Moped and scooter strokes
This is a list of a lot of different moped & scooter engine strokes. You can use this to see what cylinder matches your engine closely.
37,4 mm = Morini scooter
39,0 mm = Minarelli AM 4 5 & 6 (Shifter)
39,1 mm = Peugeot scooter (Also Fox, Wallaroo and 103)
39,2 mm = Minarelli horizontal LC/AC and vertical scooter
39,3 mm = Piaggio scooter LC/AC
39,7 mm = Yamaha DT50MX shifter
39,7 mm = Kreidler shifter
39,7 mm = Sachs 50SW
40,0 mm = Derbi shifter (85 mm conrod length)
41,4 mm = Kymco scooter
41,4 mm = Honda MT5/NSR50/MTX-sh/MTX-ot/MB5/MBX50/MBX80 shifter
41,6 mm = Kawasaki AR50/80 shifter
41,8 mm = Zundapp shifter
41,8 mm = Morini shifter
42,0 mm = Minarelli RV4 shifter
42,0 mm = Sachs 504 and 505
43,0 mm = Gilardoni 43mm stroke cilinder (Minarelli horizontal LC)
43,0 mm = Simonini 80cc cilinder (Vespa)
43,0 mm = Parmakit 80cc cilinder (Minarelli horizontal AC&LC)
43,0 mm = Derbi FDS/FDX shifter
43,0 mm = Puch automatic
43,0 mm = Tomos automatic
44,0 mm = Parmakit 80cc cilinder (Piaggio AC+LC)
44,0 mm = Fabrizi 44mm stroke cilinder (Piaggio LC)
44,0 mm = Simonini 80cc cilinder (Minarelli horizontal LC)
44,0 mm = 2FAST4RACE 44mm stroke cilinder (Minarelli horizontal LC and Piaggio LC)
45,8 mm = Simonini 89,9cc cilinder (Minarelli AM6)
46,0 mm = Simonini 90,23cc cilinder (Minarelli AM6)
46,0 mm = Simonini 100cc engine (Vespa)
47,0 mm = Zundapp KS-80 (AC and LC)
50,8 mm = MT8/MB8 shifter
54,0 mm = Zundapp KS-175
Original from PuchForum.net
Translated by SchijnHeilig