S p e c s: VLB1T

1965 - 1974
engine: single cylinder, air cooled 2-stroke
barrel: 2 transfer ports
induction: disc valve
bore: 57 mm
stroke: 57 mm
cubic capacity: 145.5 cc
compression ration: 7.5: 1
bhp at rpm: 7.1 @ 5000
lubrication: 2% (USA autolube)
transmission: 4 speed constant mesh
primary drive: 22 clutch - 67 input shaft
1st gear: 14.46: 1
2nd gear: 10.28: 1
3rd gear: 7.36: 1
4th gear: 5.36: 1
clutch: wet - multiplate
lubrication:2%
carburetor: Dell'Orto SI 20/17D
main jet: 102
slow running jet: 42
diffuser: E1
main air bleed: 140
throttle valve: No 0
starter jet: 60
ignition: contact breaker & coil
ignition timing: 22 deg. BTDC
breaker gap: 0.3 - 0.5 mm
voltage: 6 volt
max stator output: 6v - 50w
wheels: 10"
tires: 3.50 x 10
max speed: 62 mph
 
150 SPRINT LINKS:
 
Thanks to Hermenegildo Lourenco for the images of a 1967 Sprint