{"product_id":"namura-standard-bore-top-end-kit-size-b-for-ktm-125-sx-125-exc-2002-2006-54mm","title":"Namura Standard Bore Top End Kit Size B for KTM 125 SX \u0026 125 EXC 2002-2006 54mm","description":"\u003ch2\u003eStandard Bore Top End Kit for Namura - Size B 54mm\u003c\/h2\u003e\u003cp\u003eThis standard bore top end kit for Namura replaces the piston, rings, pin, and gaskets to restore compression and performance in compatible KTM 125cc engines. It is designed for riders rebuilding a KTM 125 SX or 125 EXC from 2002 through 2006.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe standard bore top end kit for Namura delivers a complete cylinder rebuild solution with a precision-machined piston and premium rings. This standard bore top end kit is ideal for restoring top-end power in 2002-2006 KTM 125 SX and 125 EXC motorcycles. Rely on this standard bore top end kit for a direct-fit replacement that brings back factory-like performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined 54mm piston for accurate fit\u003c\/li\u003e\n\u003cli\u003eHigh-strength ring set for consistent compression\u003c\/li\u003e\n\u003cli\u003eHeat-treated wrist pin for reduced wear\u003c\/li\u003e\n\u003cli\u003eComplete gasket set for a leak-free seal\u003c\/li\u003e\n\u003cli\u003eEngineered for high-rpm two-stroke engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor KTM 125 SX (2002-2006)\u003c\/li\u003e\n\u003cli\u003efor KTM 125 EXC (2002-2006)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMotocross racing\u003c\/li\u003e\n\u003cli\u003eEnduro and trail riding\u003c\/li\u003e\n\u003cli\u003eOff-road competition\u003c\/li\u003e\n\u003cli\u003eRecreational dirt biking\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e54mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard bore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit include a wrist pin bearing? \u003cstrong\u003eA:\u003c\/strong\u003e The kit includes the piston, rings, wrist pin, and circlips but not the wrist pin bearing. Purchase the bearing separately if needed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this kit be used with a stock cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the standard bore size B is designed for use with a stock cylinder that has not been overbored. Always measure your cylinder before ordering.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44949745500246,"sku":"SZ1F13884","price":186.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_a1dc812a-546e-4860-a9c8-982c83a2ca4d.jpg?v=1781397783","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-top-end-kit-size-b-for-ktm-125-sx-125-exc-2002-2006-54mm","provider":"Solid Spare","version":"1.0","type":"link"}