{"product_id":"namura-standard-bore-top-end-repair-kit-size-b-for-ktm-50-sx-2009-2023-39-5mm","title":"Namura Standard Bore Top End Repair Kit Size B for KTM 50 SX 2009-2023 39.5mm","description":"\u003ch2\u003eStandard Bore Top End Repair Kit Size B for Namura for KTM 50 SX\u003c\/h2\u003e\u003cp\u003eThis Standard Bore Top End Repair Kit Size B from Namura is a complete top end repair assembly for the KTM 50 SX, offering a 39.5mm bore for 2009-2023 models.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Standard Bore Top End Repair Kit Size B for Namura for KTM 50 SX delivers a direct-fit cylinder and piston set designed to restore lost compression and power. This top end repair kit includes all necessary components for a thorough engine rebuild, making it ideal for riders who need reliable performance from their KTM 50 SX dirt bike. The kit's 39.5mm bore matches the original specification exactly.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined piston from high-strength aluminum alloy\u003c\/li\u003e\n\u003cli\u003eChrome-plated cylinder bore for reduced friction and improved wear resistance\u003c\/li\u003e\n\u003cli\u003eComplete gasket set ensures a leak-free seal during installation\u003c\/li\u003e\n\u003cli\u003eWrist pin and clips included for a full top end refresh\u003c\/li\u003e\n\u003cli\u003eEach component is verified to meet original size specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor KTM 50 SX (2009-2023)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMotocross racing where consistent power delivery is critical\u003c\/li\u003e\n\u003cli\u003eTrail riding and competitive enduro events requiring engine durability\u003c\/li\u003e\n\u003cli\u003eEngine rebuilds after extended use or piston wear\u003c\/li\u003e\n\u003cli\u003ePit garage maintenance for weekend racers\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\u003e39.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSize B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKTM 50 SX (2009-2023)\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 What is included in this top end repair kit? \u003cstrong\u003eA:\u003c\/strong\u003e The kit includes a piston, rings, wrist pin, clips, and a complete gasket set for a full top end replacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How does Size B differ from other sizes? \u003cstrong\u003eA:\u003c\/strong\u003e Size B is one of the standard bore increments for this engine; each size corresponds to a specific piston diameter within the same bore range.\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":44890415169622,"sku":"SZ1F10955","price":118.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_e9b2640d-edcf-4026-bc1c-8d7d6f2c9b9c.jpg?v=1781139159","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-top-end-repair-kit-size-b-for-ktm-50-sx-2009-2023-39-5mm","provider":"Solid Spare","version":"1.0","type":"link"}