{"product_id":"namura-size-a-55-94mm-piston-kit-for-ktm-150-sx-xc-144-sx-standard-bore-56mm","title":"Namura Size A (55.94mm) Piston Kit for KTM 150 SX \u0026 XC 144 SX Standard Bore 56mm","description":"\u003ch2\u003eNamura Size A (55.94mm) Piston Kit for KTM 150 SX \u0026amp; XC 144 SX\u003c\/h2\u003e\u003cp\u003eThis Namura Size A piston kit with a 55.94mm diameter is designed for KTM 150 SX and XC models as well as the 144 SX, providing a high-performance replacement for standard bore 56mm cylinders to restore compression and power.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura Size A piston kit is a direct replacement for KTM 150 SX, 150 XC, and 144 SX dirt bikes, featuring a 55.94mm piston for use with a standard 56mm bore. This piston kit restores engine compression and performance after a top-end rebuild. Ideal for motocross and off-road enthusiasts, this Namura piston kit offers reliable power and durability.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined from high-strength aluminum alloy\u003c\/li\u003e\n\u003cli\u003eIncludes piston, rings, wrist pin, and circlips for a complete top-end kit\u003c\/li\u003e\n\u003cli\u003eDesigned to match KTM's 56mm standard bore specifications\u003c\/li\u003e\n\u003cli\u003eProvides consistent compression and reduced friction for improved throttle response\u003c\/li\u003e\n\u003cli\u003eTested for durability under high-RPM racing conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor KTM 150 SX\u003c\/li\u003e\n\u003cli\u003efor KTM 150 XC\u003c\/li\u003e\n\u003cli\u003efor KTM 144 SX\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end engine rebuilds for motocross bikes\u003c\/li\u003e\n\u003cli\u003eTrail riding and competitive off-road racing\u003c\/li\u003e\n\u003cli\u003eReplacing worn pistons to restore engine performance\u003c\/li\u003e\n\u003cli\u003eSeasonal maintenance for KTM two-stroke engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55.94mm (Size A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard Bore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e56mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKTM 150 SX, 150 XC, 144 SX\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 piston kit include everything needed for installation? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit includes the piston, rings, wrist pin, and circlips, but you may need to reuse or replace the cylinder base gasket and head gasket separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this piston be used with a stock KTM cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e This Namura Size A piston is designed for use with a standard 56mm bore cylinder; if the cylinder has been bored oversize, a different size piston may be required.\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":44890461208662,"sku":"SZ1F11259","price":125.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_6f515711-6358-484f-97da-a22f3e0f4e0a.jpg?v=1781139838","url":"https:\/\/www.solidspare.com\/products\/namura-size-a-55-94mm-piston-kit-for-ktm-150-sx-xc-144-sx-standard-bore-56mm","provider":"Solid Spare","version":"1.0","type":"link"}