{"title":"Rotax Max Radiators \u0026 Parts","description":"","products":[{"product_id":"rotax-max-radiator-assembly-senior-junior","title":"1. 295928 Rotax Max Radiator Assembly with Cap – Senior \u0026 Junior","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Radiator Assembly with Cap\u003c\/strong\u003e (R.295928) is the complete OEM liquid cooling radiator for the Rotax 125 Senior MAX EVO and Junior MAX EVO engines. This aluminum core radiator comes pre-fitted with the 1.0 BAR radiator cap (R.222750) and includes the radiator flap adjuster bracket mounting points. The Rotax cooling system is a critical engine protection system — maintaining correct coolant temperature is essential for consistent power output and engine longevity. The radiator is mounted to the chassis via the radiator bracket (R.651690) and connected to the engine with two cooling water hoses (R.222746) secured with Clamp 16-25 (R.951870).\u003c\/p\u003e\n\u003cp\u003eFits: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO\u003c\/strong\u003e. For the Micro MAX EVO radiator, see R.295923.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.295928\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Radiator with pre-fitted 1.0 BAR cap (R.222750)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks the complete Rotax cooling system — radiator, cap, hoses, clamps, bracket, and flap for a full cooling system build or replacement.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629068509,"sku":"R.295928","price":427.49,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-radiator-cap-1-0-bar","title":"2. 222750 Rotax Max Radiator Cap with Gasket 1.0 BAR","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Radiator Cap with Gasket 1.0 BAR\u003c\/strong\u003e (R.222750) is the OEM pressure cap for the Rotax 125 MAX EVO cooling system. The 1.0 BAR cap maintains the correct system pressure that raises the coolant boiling point and ensures efficient heat transfer through the radiator. A faulty radiator cap — one that fails to hold pressure or releases too early — causes coolant loss, overheating, and potential engine damage. Replace the cap at any sign of seal deterioration, cap corrosion, or if the engine is running hotter than normal.\u003c\/p\u003e\n\u003cp\u003eCompatible with both Rotax radiator assemblies: \u003cstrong\u003eR.295928 (Senior\/Junior) and R.295923 (Micro)\u003c\/strong\u003e. Fits all Rotax 125 MAX EVO variants.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.222750\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Rating:\u003c\/strong\u003e 1.0 BAR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Cap with gasket\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\u003eThe radiator cap is one of the cheapest and most overlooked cooling system parts. CMC Karting stocks it alongside the full Rotax MAX EVO cooling system parts line.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629101277,"sku":"R.222750","price":44.07,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-radiator-flap-junior-senior","title":"3. 201220 Rotax Max Radiator Flap – Junior \u0026 Senior MAX","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Radiator Temperature Adjuster Flap\u003c\/strong\u003e (R.201220) is the OEM clear plastic flap mounted to the front face of the radiator on Rotax 125 Senior MAX EVO and Junior MAX EVO engines. This flap restricts airflow through the radiator core, allowing the mechanic to regulate coolant temperature during a session. By partially or fully covering the radiator face, the flap raises coolant temperature on cold or wet days — keeping the engine in its optimal thermal operating range. Running too cold is as harmful as overheating on a high-performance two-stroke engine.\u003c\/p\u003e\n\u003cp\u003eFits: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO\u003c\/strong\u003e. For the Micro MAX EVO flap, see R.201222. Mounted to the radiator via two M6x16 Allen bolts (R.440751), Washer 6.4 (R.244211), and Lock Nut M6 (R.842041).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.201220\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks both radiator flap sizes — Senior\/Junior (R.201220) and Micro MAX (R.201222) — alongside the full Rotax cooling system parts line.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629134045,"sku":"R.201220","price":50.25,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-allen-screw-m6x16-radiator-flap","title":"4. 440751 Rotax Max Allen Screw M6x16 – Radiator Flap Mount","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Allen Screw M6x16 with Rounded Flange Head\u003c\/strong\u003e (R.440751) is the OEM low-profile flange bolt used to secure the radiator temperature adjuster flap to the radiator on all Rotax 125 MAX EVO engines. Two of these bolts are used per radiator flap installation. The rounded flange head provides a snag-free, low-profile fastening point appropriate for an externally mounted component. This same bolt also appears at the radiator bracket mounting points on the Micro MAX EVO radiator (R.295923).\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO radiator flap assemblies.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.440751\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e M6 x 16mm, Allen Screw with Rounded Flange Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Required:\u003c\/strong\u003e 2 per radiator flap\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 radiator flap and complete cooling system hardware for the Rotax 125 MAX EVO.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629166813,"sku":"R.440751","price":2.3,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-radiator-rubber-grommet","title":"7. 660440 Rotax Max Radiator Rubber Grommet","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Radiator Rubber Grommet\u003c\/strong\u003e (R.660440) is the OEM vibration isolation grommet used at the radiator mounting points on all Rotax 125 MAX EVO engines. Two grommets are used per radiator installation, fitting between the radiator mounting tabs and the bracket hardware to isolate the radiator core from direct metal-to-metal contact with the chassis bracket. These grommets prevent stress cracking of the radiator at the mount points caused by chassis flex and engine vibration — a common cause of radiator leaks on karts without correctly fitted grommets.\u003c\/p\u003e\n\u003cp\u003eCompatible with both Rotax radiator assemblies — Senior\/Junior (R.295928) and Micro MAX (R.295923).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.660440\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Required:\u003c\/strong\u003e 2 per radiator\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 these grommets alongside the complete Rotax radiator mounting hardware set.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629199581,"sku":"R.660440","price":4.41,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-radiator-bracket-senior-junior","title":"8. 651690 Rotax Max Radiator Bracket – Senior \u0026 Junior MAX","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Radiator Bracket\u003c\/strong\u003e (R.651690) is the OEM mounting bracket that secures the radiator assembly to the kart chassis on Rotax 125 Senior MAX EVO and Junior MAX EVO engines. This bracket positions the radiator at the correct height and angle relative to the engine and provides the structural anchor points for the rubber grommets (R.660440) and mounting hardware. A bent or cracked radiator bracket allows the radiator to move under racing conditions, stressing the coolant hoses and potentially cracking the radiator at the mount tabs.\u003c\/p\u003e\n\u003cp\u003eFits: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO\u003c\/strong\u003e. For the Micro MAX EVO radiator bracket, see R.651695. Secured to the chassis with the M6x20 Allen bolt (R.440761), Washer 6.2 (R.827307), and Lock Washer A8 (R.945832).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.651690\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks both radiator bracket variants and the full cooling system mounting hardware for the Rotax 125 MAX EVO.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629265117,"sku":"R.651690","price":41.61,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-radiator-bracket-washer-6-2","title":"9. 827307 Rotax Max Radiator Bracket Washer 6.2\/18\/0.5","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Radiator Bracket Washer 6.2\/18\/0.5\u003c\/strong\u003e (R.827307) is the OEM large-face washer used at the radiator bracket mounting bolt on all Rotax 125 MAX EVO engines. The large 18mm outer diameter of this washer distributes the M6x20 bolt clamping load over a wider area of the bracket face, preventing the bolt head from pulling through or distorting the bracket at the mount point. One washer is used per bracket installation.\u003c\/p\u003e\n\u003cp\u003eCompatible with both Senior\/Junior (R.651690) and Micro MAX (R.651695) radiator bracket assemblies.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.827307\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6.2mm inner \/ 18mm 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 alongside the radiator bracket and all Rotax cooling system mounting hardware.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629297885,"sku":"R.827307","price":2.34,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-cooling-hose-clamp-16-25","title":"11. 951870 Rotax Max Cooling System Hose Clamp 16-25","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Cooling System Hose Clamp 16-25\u003c\/strong\u003e (R.951870) is the OEM worm-drive hose clamp used to secure the cooling water hoses (R.222746) at the radiator and engine connections on all Rotax 125 MAX EVO engines. Four clamps are used per engine cooling system — two per hose at each end. Correctly torqued clamps are critical for a leak-free cooling system; a loose clamp allows coolant loss that leads to overheating and potential engine seizure.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants using 18mm cooling hose.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.951870\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamp Range:\u003c\/strong\u003e 16–25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Required:\u003c\/strong\u003e 4 per cooling system (2 per hose)\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 replace hose clamps when fitting new cooling hoses. CMC Karting stocks these alongside the full Rotax 125 MAX EVO cooling system parts.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629330653,"sku":"R.951870","price":5.94,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-cooling-water-hose-nw18","title":"12. 222746 Rotax Max Cooling Water Hose NW18","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Cooling Water Hose NW18\u003c\/strong\u003e (R.222746) is the OEM silicone cooling hose used to connect the radiator to the engine on all Rotax 125 MAX EVO engines. Two of these hoses are used per engine — one for the inlet and one for the outlet coolant circuit. These hoses are pre-formed to the correct angle and length for the Rotax MAX EVO cooling system layout. A cracked, perished, or poorly clamped cooling hose is a common cause of coolant loss and overheating — inspect at every service and replace at the first sign of deterioration.\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 Clamp 16-25 (R.951870) at each end.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.222746\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e NW18 (18mm nominal width)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Required:\u003c\/strong\u003e 2 per cooling system (sold individually)\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 cooling water hose alongside clamps and the full Rotax 125 MAX EVO cooling system parts for a complete hose replacement.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629363421,"sku":"R.222746","price":16.77,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-micro-max-radiator-assembly","title":"13. 295923 Rotax Micro MAX Radiator Assembly with Cap","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Micro MAX Radiator Assembly with Cap\u003c\/strong\u003e (R.295923) is the complete OEM liquid cooling radiator for the Rotax 125 Micro MAX EVO engine. Smaller in core size than the Senior\/Junior radiator (R.295928), this unit is specifically designed for the reduced cooling demands of the Micro MAX engine configuration. Like the larger unit, it comes pre-fitted with the 1.0 BAR radiator cap (R.222750) and includes radiator flap bracket mounting points.\u003c\/p\u003e\n\u003cp\u003eFits: \u003cstrong\u003eRotax 125 Micro MAX EVO\u003c\/strong\u003e only. For the Senior MAX \/ Junior MAX radiator, see R.295928. Mounted via the Micro MAX radiator bracket (R.651695) and connected with two cooling water hoses (R.222746) secured with Clamp 16-25 (R.951870).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.295923\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Radiator with pre-fitted 1.0 BAR cap (R.222750)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks the complete Rotax Micro MAX EVO cooling system — radiator, cap, hoses, clamps, bracket, and flap.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629396189,"sku":"R.295923","price":233.97,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-micro-max-radiator-flap","title":"14. 201222 Rotax Micro MAX Radiator Temperature Flap","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Micro MAX Radiator Temperature Flap\u003c\/strong\u003e (R.201222) is the OEM plastic temperature adjuster flap for the Rotax 125 Micro MAX EVO radiator. Sized specifically for the Micro MAX radiator (R.295923), this flap mounts to the front face of the radiator and allows the mechanic to restrict airflow to raise coolant temperature on cold track days. Maintaining correct operating temperature is critical for consistent Micro MAX engine performance and longevity.\u003c\/p\u003e\n\u003cp\u003eFits: \u003cstrong\u003eRotax 125 Micro MAX EVO\u003c\/strong\u003e only. For the Senior\/Junior MAX flap, see R.201220.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.201222\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks both Rotax radiator flap sizes — Micro MAX (R.201222) and Senior\/Junior MAX (R.201220).\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629428957,"sku":"R.201222","price":43.88,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-micro-max-radiator-bracket-bolt-m8x75","title":"20. 841832 Rotax Micro MAX Radiator Bracket Bolt M8x75","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Micro MAX Radiator Bracket Bolt M8x75\u003c\/strong\u003e (R.841832) is the OEM ISO 4762 Grade 8.8 Allen bolt used to secure the Micro MAX radiator bracket (R.651695) to the kart chassis on Rotax 125 Micro MAX EVO engines, tightened to 24 Nm. This longer M8x75 bolt passes through the chassis rail to anchor the radiator bracket firmly in position. A loose or damaged bracket bolt allows the radiator assembly to shift during racing, stressing the coolant hoses and bracket mounting points.\u003c\/p\u003e\n\u003cp\u003eFits: \u003cstrong\u003eRotax 125 Micro MAX EVO\u003c\/strong\u003e radiator bracket (R.651695) only. The Senior\/Junior MAX radiator uses a different mounting configuration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.841832\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e M8 x 75mm, ISO 4762, Grade 8.8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTightening Torque:\u003c\/strong\u003e 24 Nm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks this bolt alongside the Micro MAX radiator bracket and complete cooling system mounting hardware.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629461725,"sku":"R.841832","price":1.76,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-micro-max-radiator-bracket","title":"20. 651695 Rotax Micro MAX Radiator Bracket","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Micro MAX Radiator Bracket\u003c\/strong\u003e (R.651695) is the OEM mounting bracket that secures the Micro MAX radiator assembly (R.295923) to the kart chassis on Rotax 125 Micro MAX EVO engines. Smaller and configured differently from the Senior\/Junior bracket (R.651690), this bracket positions the Micro MAX radiator at the correct mounting height relative to the engine and provides the anchor points for the rubber grommets (R.660440). Secured to the chassis with the M8x75 Allen bolt (R.841832) and Lock Washer A8 (R.945832).\u003c\/p\u003e\n\u003cp\u003eFits: \u003cstrong\u003eRotax 125 Micro MAX EVO\u003c\/strong\u003e only. For the Senior\/Junior MAX bracket, see R.651690.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.651695\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks both Rotax radiator bracket variants alongside the full cooling system mounting hardware.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629527261,"sku":"R.651695","price":34.99,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-radiator-bracket-lock-washer-a8","title":"21. 945832 Rotax Max Radiator Bracket Lock Washer A8","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Radiator Bracket Lock Washer DIN 128-A8\u003c\/strong\u003e (R.945832) is the OEM spring lock washer used at the radiator bracket mounting on all Rotax 125 MAX EVO engines. This DIN 128 curved spring washer prevents the radiator bracket mounting bolt from vibrating loose under racing conditions — an important function given that a loose radiator bracket puts stress on coolant hoses and can lead to hose failure. One washer is used per bracket mount.\u003c\/p\u003e\n\u003cp\u003eCompatible with both Senior\/Junior (R.651690) and Micro MAX (R.651695) radiator bracket assemblies.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.945832\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e DIN 128, Size A8\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 full Rotax radiator bracket mounting hardware set.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629592797,"sku":"R.945832","price":0.32,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-radiator-sticker-mini-micro-max-evo","title":"22. 582920 Rotax Radiator Sticker – Mini \u0026 Micro MAX EVO","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Radiator Sticker Mini \u0026amp; Micro MAX EVO\u003c\/strong\u003e (R.582920) is the OEM factory radiator decal for the Rotax 125 Mini MAX EVO and Micro MAX EVO engines. This sticker is the correct class-specific radiator identification graphic required for technical compliance at Rotax Challenge series events. The EVO radiator sticker identifies the engine class and model year specification and is a sealed component in scrutineered engine configurations — a missing or incorrect sticker can flag an engine for further technical inspection.\u003c\/p\u003e\n\u003cp\u003eFits: \u003cstrong\u003eRotax 125 Mini MAX EVO and Micro MAX EVO\u003c\/strong\u003e. For the Senior\/Junior MAX EVO sticker, see R.582922.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.582920\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Mini MAX EVO and Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks both EVO radiator sticker variants — Mini\/Micro (R.582920) and Senior\/Junior (R.582922).\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629625565,"sku":"R.582920","price":22.38,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-radiator-sticker-125-max-evo-senior-junior","title":"23. 582922 Rotax Radiator Sticker – 125 MAX EVO Senior \u0026 Junior","description":"\u003cp\u003eThe \u003cstrong\u003eRotax 125 MAX EVO Radiator Sticker\u003c\/strong\u003e (R.582922) is the OEM factory radiator decal for the Rotax 125 Senior MAX EVO and Junior MAX EVO engines. This sticker is the correct class-specific radiator identification graphic required for technical compliance at Rotax Challenge series events. A missing or incorrect EVO radiator sticker can trigger a technical inspection flag — always ensure the correct sticker is fitted to the correct class engine.\u003c\/p\u003e\n\u003cp\u003eFits: \u003cstrong\u003eRotax 125 Senior MAX EVO, Junior MAX EVO\u003c\/strong\u003e. For the Mini\/Micro MAX EVO sticker, see R.582920.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.582922\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Senior MAX EVO, Junior MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks both EVO radiator sticker variants — Senior\/Junior (R.582922) and Mini\/Micro (R.582920).\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629658333,"sku":"R.582922","price":27.99,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-radiator-distance-sleeve","title":"3. 229810 Rotax Max Radiator Distance Sleeve","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Radiator Distance Sleeve\u003c\/strong\u003e (R.229810) is the OEM spacer sleeve used at the radiator mounting points on Rotax 125 MAX EVO engines. This sleeve fits between the radiator mounting tab and the rubber grommet (R.660440), setting the correct stand-off distance between the radiator and the bracket to ensure the grommets are properly compressed for effective vibration isolation. Missing or incorrect spacer sleeves cause the grommets to seat incorrectly, reducing their vibration-damping effectiveness and potentially allowing the radiator to contact the bracket directly.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO radiator assemblies.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.229810\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 rubber grommets and full Rotax radiator mounting hardware.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629691101,"sku":"R.229810","price":3.92,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-max-water-hose-70mm","title":"3. 922256 Rotax Max Water Hose 70mm","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Max Water Hose 70mm\u003c\/strong\u003e (R.922256) is the OEM short coolant hose used at the engine block water port connection on Rotax 125 MAX EVO engines. At 70mm in length, this shorter hose is used at the engine-side connection point where a shorter run is required — typically at the cylinder head or water pump outlet — complementing the longer cooling water hoses (R.222746) that run between the engine and radiator. Replace any time the hose shows cracking, swelling, or coolant weeping at the connection points.\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 Clamp 16-25 (R.951870).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.922256\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 70mm, DIN 73411, 17mm bore\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 Rotax coolant hose lengths alongside clamps and the full cooling system parts line.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629723869,"sku":"R.922256","price":11.44,"currency_code":"USD","in_stock":true}]},{"product_id":"rotax-micro-max-radiator-support-bracket","title":"5. 224660 Rotax Micro MAX Radiator Support Bracket","description":"\u003cp\u003eThe \u003cstrong\u003eRotax Micro MAX Radiator Support Bracket\u003c\/strong\u003e (R.224660) is the OEM secondary support bracket used in the Micro MAX EVO radiator mounting system. This bracket provides additional support for the Micro MAX radiator assembly, working alongside the primary radiator bracket (R.651695) to ensure the radiator is firmly positioned and correctly oriented relative to the chassis and engine. A missing or damaged support bracket places excessive stress on the primary bracket and radiator mounting tabs.\u003c\/p\u003e\n\u003cp\u003eFits: \u003cstrong\u003eRotax 125 Micro MAX EVO\u003c\/strong\u003e radiator assembly only.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e R.224660\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Rotax 125 Micro MAX EVO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCMC Karting stocks this alongside the Micro MAX radiator bracket and full cooling system mounting hardware.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":48139629756637,"sku":"R.224660","price":16.98,"currency_code":"USD","in_stock":true}]}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/collections\/CMC_ROTAX_MAX_RADIATOR_ACCESSORIES.png?v=1779734418","url":"https:\/\/cmckarting.com\/collections\/rotax-max-radiators-parts.oembed?page=2","provider":"CMC Karting","version":"1.0","type":"link"}