{"product_id":"zozoye-yamaha-top-end-rebuild-kit-std-piston-ring-for-g21-g28-ytf-1-2-ydr-a-2001-2025-jr7-11631-00-a0","title":"Zozoye Yamaha Top End Rebuild Kit STD Piston \u0026 Ring for G21-G28, YTF-1\/2, YDR-A (2001-2025) JR7-11631-00-A0","description":"\u003cp\u003eRefresh the top end of a Yamaha engine with the Zozoye Top End Rebuild Kit. This complete kit is designed to support a thorough, in-frame refresh for a broad range of Yamaha golf carts and utility vehicles from 2001 to 2025. The kit pairs a standard piston with precise rings and a full complement of valves, seals, and gaskets to help restore compression, reduce oil leakage, and promote smooth valve action across diverse models.\u003c\/p\u003e\n\u003cp\u003eWhether you’re reviving a compact G21 or a larger YDR-A, the rebuild kit is built to align with the engine architecture you know. The included standard piston and ring set offers reliable bore sizing, while refreshed intake and exhaust components, along with high-quality gaskets, help seal critical passages during reassembly. The result is a cohesive, race-ready feeling for everyday riding and work-duty use, without overpromising outcomes.\u003c\/p\u003e\n\u003ch2\u003eWhat’s inside\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePiston (standard size)\u003c\/li\u003e\n\u003cli\u003ePiston ring set (standard)\u003c\/li\u003e\n\u003cli\u003eCirclips\u003c\/li\u003e\n\u003cli\u003ePiston pin\u003c\/li\u003e\n\u003cli\u003eIntake valve\u003c\/li\u003e\n\u003cli\u003eExhaust valve\u003c\/li\u003e\n\u003cli\u003eValve springs\u003c\/li\u003e\n\u003cli\u003eValve spring retainer lock\u003c\/li\u003e\n\u003cli\u003eValve spring retainer\u003c\/li\u003e\n\u003cli\u003eValve seal\u003c\/li\u003e\n\u003cli\u003eCylinder head gasket\u003c\/li\u003e\n\u003cli\u003eHead cover gasket\u003c\/li\u003e\n\u003cli\u003eCrankcase cover gasket\u003c\/li\u003e\n\u003cli\u003eOil seals\u003c\/li\u003e\n\u003cli\u003eGasket assortment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFits a broad Yamaha lineup\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eYXP700A Pro Hauler 700 (2004-2006)\u003c\/li\u003e\n\u003cli\u003eYXP1000A Pro Hauler 1000 (2004-2005)\u003c\/li\u003e\n\u003cli\u003eG21-A (2001-2004)\u003c\/li\u003e\n\u003cli\u003eG22-A G-MAX (2003-2007)\u003c\/li\u003e\n\u003cli\u003eG23-A U-MAX Medium Duty I (2004-2009)\u003c\/li\u003e\n\u003cli\u003eG27-A U-MAX Light Duty (2004-2008)\u003c\/li\u003e\n\u003cli\u003eG28-A U-MAX Medium Duty II (2004-2009)\u003c\/li\u003e\n\u003cli\u003eYDR-A (2007-2016 ALL Edition)\u003c\/li\u003e\n\u003cli\u003eYTF-1 Adventurer One (2009-2013)\u003c\/li\u003e\n\u003cli\u003eYTF-1A Adventurer One\/Sport (2013-2018 ALL Edition)\u003c\/li\u003e\n\u003cli\u003eYTF-2 (2009-2013 ALL Edition)\u003c\/li\u003e\n\u003cli\u003eYTF-2A (2014-2018 ALL Edition)\u003c\/li\u003e\n\u003cli\u003eDR2A (2017-2025 ALL Edition)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality and service you can rely on\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer part numbers JR7-11631-00-A0 and JR7-11610-00-00\u003c\/li\u003e\n\u003cli\u003eReplacement parts JY2-15451-00-00, JN6-1211-01-00, 7CT-E2121-00-00, 90501-264A9-00\u003c\/li\u003e\n\u003cli\u003e24-hour customer service and 1-year product support\u003c\/li\u003e\n\u003cli\u003eIncludes comprehensive gasket and seal set for a complete rebuild\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which Yamaha models does this top end rebuild kit fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with G21-G28 variants, YDR-A, YXP Pro Hauler lines, YTF Adventurer series, and DR2A editions (2001–2025).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the kit include and what support is offered?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes piston, rings, valves, gaskets, seals, and more; plus 24\/7 support and a 1-year product service.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"zozoye","offers":[{"title":"Default Title","offer_id":53087143690351,"sku":"B0FHWMK6P3","price":165.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/7354\/2767\/files\/zozoye-yamaha-top-end-kit-piston-std.jpg?v=1778649345","url":"https:\/\/golfavero.com\/products\/zozoye-yamaha-top-end-rebuild-kit-std-piston-ring-for-g21-g28-ytf-1-2-ydr-a-2001-2025-jr7-11631-00-a0","provider":"My Store","version":"1.0","type":"link"}