{"product_id":"wossner-8066da-piston-kit-2002-2004-honda-cr250r-2-stroke-motocross","title":"Wossner 8066DA Piston Kit - 2002-2004 Honda CR250R 2-Stroke Motocross","description":"\u003ch3\u003eWossner 8066DA Premium Forged 2-Stroke Piston Kit\u003c\/h3\u003e\n\n\u003cp\u003eRefresh your Honda 2-stroke with the Wossner 8066DA Piston Kit, engineered to restore the Factory Quality power and crisp throttle response your CR250R was built for. Specifically designed for the 2002-2004 engine platform, this kit provides the durability and precision required for aggressive motocross and off-road riding. At Moto-House MX, we provide the high-performance components needed to keep your 249cc engine reliable and competitive.\u003c\/p\u003e\n\n\u003cp\u003eForged from aerospace-grade aluminum alloy, this piston offers a superior strength-to-weight ratio compared to standard cast alternatives. The permanent skirt coating is a critical feature, significantly reducing friction and piston rock for a quieter engine and improved mechanical efficiency. With optimized machining that balances lightness and structural integrity, the 8066DA is built to withstand the heat and pressure of high-RPM 2-stroke operation.\u003c\/p\u003e\n\n\u003ch3\u003eTop Features: Wossner 8066DA Piston Kit\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eAerospace Forged Alloy:\u003c\/b\u003e Premium aluminum construction for maximum durability and thermal stability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eLow-Friction Skirt Coating:\u003c\/b\u003e Permanent coating reduces internal wear and engine noise for smoother operation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eDual-Ring Design:\u003c\/b\u003e Optimized for an exceptional combustion seal and consistent compression throughout the powerband.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003ePrecision Machining:\u003c\/b\u003e Lightweight design reduces reciprocating mass for faster revving and improved performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eComplete Kit:\u003c\/b\u003e Includes everything needed for a top-end refresh: forged piston, rings, wrist pin, and clips.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e When rebuilding your 2002-2004 CR250R, pay close attention to the RC valve (power valve) adjustment. Ensure you install the piston with the arrow or \"EX\" mark pointing toward the exhaust port for proper timing and performance.\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\u003e2002-2004\u003c\/td\u003e\n            \u003ctd\u003eHonda\u003c\/td\u003e\n            \u003ctd\u003eCR250R\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: Is this a Standard Size A piston?\u003c\/b\u003e\u003cbr\u003e\nA: Yes, this is a 66.34mm piston designed to fit the standard 66.40mm bore size for the Honda CR250R.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: Does this kit 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 when performing your rebuild.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: Will this fit my 2005-2007 Honda CR250R?\u003c\/b\u003e\u003cbr\u003e\nA: No, this specific kit is designed for the 2002-2004 engine series. Please check our other listings for the 2005-2007 specific piston kits.\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 Essential for a leak-free seal during your CR250R engine rebuild.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eMotorex Cross Power 2T Oil:\u003c\/b\u003e The ultimate synthetic lubrication choice for high-performance Honda 2-strokes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eRestore your Honda's power and precision 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 8066DA Piston Kit\",\n  \"image\": [],\n  \"description\": \"Premium Wossner 8066DA Forged 2-Stroke Piston Kit for 2002-2004 Honda CR250R. 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