VBB1T
From scoot.net
The Vespa 150 VBB1T was the initial range of the VBB model.
See also: VBB2T
Contents |
Specifications
Serial Range
1960 150 VBB1T 1001-16070
1961 150 VBB1T 16071-96683
1962 150 VBB1T 96684-146000
Engine
145.5 cc single cylinder, air cooled 2-stroke
induction: disc valve
bore: 57 mm
stroke: 57 mm
compression ration: 6.5: 1
bhp at rpm: 5.5 @ 5000
lubrication:2%
Transmission
4 speed constant mesh
primary drive: 22/67
1st gear: 13.35: 1
2nd gear: 9.32: 1
3rd gear: 6.64: 1
4th gear: 4.73: 1
clutch: wet - multiplate
Carburetor
Before serial #31001
Dell'Orto SI 20/17B
After serial #31001
Dell'Orto SI 20/17C
main jet: 100
slow running jet: 42
diffuser: BE/1
main air bleed: 185
throttle valve: No 7.0
Electrical
ignition: contact breaker & coil
ignition timing: 28 deg. BTDC
breaker gap: 0.3 - 0.5 mm
voltage: 6 volt
max stator output: 6v - 35w
Wheels
wheel hubs: cast w/cooling fins
tires:3.00 x 8
