Technical specifications
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| Model: |
644 Chopper |
| Years: |
1994 |
|
Engine:
|
Two stroke, parallel twin
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|
Capacity:
|
343.4 cc / 21.0 cu in
|
|
Bore x Stroke:
|
58 x 65 mm
|
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Compression Ratio:
|
10.2:1
|
|
Cooling System:
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Air cooled
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Induction:
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Jikov 28-29 CE horizontal carburetor, slide type
|
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Ignition:
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Magneto VAPE A67 contactless
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Battery:
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12V, 6Ah
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Starting:
|
Kick
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Max Power:
|
18 kW / 25 hp @ 5500 rpm
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|
Max Torque:
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33 Nm / 3.4 kgf-m / 25 ft.lb @ 5250 rpm
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Clutch:
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Multi disc in oil bath
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Transmission:
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4 Speed
|
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Final Drive:
|
Chain
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Frame:
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Tubular, double, closed
|
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Front Suspension:
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Hydraulic telescopic fork, steel spiral springs
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Rear Suspension:
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Swingarm, hydraulic telescopic in suspension units, spiral springs
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Rear Wheel Travel:
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80 mm / 3.1 in
|
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Front Brakes:
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Ø265 mm Disc, hydraulic control
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Rear Brakes:
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Ø165 mm Drum, mechanical control
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Wheels:
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Steel, deepened profile, multi-spokes
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Front Tyre:
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90/100-17"
|
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Rear Tyre:
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100/90-18"
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Dry Weight:
|
147 kg / 322 lbs
|
|
Fuel Capacity:
|
15 L / 4.0 US gal
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