{"product_id":"oro2u-56-k170-81-kit-02414623","title":"Cylinder Full Kit 81MM Yamaha WR\/YZ 250 14-18, Athena P400485100050 276CC Big Bore, (Piston included)","description":"\u003cp\u003eCylinder Full Kit 81MM Yamaha WR\/YZ 250 14-18, Athena P400485100050 276CC Big Bore, (Piston included). Find the product specifications and compatibility information below.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProduct: Cylinder Full Kit 81MM Yamaha WR\/YZ 250 14-18, Athena P400485100050 276CC Big Bore, (Piston included)\u003c\/li\u003e\n\u003cli\u003ePart number: 56-K170.81.KIT\u003c\/li\u003e\n\u003cli\u003eBrand: Athena\u003c\/li\u003e\n\u003cli\u003eATHENA Big Bore Cylinder Kit Ø 81 mm, 276 cc - P400485100050 (Includes Piston)\u003c\/li\u003e\n\u003cli\u003eAthena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance. All the cylinders are entirely engineered in Italy by Athena’s R\u0026amp;D Department which has a strong internal know-how and cutting-edge tools to design and test each piece. They are coated with motor-nicksil, a nickel-silicon coating developed by Athena to obtain smoothness and optimal wear resistance.\u003c\/li\u003e\n\u003cli\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003c\/li\u003e\n\u003cli\u003eAthena’s Big Bore Cylinder Kits guarantees an increase in performance that can be observed along the power curve, keeping the reliability at the same level of the original components.\u003c\/li\u003e\n\u003cli\u003eThe kit includes the high-quality aluminum cylinder with increased bore, the complete piston with the piston pin and rings, and all the necessary gaskets.\u003c\/li\u003e\n\u003cli\u003eAll the components of the kit have been developed to withstand the highest temperatures, pressures and stresses and have been validated by Athena technicians with severe bench and road tests.\u003c\/li\u003e\n\u003cli\u003eThis cylinder kit can be installed without making any changes to the engine crankcase.\u003c\/li\u003e\n\u003cli\u003eCAUTION! All Athena products must be used in compliance with the specific national regulations of the member state where it is being marketed or sold. Athena declines all responsibility for any improper use.\u003c\/li\u003e\n\u003cli\u003eTechnical features\u003c\/li\u003e\n\u003cli\u003eBore Diameter (mm) 81.00\u003c\/li\u003e\n\u003cli\u003eCompression Ratio 13.6:1\u003c\/li\u003e\n\u003cli\u003eDisplacement (cc) 276\u003c\/li\u003e\n\u003cli\u003eNet Weight (Kg) 1.38\u003c\/li\u003e\n\u003cli\u003ePartner Cross Reference code and Optional Parts\u003c\/li\u003e\n\u003cli\u003eS4F08100005A Forged Piston 80,95\u003c\/li\u003e\n\u003cli\u003eS4F08100005B Forged Piston 80,96\u003c\/li\u003e\n\u003cli\u003eP400485160192 Gaskets Kit For Athena Cylinder Kit\u003c\/li\u003e\n\u003cli\u003eS41316296 Rings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\u003cp\u003eApplications listed in the supplier fitment data:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eYAMAHA YZ F 250cc — 2016\u003c\/li\u003e\n\u003cli\u003eYAMAHA WR F 250cc — 2015–2016\u003c\/li\u003e\n\u003cli\u003eYAMAHA WR F 250cc — 2015–2017\u003c\/li\u003e\n\u003cli\u003eYAMAHA WR F 250cc — 2017\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ F 250cc — 2018\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ F 250cc — 2017\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ F 250cc — 2015\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ F 250cc — 2014\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ F 250cc — 2014–2015\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ F 250cc — 2016–2018\u003c\/li\u003e\n\u003cli\u003eYAMAHA WRF 250cc — 2015–2016\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZF 250cc — 2014–2015\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMatch your exact make, model, year and specification before ordering.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eWhy buy from FDY Performance?\u003c\/h3\u003e\u003cp\u003eFDY Performance is a UK motorcycle and ATV parts specialist. We help riders find parts with clear specifications, vehicle fitment information where available and support before ordering.\u003c\/p\u003e\u003ch3\u003eNeed help choosing the right part?\u003c\/h3\u003e\u003cp\u003eContact us with your bike make, model and year, plus the part number shown above, and we can help you check compatibility.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCall: \u003ca href=\"tel:+447765534854\"\u003e07765 534854\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmail: \u003ca href=\"mailto:fdy@fdyperformance.com\"\u003efdy@fdyperformance.com\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eWebsite: \u003ca href=\"https:\/\/www.fdyperformance.com\"\u003ewww.fdyperformance.com\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":59664083517788,"sku":"56-K170.81.KIT","price":679.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0866\/6982\/0252\/files\/stock51973_1.jpg?v=1793123279","url":"https:\/\/fdyperformance.com\/products\/oro2u-56-k170-81-kit-02414623","provider":"FDY performance Ltd","version":"1.0","type":"link"}