Quick view Yamaha 1997-1999 Yamaha Big Bear 350 Top End Rebuild Kit Compare $813.96 $799.99 1997-1999 Yamaha Big Bear 350 Top End Rebuild Kit includes:( 1 ) New Genuine OEM Yamaha Engine Cylinder PN 5YT-11310-00-00 ( 1 ) New Genuine OEM Yamaha 83mm STD Bore Size Piston PN 1YW-11631-01-Y0( 1 ) New Genuine OEM Yamaha 83mm STD Bore Size Piston... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List