Motorcycle spare parts> Simson> S50 catalogue 1974> Engine> 19. Shift mechanism>
Motorcycle spare parts> Simson> SR4-1 Spatz > Engine M52KH> 14. Transmission, gear change, kick start>
Motorcycle spare parts> Simson> SR4-2 Star - Spare parts catalouge from 1966> Engine> 14. Gears, shafts, gear shift, kick starter system>
Motorcycle spare parts> Simson> Schwalbe KR51 > KR51/1> Engine> 18. Sprockets, shafts, kickstart system, circuit>