Quick view Yamaha 2005-2008 Yamaha Grizzly 80 Cylinder Boring Service Compare MSRP: $100.00 - $250.00 2005-2008 Yamaha Grizzly 80 Cylinder Boring Service includes:Remove Old Gasket Material. Remove old dowel pins.Clean Cylinder through Ultrasonic Cleaner.Inspect Cylinder Bore for wear or damage. Bore and Hone Cylinder to next oversize piston.Inspect... Choose Options Choose Options Add to Wish List Add to My Wish List Create New Wish List