected to accommodate the thermal expansion characteristics of the Rotax two-stroke engine at operating temperature. Using incorrect clearance bearings leads to premature failure and potential seizure.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e. Replace at every crankshaft removal or major engine rebuild.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.832583\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing Number:\u003c\/strong\u003e 6206 TVH C4M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 30 x 62 x 16mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Required:\u003c\/strong\u003e 2 per engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways use OEM-spec C4M clearance bearings in the Rotax crankcase. CMC Karting stocks genuine Rotax crankcase bearings for all MAX EVO rebuilds.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097022173,"sku":"R.832583","price":39.21,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-balance-shaft-bearing-6302-tn9c3","title":"6. 232291 Rotax Max Balance Shaft Bearing 6302 TN9C3","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Balance Shaft Bearing 6302 TN9C3\u003c\/strong\u003e (R.232291) is the OEM deep groove ball bearing used on the balance shaft of the Rotax 125 MAX EVO engine. The balance shaft reduces primary engine vibration and must spin precisely at crankshaft speed — a worn or damaged balance shaft bearing causes increased engine vibration, noise, and can ultimately lead to balance shaft misalignment that damages the balance gears. The TN9C3 designation specifies a nylon-caged bearing with C3 internal clearance appropriate for this application.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e. Replace at every major engine rebuild.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.232291\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing Number:\u003c\/strong\u003e 6302 TN9C3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 15 x 42 x 13mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks all Rotax 125 MAX EVO crankcase bearings for complete engine rebuilds.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097054941,"sku":"R.232291","price":27.36,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-bearing-6005-e-c3","title":"7. 232341 Rotax Max Bearing 6005 E C3","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Bearing 6005 E C3\u003c\/strong\u003e (R.232341) is the OEM deep groove ball bearing used at the water pump\/balance shaft location in the Rotax 125 MAX EVO crankcase. This bearing supports the outer end of the balance shaft and forms part of the water pump drive assembly, carrying both radial loads from the balance shaft rotation and the axial forces from the water pump gear. A worn bearing at this location causes coolant pump inefficiency, water pump shaft wobble, and can result in water pump seal failure.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e. Replace at every major engine rebuild alongside the water pump shaft assembly (R.220515).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.232341\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing Number:\u003c\/strong\u003e 6005 E C3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 25 x 47 x 12mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks this bearing alongside the water pump shaft assembly and the full Rotax 125 MAX EVO crankcase bearing set.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097087709,"sku":"R.232341","price":33.89,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-crankcase-thrust-washer","title":"8. 227280 Rotax Max Crankcase Thrust Washer","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Crankcase Thrust Washer\u003c\/strong\u003e (R.227280) is the OEM thrust washer used at the crankshaft bearing location in the Rotax 125 MAX EVO crankcase to control axial crankshaft end-play. This washer sits between the main bearing and the crankcase shoulder, limiting the amount of fore-and-aft movement of the crankshaft assembly. Correct end-play is critical for proper gear mesh on the balance gears and for the integrity of the crankshaft oil seals — excessive end-play causes seal lip wear and gear-tooth contact issues.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.227280\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks this washer alongside the full Rotax 125 MAX EVO crankcase rebuild components.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097120477,"sku":"R.227280","price":9.59,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-crankcase-countersunk-screw-m5x12","title":"9. 940316 Rotax Max Crankcase Countersunk Screw M5x12","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Crankcase Countersunk Screw M5x12\u003c\/strong\u003e (R.940316) is the OEM Grade 5.8 countersunk head bolt used at the crankcase assembly on the Rotax 125 MAX EVO engine, tightened to 6 Nm. The flush-fitting countersunk head is used where a standard hex or socket head would protrude into the crankcase bore or adjacent component clearance area. This is a torque-specific fastener — always use a calibrated torque wrench and do not substitute with a standard hex bolt.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.940316\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e M5 x 12mm, Grade 5.8, Countersunk Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTightening Torque:\u003c\/strong\u003e 6 Nm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks OEM Rotax crankcase fasteners so your engine goes back together with the correct hardware.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097153245,"sku":"R.940316","price":0.45,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-crankcase-locating-pin-m6x40","title":"10. 229380 Rotax Max Crankcase Locating Pin M6x40","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Crankcase Locating Pin M6x40\u003c\/strong\u003e (R.229380) is the OEM precision locating pin used to align the crankcase with the cylinder on the Rotax 125 MAX EVO engine. This pin ensures the cylinder is positioned exactly over the crankcase mating face with no rotational or lateral offset, which is essential for correct piston-to-port timing and proper sealing of the crankcase-to-cylinder gasket. A missing or damaged locating pin causes cylinder misalignment that affects power port geometry and risks gasket failure.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.229380\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e M6 x 40mm, small-head locating pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks crankcase locating pins alongside the full Rotax 125 MAX EVO engine rebuild parts.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097186013,"sku":"R.229380","price":7.16,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-water-pump-shaft-oil-seal-10x26x7","title":"11. 230195 Rotax Max Water Pump Shaft Oil Seal 10x26x7","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Water Pump Shaft Oil Seal 10x26x7 NBR\u003c\/strong\u003e (R.230195) is the OEM lip seal used on the water pump shaft of the Rotax 125 MAX EVO engine. Two of these seals are installed on the water pump shaft — one on each side of the pump — preventing coolant from entering the crankcase oil side and preventing gear oil from contaminating the coolant circuit. A leaking water pump shaft seal causes coolant loss, overheating, and potentially gear oil contamination of the coolant, which can lead to water pump impeller failure.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e. Also included in the Engine Gasket Set (R.296160). Replace whenever the water pump shaft assembly (R.220515) is removed.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.230195\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 10 x 26 x 7mm, NBR compound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Required:\u003c\/strong\u003e 2 per engine (one each side of pump)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks the water pump shaft seals individually and as part of the Engine Gasket Set (R.296160).\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097218781,"sku":"R.230195","price":14.45,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-water-pump-shaft-assembly","title":"12. 220515 Rotax Max Water Pump Shaft Assembly","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Water Pump Shaft Assembly\u003c\/strong\u003e (R.220515) is the complete OEM water pump unit for the Rotax 125 MAX EVO engine, including the pump shaft, impeller, and associated internal components (Positions 12–16). The water pump is gear-driven directly from the balance shaft and circulates coolant between the engine and radiator to maintain correct operating temperature. A worn or failing water pump causes reduced coolant flow, overheating, and potential engine damage — symptoms include rising coolant temperatures, coolant weeping from the pump shaft area, and impeller wobble.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e. Install with new shaft oil seals (R.230195 x2) and dowel pin (R.229200). The pump shaft seals and dowel are not included in this assembly and must be ordered separately.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.220515\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Water pump shaft, impeller, and internal components (Pos. 12–16)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks the water pump shaft assembly alongside the shaft oil seals, dowel pin, and complete Rotax cooling system parts for a full water pump service.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097251549,"sku":"R.220515","price":42.74,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-water-pump-shaft-dowel-4x16","title":"16. 229200 Rotax Max Water Pump Shaft Dowel Pin 4x16","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Water Pump Shaft Dowel Pin 4x16\u003c\/strong\u003e (R.229200) is the OEM locating dowel that keys the water pump impeller to the pump shaft in the Rotax 125 MAX EVO engine. This small pin prevents the impeller from spinning independently of the shaft, ensuring all pump shaft rotation is transferred directly to impeller rotation for maximum coolant flow. A sheared or missing dowel pin causes the impeller to freewheel on the shaft — the pump shaft turns but the impeller does not, resulting in immediate loss of coolant circulation and rapid overheating.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e. Fits into the water pump shaft assembly (R.220515).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.229200\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 4 x 16mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways fit a new dowel pin when installing the water pump assembly — it's one of the cheapest parts in the engine and one of the most critical. CMC Karting stocks it alongside the full water pump service parts.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097284317,"sku":"R.229200","price":6.66,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-crankcase-gasket","title":"17. 650494 Rotax Max Crankcase Gasket","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Crankcase Gasket\u003c\/strong\u003e (R.650494) is the OEM base gasket that seals the joint between the crankcase and the gear cover (gearbox side) on the Rotax 125 MAX EVO engine. This gasket maintains the oil-tight seal of the gearbox cavity, preventing gear oil from leaking out at the crankcase-to-cover joint and ensuring correct lubrication of the balance gears and water pump drive gears. Replace whenever the gear cover (R.211875) is removed — a reused gasket rarely provides an adequate seal after the first heat cycle.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e. Also included in the Engine Gasket Set (R.296160).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.650494\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocation:\u003c\/strong\u003e Crankcase to gear cover joint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks the crankcase gasket individually and as part of the full Engine Gasket Set (R.296160).\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097317085,"sku":"R.650494","price":14.27,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-crankcase-allen-screw-m6x45","title":"18. 241823 Rotax Max Crankcase Allen Screw M6x45","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Crankcase Allen Screw M6x45\u003c\/strong\u003e (R.241823) is the OEM ISO 4762 Grade 8.8 Allen bolt used to clamp the crankcase halves together on the Rotax 125 MAX EVO engine, tightened to 10 Nm. Eight of these bolts are used per engine at the primary crankcase-to-gear-cover fastening points. This is the longest of the crankcase fasteners — always use a calibrated torque wrench and replace any bolt that shows thread damage or has been stretched through over-torquing.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.241823\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e M6 x 45mm, ISO 4762, Grade 8.8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTightening Torque:\u003c\/strong\u003e 10 Nm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Required:\u003c\/strong\u003e 8 per engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks all Rotax crankcase fasteners for a complete engine rebuild.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097349853,"sku":"R.241823","price":1.76,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-crankcase-allen-screw-m6x60","title":"19. 240373 Rotax Max Crankcase Allen Screw M6x60","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Crankcase Allen Screw M6x60\u003c\/strong\u003e (R.240373) is the OEM ISO 4762 Grade 8.8 long Allen bolt used at the two deeper crankcase fastening points on the Rotax 125 MAX EVO engine, tightened to 10 Nm. Two of these longer M6x60 bolts are used in addition to the eight standard M6x45 bolts (R.241823) at locations that require additional thread engagement depth. They are not interchangeable with the shorter bolts — using the wrong length bolt risks bottoming out in the bore or insufficient thread engagement.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.240373\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e M6 x 60mm, ISO 4762, Grade 8.8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTightening Torque:\u003c\/strong\u003e 10 Nm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Required:\u003c\/strong\u003e 2 per engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks both crankcase Allen screw lengths (M6x45 and M6x60) for a complete engine rebuild fastener set.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097382621,"sku":"R.240373","price":2.3,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-estarter-needle-bushing-8x12x8","title":"20. 232276 Rotax Max E-Starter Needle Bushing 8x12x8","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max E-Starter Needle Bushing 8x12x8\u003c\/strong\u003e (R.232276) is the OEM needle roller bushing used in the E-starter reduction gear (bendix) assembly on all Rotax 125 MAX EVO engines. This bushing supports the starter reduction gear shaft, allowing the gear to rotate freely during normal engine operation while transmitting starter torque during the crank cycle. A worn bushing causes starter reduction gear slop, noise during starting, and can ultimately result in the starter gear failing to disengage correctly after the engine fires.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e. Part of the Starter Reduction Gear Assembly (R.294812).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.232276\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 8 x 12 x 8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks the needle bushing alongside the complete starter reduction gear assembly (R.294812) and all E-starter crankcase components.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097415389,"sku":"R.232276","price":0.0,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-estarter-thrust-washer-8-5-15","title":"21. 227945 Rotax Max E-Starter Thrust Washer 8.5\/15\/0.5","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max E-Starter Thrust Washer 8.5\/15\/0.5\u003c\/strong\u003e (R.227945) is the OEM thin thrust washer that controls axial end-play of the E-starter reduction gear (bendix) in the Rotax 125 MAX EVO engine. This precision washer sits at the end of the bendix shaft, preventing excessive axial movement of the reduction gear assembly that would cause misalignment with the starter ring gear during the cranking cycle. Incorrect end-play caused by a missing or worn washer results in noisy starting and premature wear of the reduction gear teeth.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.227945\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 8.5mm inner \/ 15mm outer \/ 0.5mm thick\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks this thrust washer alongside the starter reduction gear assembly and all E-starter crankcase components.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097448157,"sku":"R.227945","price":2.39,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-starter-reduction-gear-assembly","title":"22. 294812 Rotax Max Starter Reduction Gear Assembly","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Starter Reduction Gear Assembly\u003c\/strong\u003e (R.294812) is the OEM E-starter bendix unit that meshes with the starter ring gear (R.434840) to transmit electric starter motor torque to the crankshaft during engine start on all Rotax 125 MAX EVO engines. This assembly contains the reduction gearing that steps down starter motor RPM to the correct speed for crankshaft cranking, and incorporates the one-way mechanism that allows the gear to disengage once the engine fires. A worn or damaged reduction gear causes grinding noises during starting, failure to crank, or failure to disengage after the engine starts.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e. Mounts inside the crankcase and is driven by the electric starter motor (R.294805) via the chain protection cover (R.260772).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.294812\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks the starter reduction gear assembly alongside the chain protection cover, electric starter, and all crankcase E-starter components.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097480925,"sku":"R.294812","price":178.92,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-starter-chain-protection-cover","title":"23. 260772 Rotax Max Starter Chain Protection Cover","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Starter Chain Protection Cover\u003c\/strong\u003e (R.260772) is the OEM plastic cover that shields the E-starter drive chain and reduction gear assembly on all Rotax 125 MAX EVO engines. This cover protects the starter chain from debris ingestion and prevents the chain from contacting the kart chassis or other components, while also retaining gear oil lubrication at the reduction gear. A cracked or missing chain protection cover exposes the starter chain to track debris and contamination, accelerating wear and increasing the risk of chain failure during starting.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e. Secured with three M6x30 Allen bolts (R.840888, previously listed).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.260772\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks the chain protection cover alongside the starter reduction gear and full E-starter crankcase component set.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097513693,"sku":"R.260772","price":72.63,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-water-hose-connector-fitting","title":"25. 224094 Rotax Max Water Hose Connector Fitting","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Water Hose Connector Fitting\u003c\/strong\u003e (R.224094) is the OEM straight coolant connector tube that joins the cooling water hose (R.222746) to the crankcase water port on all Rotax 125 MAX EVO engines. This fitting provides the transition from the crankcase threaded port to the rubber hose connection, sealing the cooling circuit at the engine block. A cracked or incorrectly sealed fitting causes coolant leaks at the crankcase, leading to coolant loss and overheating. Inspect at every cooling system service.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e. For the angled\/bent version used in configurations without a thermostat, see R.922620.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.224094\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Straight water hose connector fitting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks both straight (R.224094) and bent (R.922620) crankcase water connector fittings alongside the full Rotax cooling system parts.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097611997,"sku":"R.224094","price":13.01,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-cylinder-stud-m8x57","title":"26. 940787 Rotax Max Cylinder Stud M8x57","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Cylinder Stud M8x57\u003c\/strong\u003e (R.940787) is the OEM threaded stud used to anchor the cylinder to the crankcase on the Rotax 125 MAX EVO engine, tightened to 5 Nm into the crankcase. Two of these longer M8x57 studs are used alongside the shorter M8x28 studs to provide the threaded mounting points that the cylinder collar nuts (R.242707) engage to clamp the cylinder down. A stripped or snapped cylinder stud is a common rebuild issue — always use correct torque values during installation.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.940787\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e M8 x 57mm \/ 20mm engagement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTightening Torque:\u003c\/strong\u003e 5 Nm (into crankcase)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Required:\u003c\/strong\u003e 2 per engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks all three Rotax cylinder stud variants alongside the full crankcase rebuild fastener set.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097644765,"sku":"R.940787","price":8.33,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-cylinder-stud-m8x28-sealing","title":"27. 241387 Rotax Max Cylinder Stud M8x28 – With Sealing Hole","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Cylinder Stud M8x28 with Sealing Hole\u003c\/strong\u003e (R.241387) is the OEM drilled cylinder stud used at one specific crankcase location on the Rotax 125 MAX EVO engine, tightened to 5 Nm. The drilled through-hole is required at scrutineered events where the engine must be sealed — Rotax tin wire and seals are threaded through this hole to confirm the engine has not been opened between technical inspections. Using a standard stud without the hole at this location will fail scrutineering at any event where engine sealing is required.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e. One of three different stud types used on the Rotax crankcase (alongside R.940787 and R.241382).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.241387\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e M8 x 28mm \/ 20mm engagement, drilled for sealing wire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTightening Torque:\u003c\/strong\u003e 5 Nm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Required:\u003c\/strong\u003e 1 per engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks the sealing stud alongside all Rotax cylinder stud variants and crankcase fasteners.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097906909,"sku":"R.241387","price":7.66,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-cylinder-stud-m8x28","title":"28. 241382 Rotax Max Cylinder Stud M8x28","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Cylinder Stud M8x28\u003c\/strong\u003e (R.241382) is the OEM standard short cylinder stud used on the Rotax 125 MAX EVO engine crankcase, tightened to 5 Nm. This stud is identical to R.241387 in length and thread specification but does not have the sealing wire hole — it is used at all crankcase stud positions except the single specific location requiring the drilled sealing stud (R.241387). One of these standard M8x28 studs is used per engine.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.241382\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e M8 x 28mm \/ 20mm engagement, no sealing hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTightening Torque:\u003c\/strong\u003e 5 Nm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Required:\u003c\/strong\u003e 1 per engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks all Rotax crankcase cylinder stud variants — M8x57 (R.940787), M8x28 with hole (R.241387), and M8x28 standard (R.241382).\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097939677,"sku":"R.241382","price":6.35,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-crankcase-air-vent-screw-m18","title":"29. 241925 Rotax Max Crankcase Air Vent Screw M18x1.5","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Crankcase Air Vent Screw M18x1.5\u003c\/strong\u003e (R.241925) is the OEM threaded plug that seals the crankcase air vent \/ impulse port fitting on the Rotax 125 MAX EVO engine. This large-diameter M18 screw closes the crankcase port used to route impulse pressure to the E-RAVE system and Mikuni fuel pump. A missing or damaged vent screw allows uncontrolled crankcase pressure loss, which directly affects fuel pump operation and E-RAVE power valve actuation accuracy.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.241925\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e M18 x 1.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks this alongside the full Rotax 125 MAX EVO crankcase component set.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168097972445,"sku":"R.241925","price":7.02,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-impulse-joint-closure-cap","title":"30. 960770 Rotax Max Impulse Joint Closure Cap","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Impulse Joint Closure Cap\u003c\/strong\u003e (R.960770) is the OEM plug cap that seals the crankcase impulse hose fitting on the Rotax 125 MAX EVO engine when the impulse line is not connected — for example, when an E-RAVE or Mikuni fuel pump impulse line is temporarily removed or during engine storage. An open impulse port creates an unrestricted crankcase pressure leak that renders the fuel pump and E-RAVE system inoperative and causes significant lean running.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.960770\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Seals crankcase impulse joint when hose is disconnected\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks the impulse joint closure cap alongside the full Rotax crankcase and fuel system parts line.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168098005213,"sku":"R.960770","price":0.0,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-engine-gasket-set-evo","title":"31. 296160 Rotax Max Engine Gasket Set EVO MAX","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Engine Gasket Set EVO MAX\u003c\/strong\u003e (R.296160) is the complete OEM engine rebuild gasket and seal kit for the Rotax 125 MAX EVO engine. This comprehensive set contains every gasket, o-ring, and oil seal needed for a full engine rebuild — crankshaft seals, water pump shaft seals, cylinder head gaskets and o-rings, base gaskets (in multiple thicknesses for squish tuning), reed valve gasket, exhaust gaskets, gear cover gasket, piston circlip, and both bellow springs for the E-RAVE system. Having the complete gasket set in hand before starting a rebuild ensures no downtime waiting for individual seals.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/strong\u003e. Note: the E-RAVE power valve oil seal (Ch. 4, Pos. 8) is not included in this kit — order R.930500 separately if rebuilding the E-RAVE system simultaneously.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.296160\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e All gaskets, o-rings, and oil seals for a complete EVO MAX engine rebuild\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcludes:\u003c\/strong\u003e E-RAVE oil seal (R.930500) — order separately if needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO, Mini MAX EVO, Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting recommends ordering the Engine Gasket Set alongside any major crankcase or cylinder work. It is the single most important consumable kit for a complete Rotax 125 MAX EVO rebuild.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48168098037981,"sku":"R.296160","price":103.07,"currency_code":"USD","in_stock":true}]}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/collections\/CMC_Rotax_Max_Crank_Case_Parts.png?v=1779735072","url":"https:\/\/cmckarting.com\/collections\/rotax-max-crank-case-parts.oembed?page=2","provider":"CMC Karting","version":"1.0","type":"link"}