Jawa 644 Chopper

 

 

 

Make Model.

Jawa 644 Chopper

Year

1994

Engine

Two stroke, parallel twin

Capacity

343.4 cc / 21.0 cu in
Bore x Stroke 58 x 65 mm
Compression Ratio 10.2:1
Cooling System Air cooled

Induction

Jikov 28-29 CE horizontal carburetor, slide type

Ignition

Magneto VAPE A67 contactless

Battery

12V, 6Ah

Starting

Kick

Max Power

18 kW / 25 hp @ 5500 rpm

Max Torque

33 Nm / 3.4 kgf-m / 25 ft.lb @ 5250 rpm

Clutch

Multi disc in oil bath

Transmission

4 Speed

Final Drive

Chain

Frame

Tubular, double, closed

Front Suspension

Hydraulic telescopic fork, steel spiral springs

Rear Suspension

Swingarm, hydraulic telescopic in suspension units, spiral springs

Rear Wheel Travel

80 mm / 3.1 in

Front Brakes

265 mm Disc, hydraulic control

Rear Brakes

165 mm Drum, mechanical control

Wheels

Steel, deepened profile, multi-spokes

Front Tyre

90/100-17"

Rear Tyre

100/90-18"

Dry Weight

147 kg / 322 lbs

Fuel Capacity 

15 L / 4.0 US gal