{"product_id":"wiseco-piston-kit-for-yamaha-yfm350-warrior-raptor-1987-2013-12-1-cr-84mm","title":"Wiseco Piston Kit for YAMAHA YFM350 WARRIOR\/RAPTOR 1987-2013 12:1 CR 84mm","description":"\u003cfont rwr=\"1\" size=\"4\" style=\"font-family:Arial\"\u003e\n \u003ch1 francisco=\"\" neue=\"\" roboto=\"\" san=\"\" sans-serif=\"\" style=\"line-height: 1.2; margin: 0px 0px 0.75rem; color: rgb(31, 33, 36); font-family: -apple-system, BlinkMacSystemFont, \" ui=\"\"\u003e\n \u003c\/h1\u003e\n \u003cp data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\" style=\"margin: 0px 0px 1rem; font-size: 14px; font-weight: 400;\"\u003e\n  \u003cstrong data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   IMPORTANT NOTICE\n  \u003c\/strong\u003e\n  :\n  \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   Piston components\/kits are subject to\n  \u003c\/span\u003e\n  \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003cstrong data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n    Size AND Fitment Specificity\n   \u003c\/strong\u003e\n  \u003c\/span\u003e\n  \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   ; you\n  \u003c\/span\u003e\n  \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003cstrong data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n    NEED TO MEASURE YOUR CYLINDER BEFORE ORDERING\n   \u003c\/strong\u003e\n  \u003c\/span\u003e\n  . If you use the wrong size piston\/piston rings, you will damage your cylinder and we will not be liable. Return will\n  \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n  \u003c\/span\u003e\n  \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003cstrong data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n    NOT\n   \u003c\/strong\u003e\n  \u003c\/span\u003e\n  \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n  \u003c\/span\u003e\n  be accepted.\n  \u003cbr data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n  \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003ch1 data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\" francisco=\"\" neue=\"\" roboto=\"\" san=\"\" sans-serif=\"\" style=\"line-height: 1.2; margin: 0px 0px 0.75rem; color: rgb(31, 33, 36); font-family: -apple-system, BlinkMacSystemFont, \" ui=\"\"\u003e\n  \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   Wiseco Performance Piston Kit\n   \u003cbr data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n  \u003c\/span\u003e\n \u003c\/h1\u003e\n \u003ch1 francisco=\"\" neue=\"\" roboto=\"\" san=\"\" sans-serif=\"\" style=\"line-height: 1.2; margin: 0px 0px 0.75rem; color: rgb(31, 33, 36); font-family: -apple-system, BlinkMacSystemFont, \" ui=\"\"\u003e\n \u003c\/h1\u003e\n \u003cp data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\" style=\"margin: 0px 0px 1rem; font-size: 14px; font-weight: 400;\"\u003e\n  \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\" size=\"4\" style=\"font-size: large;\"\u003e\n   \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n    Part Number\n   \u003c\/span\u003e\n   : 40123M08400\n   \u003cbr data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n    Piston Size\n   \u003c\/span\u003e\n   : 84.00mm\n   \u003cbr data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n    Displacement\n   \u003c\/span\u003e\n   : 357cc\n   \u003cbr data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n    Standard Piston Size\n   \u003c\/span\u003e\n   : 83.00mm\n   \u003cbr data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n    Bore Oversize\n   \u003c\/span\u003e\n   : 1.00mm\n   \u003cbr data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n    Stroke\n   \u003c\/span\u003e\n   : 64.50mm\n   \u003cbr data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n    Compression Ratio\n   \u003c\/span\u003e\n   : 12 : 1\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cul data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\" style=\"font-size: 14px; font-weight: 400;\"\u003e\n  \u003cli data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\" size=\"4\" style=\"font-size: large;\"\u003e\n    These kits contain everything you need to complete your piston repair, the first time\n    \u003cbr data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003c\/span\u003e\n  \u003c\/li\u003e\n  \u003cli data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\" size=\"4\" style=\"font-size: large;\"\u003e\n    Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy.\n    \u003cbr data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003c\/span\u003e\n  \u003c\/li\u003e\n  \u003cli data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\" size=\"4\" style=\"font-size: large;\"\u003e\n    High Performance ring kit and alloy pin included with each piston kit for extended life and sustained power.\n    \u003cbr data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003c\/span\u003e\n  \u003c\/li\u003e\n  \u003cli data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\" size=\"4\" style=\"font-size: large;\"\u003e\n    Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including Supercross, Motocross, GNCC, Superbike, and more.\n    \u003cbr data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003c\/span\u003e\n  \u003c\/li\u003e\n  \u003cli data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\"\u003e\n   \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\" size=\"4\" style=\"font-size: large;\"\u003e\n    Made in the USA\n   \u003c\/span\u003e\n  \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\" style=\"margin: 0px 0px 1rem; font-size: 14px; font-weight: 400;\"\u003e\n  \u003cspan data-mce-fragment=\"1\" data-sanitized-data-mce-fragment=\"1\" size=\"4\" style=\"font-size: large;\"\u003e\n   Wiseco leads the performance aftermarket by producing the highest quality forged pistons for Dirt Bikes, ATV's, Snowmobiles, Outboard Marine, and Motorcycles right here in the USA. Wiseco is unique because we forge all of our own pistons in-house, and produce all of our own forge tooling right here in the USA. Extreme racing conditions demand the strength and toughness that only forged pistons can offer. Compared to cast pistons, forgings are tougher and more durable and will stand up to the abuse that high-performance motorsport applications require. Most castings are brittle, have no grain structure, and tend to fail catastrophically when the material yield strength is exceeded. Forgings have condensed grain that is aligned to the features of the part, which produces higher mechanical properties, and resistance to impact and fatigue. Each forging is designed to optimize the strength-to-weight ratio and maximize performance. In addition, in-house dyno testing gives Wiseco the ability to develop state-of-the-art technology such as new shapes, coatings, and components, and lead the industry through rigorous R\u0026amp;D.\n  \u003c\/span\u003e\n \u003c\/p\u003e\n \u003cdiv data-en-clipboard=\"true\" data-pm-slice=\"1 1 []\" data-sanitized-backgroundcolor=\"rgb(255, 255, 255)\" data-sanitized-data-en-clipboard=\"true\" data-sanitized-data-pm-slice=\"1 1 []\" style=\"font-size: 14px; font-weight: 400;\"\u003e\n  *Free Shipping!\n \u003c\/div\u003e\n \u003cdiv style=\"margin-bottom: 0px; font-size: 14px; font-weight: 400;\"\u003e\n  *📦 We only ship to the lower 48 states. We do not ship to Alaska, Hawaii, Guam, or Puerto Rico\n \u003c\/div\u003e\n \u003ch1 style=\"text-align: center;\"\u003e\n  \u003cdiv font-size:=\"\" font-weight:=\"\" francisco=\"\" neue=\"\" roboto=\"\" san=\"\" sans-serif=\"\" start=\"\" style=\"color: rgb(33, 43, 54); font-family: -apple-system, BlinkMacSystemFont, \" text-align:=\"\" ui=\"\"\u003e\n   \u003cbr\u003e\n  \u003c\/div\u003e\n \u003c\/h1\u003e\n \u003cbr\u003e\n \u003cimg src=\"https:\/\/hit.ebsh.io\/t\/hit.gif\" style=\"max-width:100%\"\u003e\n\u003c\/font\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":41712034283594,"sku":"40123M08400","price":201.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0226\/1499\/9114\/files\/10_959c49c3-9fee-48be-a03a-d50b3afdc135.jpg?v=1730845274","url":"https:\/\/updogindustries.com\/products\/wiseco-piston-kit-for-yamaha-yfm350-warrior-raptor-1987-2013-12-1-cr-84mm","provider":"UpdogIndustries.com","version":"1.0","type":"link"}