Wossner Piston Yamaha YFM400 Big Bear 00-12

Wossner Piston Yamaha YFM400 Big Bear 00-12Wossner 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

with nitrile butadiene O-rings that seal in lubrication and deliver smooth power with minimal drag and horsepower loss

1x M8 x 55mm Bolt

Leatt replacement Helmet Peak / Visor to suit GPX 4

Operating temperature: -10°C - 55°C

5-year warranty

Our model specific fan kits mount easily to your bike's factory mounting points on the OEM radiator

Thermal insulation ensures maximum comfort and grip

A tailored cut ensures a perfect riding fit with or without body armour

steel inner casing that is tightly coiled for low compression

Easy to get a secure

Great Rides

Designed to push the tyre bead down into the drop centre of the rim without fighting while installing or repairing your off-road tyres/tubes