Namura Top-End Rebuild Kit for Yamaha YFB250 / YFM250 Models - 70.95mm - NA-40015K 1996 Yamaha YFM350U Big Bear 2x4 2015 Polaris SwitchBack Assault 800

2015 Polaris SwitchBack Assault 800 LE 60th Anniversary w/144" track

000 RPM results in a reed petal opening and closing 133 times in one second

2011 BMW F650GS Twin

1987 Yamaha TT350

Namura Top-End Rebuild Kit for Yamaha YFB250 / YFM250 Models - 70.95mm - NA-40015K 1996 Yamaha YFM350U Big Bear 2x4 2015 Polaris SwitchBack Assault 800Namura Technologies Top End Rebuild Kit 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 this convenient, time saving