Moped and scooter strokes

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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 = Suzuki FA50

37.4 mm = Morini scooter

37.5 mm = suzuki katana

37.8 mm = suzuki jr 50 (kids dirt bike) , ts50 , rm50

38.0 mm = Batavus Laura M48/M56

38.0 mm = Piaggio/Gilera Hi-Per 2

39.0 mm = (Franco) Morini M1 Reed Valve

39.0 mm = Garelli NOI/ horizontal

39.0 mm = Garelli VIP / vertical

39.0 mm = Hero Majestic

39.0 mm = Minarelli V1L(HKS)

39.0 mm = Minarelli AM 4 5 & 6 (Shifter)

39.0 mm = Aprilia Af1 50 futura

39.1 mm = Peugeot scooter (Also Fox, Wallaroo and 103)

39.2 mm = Minarelli horizontal LC/AC and vertical scooter. qt50, mj50, lb50 chappy, lc50 champ

39.3 mm = Piaggio scooter LC/AC

39.6 mm = Honda PA50/Hobbit/Camino

39.7 mm = Yamaha DT50MX, FS1, RD50, RD60 motorcycles

39.7 mm = Kreidler shifter

39.7 mm = Kreidler Flory 2-Speed

39.7 mm = Sachs 50SW

40.0 mm = Derbi shifter (85 mm conrod length)

40.8 mm = KTM 65 SX

41.0 mm = Jawa 207,210

41.4 mm = Kymco scooter

41.4 mm = Honda MT5/NSR50/NS50/MTX-sh/MTX-ot/MB5/MBX50/MBX80 shifter

41.6 mm = Motobecane AV7/AV10

41.6 mm = Kawasaki AR50/80 shifter

41.6 mm = Kawasaki KX65

41.8 mm = Zundapp shifter

41.8 mm = Morini shifter

42.0 mm = Demm single speed (Smiley/Scout/Dove)

42.0 mm = Minarelli RV4

42.0 mm = Sachs 504 and 505 (A, B, C motors)

43.0 mm = Minarelli V1

43.0 mm = Gilardoni 43mm stroke cylinder (Minarelli horizontal LC)

43.0 mm = Simonini 80cc cylinder (Vespa)

43.0 mm = Parmakit 80cc cylinder (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 cylinder (Piaggio AC+LC)

44.0 mm = Sachs 504 and 505 "D" crank

44.0 mm = Fabrizi 44mm stroke cylinder (Piaggio LC)

44.0 mm = Simonini 80cc cylinder (Minarelli horizontal LC)

44.0 mm = 2FAST4RACE 44mm stroke cylinder (Minarelli horizontal LC and Piaggio LC)

45.8 mm = Kawasaki KX85

45.8 mm = Simonini 89.9cc cylinder (Minarelli AM6)

46.0 mm = Simonini 90.23cc cylinder (Minarelli AM6)

46.0 mm = Simonini 100cc engine (Vespa)

47.0 mm = Zundapp KS-80 (AC and LC)

48.95 mm = KTM 85 SX

50.8 mm = MT8/MB8 shifter

54.0 mm = Zundapp KS-175


Original from Puchforum.com

Translated by SchijnHeilig





MBK 51, engine AV10, stock stroke 41.8mm :

49.0 mm = 78,8cc

47.0 mm = 72,5cc

46.0 mm = 69,4cc

45.5 mm = 67,9cc

39.0 mm = 49,9cc

MBK 51, engine AV10, long stroke (Malossi MHR crank) 43.8mm :

49.0 mm = 82.6cc

47.8 mm = 78.7cc

47.0 mm = 76cc

46.0 mm = 72.8cc

45.5 mm = 71.2cc

MBK av10 Gr 2, Gr3, Europe, short stroke 39.7mm :

40.0 mm = 49.8cc

Peugeot 103 stock stroke 39.1mm :

50.0 mm = 76,7cc

48.0 mm = 70,7cc

47.0 mm = 67,8cc

46.0 mm = 65cc

45.5 mm = 63,7cc

40.0 mm = 49,9cc

Peugeot 103, long stroke (Malossi MHR crank) 43mm :

50.0 mm = 84,4cc

48.0 mm = 77,8cc

47.0 mm = 74,6cc

46.0 mm = 71,6cc

45.5 mm = 69,9cc

40.0 mm = 54cc

Puch maxi, stock stroke 43mm :

47.0 mm = 74,6cc

46.0 mm = 71,4cc

45.0 mm = 68,9cc

44.0 mm = 65,3cc

43.5mm = 63,9cc

42.0 mm = 59,5cc

38.0 mm = 48,7cc

Engine Minarelli V1, stock stroke 39.8mm :

53.0 mm = 87.8cc

51.0 mm = 81.3cc

48.0 mm = 72cc

47.0 mm = 69cc

43.0 mm = 57.8cc

40.0 mm = 50cc

Engine Minarelli V1, long stroke (competition) 42mm :

53.0 mm = 92,6cc

51.0 mm = 85,7cc

48.0 mm = 76cc

47.0 mm = 72,8cc

43.0 mm = 60,9cc

40.0 mm = 52,7cc

Engine Minarelli V1, long stroke (competition) 44mm :

53.0 mm = 97cc

51.0 mm = 89,8cc

48.0 mm = 79,6cc

47.0 mm = 76,3cc

43.0 mm = 63,8cc

40.0 mm = 55,2cc

Engine Minarelli V1, long stroke (competition) 54mm :

57.0 mm = 137,8cc

53.0 mm = 119,1cc

51.0 mm = 110,3cc

Sachs 503, stock stroke 44mm :

48.0 mm = 79.6cc

45.0 mm = 69.9cc

38.0 mm = 49.9cc

Tomos A35, stock stroke 44mm :

44.0 mm = 66.9cc

38.0 mm = 49.9cc

Piaggio (all models) stock stroke 43mm :

47.0 mm = 74,6cc

46.0 mm = 71,4cc

43.0 mm = 62,4cc

41.0 mm = 56,7cc

38.2 mm = 49,2cc

Piaggio (all models) long stroke (competition) 44mm :

47.0 mm = 76,3cc

46.0 mm = 73,1cc

43.0 mm = 63,9cc

41.0 mm = 58cc

38.2 mm = 50,4cc

Engine Simonini Piaggio, bore 48mm x stroke 46mm = 83,2cc

Engine Sprocatti Racing Piaggio, bore 50mm x stroke 46mm : 90,3cc