Namura Top-End Rebuild Kit for 2002-03 Polaris Sportsman / Ranger 700 - 79.96mm - NA-50070-BK1 1977 Yamaha RD400 Piston Standard Bore: 65

Piston Standard Bore: 65

1989 Yamaha XV535 Virago

2007-08 Yamaha YFM80 Grizzly

Part Number: WPK0054

2016 Yamaha YFM700 Raptor

Namura Top-End Rebuild Kit for 2002-03 Polaris Sportsman / Ranger 700 - 79.96mm - NA-50070-BK1 1977 Yamaha RD400 Piston Standard Bore: 65Namura Technologies Top End Rebuild Kit Part Number: NA 50070 BK1 A Top End rebuild can help to improve the performance of your ride, keeping it running in peak condition. With the Namura complete Top End Rebuild Kit, rebuilding your Top End no longer expensive and painful Namura's Top End Kits include everything you need to get your ride operational again; pistons, a top end gasket kit and wrist pin bearings (where applicable) are all included in