- Cork Material Clutch Friction give you an excellent Cost-Performance.
Cork Material Clutch Friction give you an excellent Cost-Performance.. Cork is used current big motorcycle such as for Yamaha R1.. Material for clutch friction will be decided by performance of clutch operation.This item fits the following vehicle applications:for Honda ATC250ES Big Red 1985-1987for Honda ATC250SX 1985-1987for Honda TRX250 1985-1987