The Yamaha 800 Top End Kit from SBT is a premium engine rebuild kit designed specifically for 1998–2005 Yamaha 800 twin-cylinder personal watercraft. Compatible with the GP800, XL800, GP800R, and XLT800, this complete rebuild kit contains everything needed to restore engine compression, reliability, and factory-level performance.
The Yamaha 800 Top End Kit includes two precision-manufactured SBT pistons, two piston ring sets, wrist pins, wrist-pin bearings, C-clips, four washers, two base gaskets, a complete head and head cover gasket set with O-rings, and exhaust gasket(s). Every component is manufactured to exacting standards for precise fitment, durability, and dependable operation in demanding marine environments.
Replacing worn pistons, rings, bearings, and sealing components during a top-end rebuild helps restore lost compression, improve throttle response, reduce engine wear, and extend the service life of your Yamaha engine. The supplied base gaskets, head gasket set, O-rings, and exhaust gasket(s) ensure reliable sealing throughout the engine, making installation straightforward and helping prevent leaks after assembly.
Whether you’re rebuilding a high-performance GP800R, restoring an XL800, maintaining an XLT800, or refreshing a classic GP800, the SBT Yamaha 800 Top End Kit delivers OEM-quality fitment and dependable performance trusted by marine workshops and personal watercraft enthusiasts worldwide.
Kit Includes
2 × SBT Pistons
2 × Piston Ring Sets
2 × Wrist Pins
2 × Wrist-Pin Bearings
2 × C-Clips
4 × Washers
2 × Base Gaskets
1 × Head & Head Cover Gasket Set with O-Rings
Exhaust Gasket(s)
