For R75, R75/6, R90/6, R90S Models to 09/1975 with points ignition, Duplex timing chain (3/8X7/32) and smal Oil seal front, only in conjunction with oil pump rotor inner with nut 3x5 to 9/1978 no. 114053.
The 308° camshaft from BMW with the small shaft seal is currently supplied with the big woodruff key of the /6 (with 3mm) for the inner oil pump rotor ( No. 11411258971).
Power Kit Extra 1000cc for R80 models after September 1980, now with 4 pc. stainless steel pushrod tubes (no. 112001) !!!
This set includes 2 pc (for one engine).