{"product_id":"namura-standard-bore-piston-kit-size-a-39-46mm-for-ktm-50-sx-2009-2023-39-5mm","title":"Namura Standard Bore Piston Kit Size A (39.46mm) for KTM 50 SX 2009-2023 39.5mm","description":"\u003ch2\u003eStandard Bore Piston Kit 39.46mm for KTM\u003c\/h2\u003e\u003cp\u003eThis Namura standard bore piston kit size A (39.46mm) is designed for KTM 50 SX models from 2009 to 2023.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Namura standard bore piston kit for KTM 50 SX provides a direct replacement piston for the 2009‑2023 50 SX, featuring a 39.46mm bore size (size A) for reliable two‑stroke performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCast from high‑silicon aluminum for durability\u003c\/li\u003e\n\u003cli\u003ePrecision‑machined to 39.46mm diameter (size A)\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings and wrist pin\u003c\/li\u003e\n\u003cli\u003eDesigned to match OEM KTM specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor KTM 50 SX 2009\u003c\/li\u003e\n\u003cli\u003efor KTM 50 SX 2010\u003c\/li\u003e\n\u003cli\u003efor KTM 50 SX 2011\u003c\/li\u003e\n\u003cli\u003efor KTM 50 SX 2012\u003c\/li\u003e\n\u003cli\u003efor KTM 50 SX 2013\u003c\/li\u003e\n\u003cli\u003efor KTM 50 SX 2014\u003c\/li\u003e\n\u003cli\u003efor KTM 50 SX 2015\u003c\/li\u003e\n\u003cli\u003efor KTM 50 SX 2016\u003c\/li\u003e\n\u003cli\u003efor KTM 50 SX 2017\u003c\/li\u003e\n\u003cli\u003efor KTM 50 SX 2018\u003c\/li\u003e\n\u003cli\u003efor KTM 50 SX 2019\u003c\/li\u003e\n\u003cli\u003efor KTM 50 SX 2020\u003c\/li\u003e\n\u003cli\u003efor KTM 50 SX 2021\u003c\/li\u003e\n\u003cli\u003efor KTM 50 SX 2022\u003c\/li\u003e\n\u003cli\u003efor KTM 50 SX 2023\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop‑end rebuild for KTM 50 SX mini dirt bikes\u003c\/li\u003e\n\u003cli\u003eMotocross racing and trail riding for youth riders\u003c\/li\u003e\n\u003cli\u003eMaintaining compression and power for competitive use\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\u003e39.46mm (Size A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Bore Piston Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, rings, wrist pin\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 piston clip? \u003cstrong\u003eA:\u003c\/strong\u003e The kit includes the piston, rings, and wrist pin, but circlips may need to be reused from the old piston or purchased separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is the difference between Size A and B? \u003cstrong\u003eA:\u003c\/strong\u003e Size A is the standard bore diameter; Size B is slightly larger for reboring cylinders that have minor wear.\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":44888427364438,"sku":"SZ1F09156","price":83.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_ec24daad-1082-46a5-9a3f-ef6e0331bb89.jpg?v=1781093829","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-piston-kit-size-a-39-46mm-for-ktm-50-sx-2009-2023-39-5mm","provider":"Solid Spare","version":"1.0","type":"link"}