S p e c s: 125 B

1948 - 1950
amount produced: 35,014
engine: single cylinder, air cooled 2-stroke
induction: piston ported
bore: 52 mm
stroke: 58 mm
cubic capacity: 123 cc
compression ratio: 6:1
bhp at rpm: 4.1 @ 4500
transmission: 3 speed (foot change)
first gear: 12.3: 1
second gear:6.12: 1
third gear:4.17: 1
lubrication: 5%
carburetor: Dell'Orto MA 16
choke: 16 mm
slide: 55
main jet: 65
atomiser: 260
needle:L9
ignition: contact breaker & points
ignition timing: 26-28 degrees BTDC
breaker gap: 0.3-0.4 mm
voltage: 6 volt
wheels: 8"
wheel hubs: pressed steel
tires: 3.50 x 8
max speed: 40 mph
total dry weight: 121 lbs