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S p e c s: J125 Starstream
1966 - 1969
amount produced: 16,052
engine: single
cylinder, air cooled 2-stroke
induction: piston ported
bore: 57
mm
stroke: 48
mm
cubic capacity: 122 cc
bhp at rpm: 5.8 @ 5300
compression ratio: 7.4: 1
transmission: 4 speed constant mesh
-
primary drive: 45/14
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1st gear: 14.02: 1
-
2nd gear: 10.11: 1
-
3rd gear: 7.43: 1
-
4th gear: 5.75: 1
lubrication: 2%
carburetor: Dell'Orto SHB 18/16
-
choke: 16 mm
- slide: 6492/1
- main jet: 72
- starter jet: 50
- pilot jet: 40
ignition: contact breaker & points
ignition timing: 24 degrees BTDC
breaker gap: 0.35-0.45 mm
voltage:
6 volt
wheels:
10"
tires: 3.00
x 10
max speed: 55 mph
total dry weight: 198 lbs
click for J125 Starstream electrical page
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