{"product_id":"namura-na-40000-high-compression-piston-kit-for-yamaha-yfz350-banshee-63-94-mm-standard-bore-11-1","title":"Namura NA-40000 High-Compression Piston Kit for Yamaha YFZ350 Banshee, 63.94 mm Standard Bore, 11:1","description":"Will not accept OEM rings and rings will not work on OEM piston\n\u003cp\u003eThe Namura NA-40000 High-Compression Piston Kit is designed for select Yamaha YFZ350 Banshee twin-cylinder applications from 1987 through 1996. This standard-bore piston kit features a 63.94 mm piston diameter and an 11:1 compression ratio, providing a dependable replacement option for engine rebuilding and performance-oriented maintenance.\u003c\/p\u003e\u003cp\u003eEngineered for compatibility with the listed Yamaha Banshee fitment, this Namura piston kit is intended for use in twin-cylinder engines when replacing worn or damaged internal components. Confirm cylinder condition, bore specifications, piston-to-cylinder clearance, and installation requirements before assembly to ensure proper fit and reliable operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant compatibility note:\u003c\/strong\u003e The Namura NA-40000 will not accept OEM piston rings, and its rings will not work with an OEM piston. Use the piston and ring components supplied or specified for this kit rather than mixing them with original-equipment piston components. Manufacturer part number NA-40000 and vendor part number NA-40000 identify this application-specific replacement kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 1987–1996 Yamaha YFZ350 Banshee.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Namura\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: NA-40000\u003c\/li\u003e\n\u003cli\u003eVendor part number: NA-40000\u003c\/li\u003e\n\u003cli\u003eApplication: Yamaha YFZ350 Banshee twin-cylinder engine\u003c\/li\u003e\n\u003cli\u003eFitment: 1987–1996 Yamaha YFZ350 Banshee\u003c\/li\u003e\n\u003cli\u003ePiston size: 63.94 mm standard bore\u003c\/li\u003e\n\u003cli\u003eCompression ratio: 11:1\u003c\/li\u003e\n\u003cli\u003eCompatibility: Will not accept OEM piston rings, and supplied rings will not work with an OEM piston\u003c\/li\u003e\n\u003cli\u003eUse: Replacement piston kit for engine rebuilding and maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n1987 Yamaha YFZ350 Banshee\u003cbr\u003e\n1988 Yamaha YFZ350 Banshee\u003cbr\u003e\n1989 Yamaha YFZ350 Banshee\u003cbr\u003e\n1990 Yamaha YFZ350 Banshee\u003cbr\u003e\n1991 Yamaha YFZ350 Banshee\u003cbr\u003e\n1992 Yamaha YFZ350 Banshee\u003cbr\u003e\n1993 Yamaha YFZ350 Banshee\u003cbr\u003e\n1994 Yamaha YFZ350 Banshee\u003cbr\u003e\n1995 Yamaha YFZ350 Banshee\u003cbr\u003e\n1996 Yamaha YFZ350 Banshee\u003cbr\u003e\n1997 Yamaha YFZ350 Banshee\u003cbr\u003e\n1998 Yamaha YFZ350 Banshee\u003cbr\u003e\n1999 Yamaha YFZ350 Banshee\u003cbr\u003e\n2000 Yamaha YFZ350 Banshee\u003cbr\u003e\n2001 Yamaha YFZ350 Banshee\u003cbr\u003e\n2002 Yamaha YFZ350 Banshee\u003cbr\u003e\n2003 Yamaha YFZ350 Banshee\u003cbr\u003e\n2004 Yamaha YFZ350 Banshee\u003cbr\u003e\n2005 Yamaha YFZ350 Banshee\u003cbr\u003e\n2006 Yamaha YFZ350 Banshee","brand":"NAMURA","offers":[{"title":"Default Title","offer_id":67558016778475,"sku":"187-40000","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/f069-5e94d88696840.gif?v=1790756197","url":"https:\/\/ctracingservices.com\/products\/namura-na-40000-high-compression-piston-kit-for-yamaha-yfz350-banshee-63-94-mm-standard-bore-11-1","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}