Your clutch is slipping when using the last gear ? You have to know that The springs are responsible for 50% in that case.(Except Montesa Coat).. So Think to change them...
Standard smooth trim.
Compatibility Yamaha models :
TY 125 to 250 (twin shocks) Front
TY 250 (Monoshock, 59N, S) Rear
DT 100 (from 1976 to 1980) Front
DTM(X)...