1990

1987–1999 Yamaha Big Bear 350 Cylinder Boring Service includes: Remove old gasket material and dowel pins. Clean cylinder in ultrasonic cleaner. Inspect cylinder bore for wear or damage. Bore and hone cylinder to next oversize piston. Inspect...

1987–1999 Yamaha Big Bear 350 Top End Rebuild KitThis kit features the most commonly replaced components for a reliable new top end.Ideal maintenance for loss of compression, burning oil, top end noises or a seized engine.Kit includes: 1 –...