{"product_id":"athena-p400485100039-112cc-big-bore-stroker-cylinder-kit-with-crankshaft-cylinder-head-53mm-bore-premium-2-stroke-race-upgrade-compatible-with-yamaha-yz85-2002-2018","title":"Athena P400485100039 Cylinder Kit Big Bore Stroker 112cc; Yamaha 85 YZ 85 02-18; 53mm Bore with Cylinder Head and Crankshaft included","description":"MAXIMIZE YOUR RACING PERFORMANCE WITH ULTIMATE STROKER POWER Unleash the absolute maximum power, extreme low-end torque, and explosive acceleration hidden within your youth 2-stroke racing engine with the Athena Big Bore Stroker Cylinder Kit (Part No. P400485100039), a premier, race-proven package engineered in Italy to convert your factory setup into a high-revving 112cc powerhouse. This ultimate top-and-bottom-end overhaul features an aluminum cylinder treated with a specialized Motor-Nicksil (Nickel-Silicon) coating for superior thermal dissipation and ultra-low friction, working in perfect synchronization with an included high-performance long-stroke racing crankshaft. This complete competition assembly comes fully loaded with a custom-profiled high-compression cylinder head, premium cast piston, rings, wrist pin, hardware, and a specific high-tightness multi-layer gasket set—allowing you to scale up track performance significantly without requiring any structural machining modifications to your factory crankcase.","brand":"Athena","offers":[{"title":"Default Title","offer_id":52666136166687,"sku":"P400485100039","price":1180.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0813\/2195\/1519\/files\/P400485100039-1.jpg?v=1783605125","url":"https:\/\/massdepot.com\/products\/athena-p400485100039-112cc-big-bore-stroker-cylinder-kit-with-crankshaft-cylinder-head-53mm-bore-premium-2-stroke-race-upgrade-compatible-with-yamaha-yz85-2002-2018","provider":"Mass Depot","version":"1.0","type":"link"}