{"product_id":"namura-na-40003-2-oem-style-piston-kit-66-42-mm-11-1-compression-for-yamaha-yfs200-blaster","title":"Namura NA-40003-2 OEM-Style Piston Kit 66.42 mm, 11:1 Compression for Yamaha YFS200 Blaster","description":"Will not accept OEM rings and rings will not work on OEM piston\n\u003cp\u003eThe Namura NA-40003-2 OEM-style piston kit is designed for select Yamaha YFS200 Blaster two-stroke engines from 1988 through 1997. This replacement piston features a 66.42 mm bore size and an 11:1 compression ratio, making it suitable for engine rebuilding and restoration applications that require a dependable OEM-style piston design.\u003c\/p\u003e\u003cp\u003eThis kit fits 1988–1997 Yamaha YFS200 Blaster models. Verify the existing cylinder bore, piston clearance, compression configuration, and service specifications before installation to ensure proper fitment. The piston kit will not accept OEM piston rings, and the included rings are not compatible with an OEM piston; the piston and ring set must be installed as a matched combination.\u003c\/p\u003e\u003cp\u003eManufactured by Namura and identified by manufacturer part number NA-40003-2 and vendor part number 187-400032, this piston kit is intended for professional installation or experienced powersports service work. Follow the engine manufacturer's installation procedures for ring orientation, piston direction, cylinder preparation, lubrication, and break-in. Confirm all related components are in serviceable condition before assembly.\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-40003-2\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 187-400032\u003c\/li\u003e\n\u003cli\u003eProduct Type: OEM-style piston kit\u003c\/li\u003e\n\u003cli\u003ePiston Size: 66.42 mm\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 11:1\u003c\/li\u003e\n\u003cli\u003eFitment: 1988–1997 Yamaha YFS200 Blaster\u003c\/li\u003e\n\u003cli\u003eCompatibility: Will not accept OEM piston rings, and the included rings will not work with an OEM piston\u003c\/li\u003e\n\u003cli\u003eApplication: Replacement piston assembly for Yamaha YFS200 Blaster engine rebuilding and repair\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n1988 Yamaha YFS200 Blaster\u003cbr\u003e\n1989 Yamaha YFS200 Blaster\u003cbr\u003e\n1990 Yamaha YFS200 Blaster\u003cbr\u003e\n1991 Yamaha YFS200 Blaster\u003cbr\u003e\n1992 Yamaha YFS200 Blaster\u003cbr\u003e\n1993 Yamaha YFS200 Blaster\u003cbr\u003e\n1994 Yamaha YFS200 Blaster\u003cbr\u003e\n1995 Yamaha YFS200 Blaster\u003cbr\u003e\n1996 Yamaha YFS200 Blaster\u003cbr\u003e\n1997 Yamaha YFS200 Blaster\u003cbr\u003e\n1998 Yamaha YFS200 Blaster\u003cbr\u003e\n1999 Yamaha YFS200 Blaster\u003cbr\u003e\n2000 Yamaha YFS200 Blaster\u003cbr\u003e\n2001 Yamaha YFS200 Blaster\u003cbr\u003e\n2002 Yamaha YFS200 Blaster\u003cbr\u003e\n2003 Yamaha YFS200 Blaster\u003cbr\u003e\n2004 Yamaha YFS200 Blaster\u003cbr\u003e\n2005 Yamaha YFS200 Blaster\u003cbr\u003e\n2006 Yamaha YFS200 Blaster","brand":"NAMURA","offers":[{"title":"Default Title","offer_id":67557980799211,"sku":"187-400032","price":71.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/d172-5e99deb21f090_074dc7b9-a39b-4c98-88fa-71cb3cb40e0d.jpg?v=1790756026","url":"https:\/\/ctracingservices.com\/products\/namura-na-40003-2-oem-style-piston-kit-66-42-mm-11-1-compression-for-yamaha-yfs200-blaster","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}