The Jawa 640 Sport motorcycle was released in 1995 with a two stroke, parallel twin engine and a capacity of 343.4 cc. It has a compression ratio of 9.8:1 and cooling system that uses air. The Jikov 28-29 CE horizontal carburetor, slide type is what it uses for induction and it has a Magneto VAPE A67 contactless ignition with a 12v, 6Ah battery. The motorcycle has a maximum power of 17.2 kW / 23.5 hp at 5250 rpm and a maximum torque of 31.4 Nm / 3.2 kgf-m / 23.2 ft.lb at 4750 rpm. It uses a 4-speed transmission and has a multi disc in oil bath clutch. The frame is tubular, double and closed while the front suspension is hydraulic telescopic fork, steel spiral springs. The front brakes are ~A265 mm disc, hydraulic control while the rear brakes are ~A165 mm drum, mechanical control. The motorcycle has a dry weight of 149 kg / 328 lbs, ground clearance of 120 mm / 4.7 in, and a fuel capacity of 17 L / 4.5 US gal with a fuel reserve of 2.8 L / 0.74 US gal.
Technical specifications:
Make Model: Jawa 640 Sport
| Year | 1995 |
|---|---|
| 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 |
