Engine Detail:
SOHC, 4-stroke, 4-valve
Engine Capacity (cc / Ci ):
641cc / 39.12
Engine Valves:
SOHC
Valve Configuration:
4-valve
Total Valves:
4
Engine Type:
4-stroke
Engine Cooling:
Liquid-Cooled with fan
Engine Cylinders:
Single-Cylinder
Engine Braking:
Engine Braking System
Displacement To Weight CC:
0.89
Bore Stroke(mm):
98mm x 85mm
Bore Stroke(in):
3.86in. x 3.35in.
Fuel System:
Carburetor
Fuel System Brand:
Keihin
Carburetor Size MM:
40
Fuel Type:
Petrol
Ignition:
Electric / Pull