{"product_id":"namura-040-over-bore-hi-compression-piston-kit-for-yamaha-blaster-200-67mm","title":"Namura .040 Over Bore Hi Compression Piston Kit for Yamaha Blaster 200 67mm","description":"\u003ch2\u003eNamura .040 Over Bore Hi Compression Piston Kit for Yamaha Blaster 200\u003c\/h2\u003e\u003cp\u003eThis aftermarket .040 over bore hi compression piston kit from Namura is designed for the Yamaha Blaster 200 ATV, increasing displacement to 67mm for added power. It serves as a direct replacement for the stock piston and is ideal for rebuilds or performance upgrades.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .040 over bore hi compression piston kit for Yamaha Blaster 200 delivers a 67mm bore size that raises compression and boosts horsepower. This piston kit is intended for owners looking to rebuild or enhance their Blaster 200 engine. With a .040 overbore (1mm oversize), it offers a cost-effective way to refresh your top end while gaining extra low-end torque and throttle response.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCast aluminum alloy construction for strength and heat dissipation\u003c\/li\u003e\n\u003cli\u003eHigh-compression dome design increases cylinder pressure\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to .040 inch over stock bore (67mm)\u003c\/li\u003e\n\u003cli\u003eIncludes piston, rings, wrist pin, and circlips for a complete kit\u003c\/li\u003e\n\u003cli\u003eCompatible with standard Yamaha Blaster 200 connecting rod and cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha Blaster 200 (YFS200)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePerformance trail riding and desert riding\u003c\/li\u003e\n\u003cli\u003eDune riding and recreational ATV racing\u003c\/li\u003e\n\u003cli\u003eEngine rebuilds and top-end overhauls\u003c\/li\u003e\n\u003cli\u003eImproving low-end power for climbing or heavy loads\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 Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e67mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverbore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.040 inch (1mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompression\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHi Compression (increased over stock)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha Blaster 200 (YFS200)\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 Will this piston kit require cylinder boring? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, because it is a .040 over-sized piston, your cylinder must be bored and honed to match the 67mm diameter by a qualified machine shop.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to rejet my carburetor after installing a hi-compression piston? \u003cstrong\u003eA:\u003c\/strong\u003e Typically yes, the increased compression changes the fuel-air mixture demand; rejetting is recommended to prevent lean conditions and maximize performance gains.\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":44890493550678,"sku":"SZ1F11928","price":138.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_41294a35-2a98-49d6-9233-0bb5b87d1d87.jpg?v=1781140706","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-hi-compression-piston-kit-for-yamaha-blaster-200-67mm","provider":"Solid Spare","version":"1.0","type":"link"}