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 |
