Wossner Piston Yamaha YFM400 Big Bear '00-'12 82.93mm Yamaha Proven under grueling actual all-terrain

Proven under grueling actual all-terrain test conditions the Dayco HP Outdoor Activity Belt has fast become the ATVer’s “Belt of Choice”

Wires Length: 580mm and 600mm

Permanent anti-fog double lens

Perfect when installing hand guards or bar ends

All internal components are precision ground and utilize molybdenum grease

Wossner Piston Yamaha YFM400 Big Bear '00-'12 82.93mm Yamaha Proven under grueling actual all-terrainWossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons rods and customer service. Features In house designed and manufactured; all forgings are produced in Wossner's company owned forging operation 4 stroke pistons are made using a double bridged forging design