For R75/6 - R100 mdels from 09/1975 to 1980 with points ignition, Duplex timing chain (3/8X7/32) and large oil seal front, only in conjunction with oil pump rotor inner from 09/1980 No. 114054.
for R50/5, R60/5, R75/5, R60/6, R75/6, R90/6, R90S, R60/7, R75/7, R80/7, R100/7, R100S, R100RS, R100RT, R100CS, R80G/S, R80ST, R80RT, R80GS, R100GS, R100PD, R100R, R80Basic
For R50/5, R60/5, R75/5, R60/6, R75/6, R90/6, R90S, R60/7, R75/7, R80/7, R100/7, R100S, R100RS, R100RT, R100CS, R80G/S, R80ST, R80RT, R80GS, R100GS, R100PD, R100R, R80Basic
High quality over-size piston in 94.46 mm for all R100 models up to September 1980 produced with recent technical expertise.
MADE IN GERMANY!!!