S p e c s: 150D Series III

1956 - 1956
amount produced: 20,835
engine: single cylinder, air cooled 2-stroke
induction: piston ported
bore: 57 mm
stroke: 58 mm
cubic capacity: 148 cc
compression ratio: 6.5: 1
bhp at rpm: 6 @ 4750
transmission: 3 speed (hand change)
1st gear: 12.9: 1
2nd gear: 7.5: 1
3rd gear: 4.75: 1
lubrication: 6%
carburetor: Dell'Orto MA 19 B4
choke: 19 mm
main jet: 72
throttle valve: N75
atomizer: 255B
starter jet: 50 (before engine no 8200)
starter jet: 75 (after engine no 8201)
needle: D3
needle position: no. 2
ignition: contact breaker & points
ignition timing: 24-26 degrees BTDC
breaker gap: 0.3-0.4 mm
voltage: 6 volt
wheels: 8"
wheel hubs: cast
tires: 4.00 x 8
max speed: 49 mph
total dry weight: 165 lbs
click for 150 D parts manual