Yamaha Piston Kit - Size B Model:YZ250 4% elastane

4% elastane

Anti-odor MoistureCool mesh lining

The seat area is made of 1800D material with multi-row reinforced stitching

0 Ready to use on an ethylene glycol basis offers outstanding protection against freezing

the helmet is lined with 360 ̊ turbines

Yamaha Piston Kit - Size B Model:YZ250 4% elastaneIn house designed and manufactured; all forgings are produced in Wssner's company owned forging operation 4 stroke pistons are made using a double bridged forging design Lightweight pistons with the tightest piston wall clearances in the industry give you a quieter running engine Standard and oversize pistons for most models, with high compression ratios available for 4 stroke applications All piston kits include piston, ring, wrist pin and pin locks