Engine and transmission
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Engine type: | 1 cylinders, 4-stroke, Single |
Displacement: | 640 cc (39.1 cubic inches) |
Bore × stroke: | 3.74 inch × 3.56 inch (oversquare - shortstroke) |
Cooling system: | Air cooled |
Power: | 45.68 HP (33.6 kW) @ 6800 rpm |
Throttle: | Cable operated |
Valves | |
Valve train: | SOHC, variable |
Valves per cylinder: | 4 |
Fuel and ignition | |
Sparks per cylinder: | 1 |
Compression: | 9.7:1 |
Engine mounting: | Transverse |
Lubrication system: | Wet sump |
Gear box: | Manual 5-speed |
Clutch: | Wet, cable operated |
Final drive: | Chain |
Spark plug pipe type: | NGK, DPR9EA-9 |
Motor oil: | 10W/40 |
Dimensions
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Weight | |
Curb weight: | 429.9 lbs |
Chassis and suspension
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Frame type: | steel, Single cradle frame |
Front | |
Suspension: | Cartridge |
Brake: | Single Disk |
Tire: | 90 / 90 R21 |
Tire pressure: | 0.12 PSI |
Rear | |
Suspension: | mono shock, Swingarm |
Brake: | Disk |
Tire: | 120 / 90 R17 |
Tire pressure: | 0.14 PSI |
Other
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ABS available: | No |
Power-to-weight ratio: | 0.17 KW/lbs (5.80 lbs/HP) |
Top speed: | 96.93 mph |
Fuel capacity: | 5.28 gals |
Number of riders: | 2 persons |
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