{"product_id":"rotax-125-max-ring-gear-hex-nut-m20","title":"(2) 842319 Rotax 125 MAX EVO Ring Gear Hex Nut M20x1.5","description":"\u003cp\u003eThe \u003cstrong\u003eRotax 125 MAX EVO Ring Gear Hex Nut M20x1.5\u003c\/strong\u003e (R.842319) is the OEM lock nut that secures the Starter Ring Gear (R.434840) to the crankshaft on all Rotax 125 MAX EVO engines. This M20x1.5 fine-thread hex nut is tightened to 110 Nm (+\/- 5%) as specified in the Rotax service manual and must be replaced any time the clutch assembly is disassembled — it is a torque-critical fastener and should not be reused if worn or damaged.\u003c\/p\u003e\n\u003cp\u003eCompatible with all Rotax 125 MAX EVO variants: \u003cstrong\u003eSenior MAX EVO, Junior MAX EVO, Mini MAX EVO, and Micro MAX EVO\u003c\/strong\u003e.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\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 a calibrated torque wrench when installing this nut — under-torque risks the gear working loose, over-torque can damage the crankshaft threads. CMC Karting carries this and all Rotax 125 MAX EVO clutch fasteners.\u003c\/p\u003e","brand":"KSG\/Karting Solutions Group","offers":[{"title":"Default Title","offer_id":47938853732573,"sku":"R.842319","price":23.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6770\/0189\/files\/CMC_Rotax_2_Clutch_Group.png?v=1779728356","url":"https:\/\/cmckarting.com\/products\/rotax-125-max-ring-gear-hex-nut-m20","provider":"CMC Karting","version":"1.0","type":"link"}