Jawa 640 Tramp (1997)

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The Jawa 640 Tramp is a 1997 motorcycle with a two-stroke, parallel twin engine that has a capacity of 343.4 cc. It has a compression ratio of 9.8:1 and is air-cooled. The Jikov 28-29 CE horizontal carburetor, slide type is used for induction and the ignition is a Magneto VAPE A67 contactless with a 12V, 6Ah battery. The motorcycle has kick-start and a maximum power of 23.5 hp at 5250 rpm. It has a multi-disc clutch in oil bath, 4-speed transmission and a chain final drive with gear ratios of 1st 14.50 / 2nd 8.60 / 3rd 6.10 / 4th 4:96:1. The frame is tubular, double, and closed with hydraulic telescopic fork, steel spiral springs for the front suspension and swingarm, hydraulic telescopic in suspension units, spiral springs for the rear suspension. The front brakes use an A265 mm disc with hydraulic control and the rear brakes use an A165 mm drum with mechanical control. The wheels are steel, deepened profile, multi-spokes with a front wheel size of 2.15 B x 18″ and a rear tyre size of 2.15 B x 18″. The motorcycle has a length of 2100 mm, width of 780 mm, height of 1160 mm, wheelbase of 1370 mm, ground clearance of 120 mm, seat height of 820 mm, and turning radius of 3.5 m. It weighs 162 kg (357 lbs) when wet and can carry a maximum weight of 342 kg (754 lbs). Its fuel capacity is 17 L (4.5 US gal) with a fuel reserve of 2.8 L (0.74 US gal).

Technical specifications:

Make Model: Jawa 640 Tramp

Year: 1997


Engine: Two stroke, parallel twin
Capacity: 343.4 cc / 21.0 cu in
Bore x Stroke: 58 x 65 mm
Compression Ratio: 9.8:1
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: 17.2 kW / 23.5 hp @ 5250 rpm
Max Torque: 31.4 Nm / 3.2 kgf-m / 23.2 ft.lb @ 4750 rpm
Clutch: Multi disc in oil bath
Transmission: 4 Speed
Final Drive: Chain
Gear Ratios: 1st 14.50 / 2nd 8.60 / 3rd 6.10 / 4th 4:96:1

Frame: Tubular, double, closed
Front Suspension: Hydraulic telescopic fork, steel spiral springs
Front Wheel Travel: 150 mm / 5.9 in
Rear Suspension: Swingarm, hydraulic telescopic in suspension units, spiral springs
Rear Wheel Travel: 80 mm / 3.1 in
Front Brakes: ~A265 mm Disc, hydraulic control
Rear Brakes: ~A165 mm Drum, mechanical control
Wheels: Steel, deepened profile, multi-spokes
Front Wheel: 2.15 B x 18″
Rear Tyre: 2.15 B x 18″
Dimensions: Length: 2100 mm / 82.7 in Width: 780 mm / 30.7 in Height: 1160 mm / 45.7 in
Wheelbase: 1370 mm / 53.9 in
Ground Clearance: 120 mm / 4.7 in
Seat Height: 820 mm / 32.3 in
Turning Radius: 3.5 m / 11.5 ft
Dry Weight: 149 kg / 328 lbs
Wet Weight: 162 kg / 357 lbs
GVWR: 342 kg / 754 lbs
Fuel Capacity: 17 L / 4.5 US gal
Fuel Reserve: 2.8 L / 0.74 US gal

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