Zozoye Yamaha top end kit piston standard for reliable rebuilds
Zozoye Yamaha top end kit piston ring set supports engine sealing
Zozoye Yamaha top end kit circlip secures piston assembly
Zozoye Yamaha top end kit piston pin for precise alignment
Zozoye Yamaha top end kit intake valve for engine restoration
Zozoye Yamaha top end kit exhaust valve for engine restoration
Zozoye Yamaha top end kit valve springs for consistent action
Zozoye Yamaha top end kit gasket set with essential seals

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Zozoye Yamaha Top End Rebuild Kit STD Piston & Ring for G21-G28, YTF-1/2, YDR-A (2001-2025) JR7-11631-00-A0

High-performance golf made for confident daily results

$165.85

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Why customers choose Golfavero

Refresh 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.

Whether 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.

What’s inside

  • Piston (standard size)
  • Piston ring set (standard)
  • Circlips
  • Piston pin
  • Intake valve
  • Exhaust valve
  • Valve springs
  • Valve spring retainer lock
  • Valve spring retainer
  • Valve seal
  • Cylinder head gasket
  • Head cover gasket
  • Crankcase cover gasket
  • Oil seals
  • Gasket assortment

Fits a broad Yamaha lineup

  • YXP700A Pro Hauler 700 (2004-2006)
  • YXP1000A Pro Hauler 1000 (2004-2005)
  • G21-A (2001-2004)
  • G22-A G-MAX (2003-2007)
  • G23-A U-MAX Medium Duty I (2004-2009)
  • G27-A U-MAX Light Duty (2004-2008)
  • G28-A U-MAX Medium Duty II (2004-2009)
  • YDR-A (2007-2016 ALL Edition)
  • YTF-1 Adventurer One (2009-2013)
  • YTF-1A Adventurer One/Sport (2013-2018 ALL Edition)
  • YTF-2 (2009-2013 ALL Edition)
  • YTF-2A (2014-2018 ALL Edition)
  • DR2A (2017-2025 ALL Edition)

Quality and service you can rely on

  • Manufacturer part numbers JR7-11631-00-A0 and JR7-11610-00-00
  • Replacement parts JY2-15451-00-00, JN6-1211-01-00, 7CT-E2121-00-00, 90501-264A9-00
  • 24-hour customer service and 1-year product support
  • Includes comprehensive gasket and seal set for a complete rebuild

FAQ

Q: Which Yamaha models does this top end rebuild kit fit?

A: Compatible with G21-G28 variants, YDR-A, YXP Pro Hauler lines, YTF Adventurer series, and DR2A editions (2001–2025).

Q: What does the kit include and what support is offered?

A: Includes piston, rings, valves, gaskets, seals, and more; plus 24/7 support and a 1-year product service.

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