VBB2T

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Contents

Specifications

Serial Range

1962 VBB2T 146001-155712
1963 VBB2T 155713-198232
1964 VBB2T 198233-240757
1965 VBB2T 240758-273260
1966 VBB2T 273261-279948
1967 VBB2T 279949-280148

Engine

145.5 cc single cylinder, air cooled 2-stroke
barrel: 2 transfer ports
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

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 - 50w

Wheels

wheel hubs: cast w/cooling fins
tires:3.00 x 8

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