{"product_id":"wossner-8023dc-piston-kit-1992-1998-yamaha-yz250-wr250-2-stroke-size-c","title":"Wossner 8023DC Piston Kit - 1992-1998 Yamaha YZ250 WR250 2-Stroke Size C","description":"\u003ch3\u003eWossner 8023DC Premium Forged 2-Stroke Piston Kit - Size C\u003c\/h3\u003e\n\n\u003cp\u003eWhen your high-hour Yamaha 250 engine requires a precise top-end refresh, the Wossner 8023DC Size C Piston Kit is the professional choice for restoring Factory Quality performance. This 67.96mm forged piston is engineered specifically for cylinders that have experienced natural wear, ensuring the exact piston-to-wall clearance needed for peak compression. At Moto-House MX, we provide the technical solutions required to keep your 2-stroke powerhouse running smoothly on every trail.\u003c\/p\u003e\n\n\u003cp\u003eForged from aerospace-grade aluminum alloy, this piston offers superior structural integrity and heat resistance compared to cast alternatives. The permanent skirt coating significantly reduces internal friction and piston rock, resulting in a quieter engine and extended service life. Whether you are riding technical enduro on a WR250 or hitting the motocross track on a YZ250, the dual-ring design of the 8023DC provides consistent power delivery and reliable compression seal for your 249cc Yamaha engine.\u003c\/p\u003e\n\n\u003ch3\u003eTop Features: Wossner 8023DC Piston Kit\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eStandard Size C (67.96mm):\u003c\/b\u003e Designed for cylinders with a 68.02mm bore to maintain optimal mechanical clearances.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eAerospace Forged Alloy:\u003c\/b\u003e Premium aluminum construction for maximum strength-to-weight ratio and durability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003ePermanent Skirt Coating:\u003c\/b\u003e Minimizes wear and friction for a quieter running engine and efficient break-in.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eDual-Ring Design:\u003c\/b\u003e Optimized for an exceptional combustion seal and consistent 2-stroke power.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eComplete Assembly:\u003c\/b\u003e Kit includes the forged piston, high-performance rings, wrist pin, and clips.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e Accurate measurement is key for older 2-stroke cylinders. Use a bore gauge to check your cylinder at multiple points. If your cylinder shows wear reaching the 68.02mm range, the Size C piston is essential to prevent piston slap and maintain stability at high RPMs.\u003c\/p\u003e\n\n\u003ch3\u003eFitment List\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n    \u003cthead\u003e\n        \u003ctr\u003e\n            \u003cth\u003eYear Range\u003c\/th\u003e\n            \u003cth\u003eVehicle Brand\u003c\/th\u003e\n            \u003cth\u003eVehicle Model \u0026amp; Size\u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e1992-1998\u003c\/td\u003e\n            \u003ctd\u003eYamaha\u003c\/td\u003e\n            \u003ctd\u003eYZ250\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e1992-1997\u003c\/td\u003e\n            \u003ctd\u003eYamaha\u003c\/td\u003e\n            \u003ctd\u003eWR250\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: When should I choose a Size C piston?\u003c\/b\u003e\u003cbr\u003e\nA: Size C is typically used after a cylinder has seen significant use and has worn slightly beyond the A or B specifications. It allows you to maintain the correct clearance without the immediate need for a cylinder re-plate.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: Does this include the wrist pin bearing?\u003c\/b\u003e\u003cbr\u003e\nA: No, the kit includes the piston, rings, pin, and clips. We highly recommend purchasing a new wrist pin bearing separately during a rebuild.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: Will this fit my 1999 or newer Yamaha YZ250?\u003c\/b\u003e\u003cbr\u003e\nA: No, this specific kit is designed for the 1992-1998 engine platform. Please check our other listings for newer model years.\u003c\/p\u003e\n\n\u003ch3\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eTop End Gasket Kit:\u003c\/b\u003e Ensure a leak-free seal for your Yamaha 250 rebuild.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eMotorex Cross Power 2T Oil:\u003c\/b\u003e The ultimate protection for high-performance 2-stroke pistons.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eRestore your Yamaha’s legendary punch today. Buy now at Moto-House MX!\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eMoto-House MX – Choice of Champions\u003c\/b\u003e – is located in Clermont\/Montverde, FL. The Best Motocross\/UTV \u0026amp; ATV Shop in Central Florida. Stop by our local store in Montverde, FL or enjoy lightning-fast shipping across the USA.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Wossner 8023DC Piston Kit\",\n  \"image\": [],\n  \"description\": \"Wossner 8023DC Size C (67.96mm) Forged Piston Kit for 1992-1998 Yamaha YZ250 and WR250. 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