{"product_id":"wossner-pro-piston-kit-for-yamaha-yz250f-fx-76-95mm","title":"Wossner Pro Piston Kit for Yamaha YZ250F\/FX 76.95mm","description":"\u003cp\u003eUpgrade your Yamaha YZ250F (2014-2015) or YZ250FX (2015-2016) with the high-performance Wossner Pro Piston Kit. This 76.95mm bore piston kit is engineered to deliver superior durability and power, making it an essential component for competitive riders and enthusiasts seeking maximum engine reliability and output.\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eExperience unmatched engine performance and longevity with the Wossner Pro Piston Kit, specifically designed for your Yamaha YZ250F and YZ250FX models. Crafted from high-strength forged aluminum alloy, this piston is built to withstand the rigors of aggressive riding and racing, offering significantly improved durability over standard cast pistons. Its precision-machined 76.95mm bore and optimized dome design ensure an ideal 13.5:1 compression ratio, translating to enhanced combustion efficiency, increased horsepower, and snappier throttle response. The advanced molybdenum-disulfide (MoS2) skirt coating actively reduces friction and wear, extending the piston's lifespan and contributing to smoother engine operation. With its lightweight and balanced construction, this Wossner piston kit minimizes reciprocating mass, allowing your 250cc engine to rev quicker and deliver improved acceleration. Each kit comes complete with all necessary components for a seamless rebuild, including the forged piston, high-quality piston rings, a durable wrist pin, and secure circlips.\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Forged Construction:\u003c\/strong\u003e Engineered from high-strength forged aluminum alloy, providing exceptional durability and resistance to extreme temperatures and pressures for a significantly longer lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Performance Design:\u003c\/strong\u003e Features a precision-machined piston dome and a 13.5:1 compression ratio, specifically tuned to maximize power output, throttle response, and combustion efficiency for your YZ250F\/FX.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Friction Reduction:\u003c\/strong\u003e Equipped with a specialized molybdenum-disulfide (MoS2) skirt coating that minimizes friction and wear, enhancing piston longevity and contributing to smoother, more efficient engine operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Responsive:\u003c\/strong\u003e Designed with minimal reciprocating mass to reduce engine vibration, promote quicker revving, and deliver a noticeable improvement in acceleration and overall engine dynamics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete \u0026amp; Convenient Kit:\u003c\/strong\u003e Includes everything required for a full piston replacement: the high-performance forged piston, premium piston rings, a robust wrist pin, and reliable circlips for a straightforward installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Fitment:\u003c\/strong\u003e Manufactured to exact specifications for the Yamaha YZ250F (2014-2015) and YZ250FX (2015-2016) with a 76.95mm bore, ensuring a perfect, reliable fit and optimal engine function.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: Wossner\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 8893DA\u003c\/li\u003e\n\u003cli\u003eBore Size: 76.95mm\u003c\/li\u003e\n\u003cli\u003eEngine Displacement: 250cc\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 13.5:1\u003c\/li\u003e\n\u003cli\u003ePiston Type: Pro Series, Forged\u003c\/li\u003e\n\u003cli\u003eMaterial: High-strength Forged Aluminum Alloy\u003c\/li\u003e\n\u003cli\u003eSkirt Coating: Molybdenum-Disulfide (MoS2)\u003c\/li\u003e\n\u003cli\u003eCompatibility: Yamaha YZ250F (2014-2015), Yamaha YZ250FX (2015-2016)\u003c\/li\u003e\n\u003cli\u003eKit Contents: Piston, Piston Rings, Wrist Pin, Circlips\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eImportant to Know\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eProfessional installation is highly recommended for optimal performance and longevity.\u003c\/li\u003e\n\u003cli\u003eGaskets, bearings, and other engine rebuild components are sold separately and are not included with this piston kit.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":62381485949258,"sku":"09104996","price":2265.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/9081ae92a8a481065fc06b948a0d2346.webp?v=1781740409","url":"https:\/\/partsdenmark.se\/products\/wossner-pro-piston-kit-for-yamaha-yz250f-fx-76-95mm","provider":"Parts Denmark","version":"1.0","type":"link"}