ENGINE
Bore and stroke
Compression ratio
Displacement
Contact breaker point gap
Spark plug gap
Valve tappet clearance
CHASSIS AND SUSPENSION
Caster
Trail
Tire size, front
Tire size, rear
67.0
X
50.6 mm
(2.638X
1.992
in.)
9.3:
1
356
cc
(21.7
cu.-in.)
0.3-0.4
mm (0.012-0.016
in.)
0.7
-0.8 mm (0.028-0.032
in.)
Intake
0.05
mm (0.002
in.),
Exhaust
0.08
mm (0.003
in.)
62°30'
92
mm
(3.6in.)
3.00-18 (4
PR)
3.50-18 (4
PR)
73