{"product_id":"prox-01-2921-a-piston-kit-yamaha-wolverine-rmax2-rmax4-1000","title":"ProX 01.2921.A Piston Kit - Yamaha Wolverine RMAX2 \/ RMAX4 1000","description":"\u003ch3\u003eProX 01.2921.A Piston Kit - Standard Size A\u003c\/h3\u003e\n\u003cp\u003eWhen it is time to refresh the heart of your Yamaha Wolverine RMAX 1000, the ProX 01.2921.A Piston Kit offers a reliable, high-quality solution. Precision machined on state-of-the-art CNC equipment, this aluminum alloy piston is designed to maintain the performance and longevity of your 4-stroke engine. ProX components are engineered to provide a cost-effective alternative to OEM parts without sacrificing quality or fitment. Moto-House MX stocks the professional-grade engine components you need for your next UTV rebuild.\u003c\/p\u003e\n\u003cp\u003eThis \"Standard Size A\" kit is specifically designed for 93.00 mm bores, featuring a piston size of 92.94 mm to ensure proper clearance and optimal compression. The included piston rings are produced by world-class OEM factories to exact specifications, ensuring a perfect seal and efficient oil control. Whether you are performing routine maintenance or a top-end overhaul, this complete kit simplifies the process by providing all the essential hardware in one package.\u003c\/p\u003e\n\u003ch3\u003eTop Features: ProX Piston Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCNC Precision:\u003c\/b\u003e Every piston is precision machined for consistent wall thickness and balanced weight, ensuring smooth engine operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOEM-Quality Rings:\u003c\/b\u003e Manufactured by leading OEM factories to provide superior sealing and long-term durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete Rebuild Solution:\u003c\/b\u003e The kit includes the piston, rings, wrist pin, and circlips, along with an instruction sheet for accurate installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Grade Material:\u003c\/b\u003e Constructed from a high-strength aluminum alloy designed to withstand the heat and pressure of 1000cc UTV engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStandard Size A Fitment:\u003c\/b\u003e Specifically sized at 92.94 mm for standard 93.00 mm cylinders to restore factory-spec compression.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e Always measure your cylinder bore and check for roundness before ordering. \"Size A\" is intended for new or low-hour cylinders that remain within the tightest factory tolerances. Ensure you use a high-quality assembly lube on the wrist pin and rings during installation to prevent dry-start wear.\u003c\/p\u003e\n\u003ch3\u003eFitment List\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\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\u003e2021\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYXE10 Wolverine RMAX2 (Base, Limited, XT-R)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYXF10 Wolverine RMAX4 (Base, Limited, XT-R)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: What does \"Size A\" mean in a ProX piston kit?\u003c\/b\u003e\u003cbr\u003eA: ProX offers graded sizes (A, B, C) to account for slight cylinder wear. Size A is the smallest diameter, meant for standard bores that have not been honed or worn significantly.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Is this piston kit an upgrade over the stock Yamaha piston?\u003c\/b\u003e\u003cbr\u003eA: ProX pistons are designed to be a high-quality OEM replacement. They offer comparable or superior durability and precision to factory parts, often at a more competitive price point.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Does this kit include the top-end gaskets?\u003c\/b\u003e\u003cbr\u003eA: No, this kit includes the piston, rings, pin, and clips only. We highly recommend purchasing a separate top-end gasket kit to complete your engine rebuild correctly.\u003c\/p\u003e\n\u003ch3\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eTop-End Gasket Set:\u003c\/b\u003e Ensure a leak-free seal by replacing all gaskets and O-rings during your piston installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaxima Extra 4-Stroke Engine Oil:\u003c\/b\u003e Provide your new piston with the best protection during the critical break-in period.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRestore the power and reliability of your Wolverine RMAX. Buy now at Moto-House MX!\u003c\/p\u003e\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\u003cp\u003e \u003c\/p\u003e","brand":"PROX","offers":[{"title":"Default Title","offer_id":44495832023123,"sku":"01.2921.A","price":161.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/2979230.png?v=1776228267","url":"https:\/\/motohousemx.com\/products\/prox-01-2921-a-piston-kit-yamaha-wolverine-rmax2-rmax4-1000","provider":"Moto-House MX","version":"1.0","type":"link"}