The Yamaha 650 Top End Kit from SBT is a premium engine rebuild kit designed for 1990–1996 Yamaha 650-powered personal watercraft. Compatible with the Yamaha WaveRunner III 650, SuperJet 650, and WaveRunner VXR, this complete rebuild kit includes all the essential components required to restore engine compression, reliability, and factory-level performance.
The Yamaha 650 Top End Kit features two precision-manufactured SBT pistons, two piston ring sets, wrist pins, wrist-pin bearings, C-clips, a base gasket, a complete head and head cover gasket set with O-rings, and exhaust gasket(s). Every component is engineered to OEM-quality standards, ensuring accurate fitment, exceptional 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 included head and head cover gasket set provides reliable sealing, while the exhaust gasket(s) complete the rebuild with all the necessary sealing components for a professional installation.
Whether you’re restoring a classic Yamaha WaveRunner, rebuilding a SuperJet for recreational or competition use, or carrying out preventative maintenance, the SBT Yamaha 650 Top End Kit offers the quality and reliability trusted by marine mechanics and personal watercraft enthusiasts worldwide.
Kit Includes
2 × SBT Pistons
2 × Piston Ring Sets
2 × Wrist Pins
2 × Wrist-Pin Bearings
2 × C-Clips
1 × Base Gasket
1 × Head & Head Cover Gasket with O-Rings
Exhaust Gasket(s)
