Suzuki GSX-R 400 (1984) vs Jawa 638 (1994)
Comparison technical specifications
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| Make: | Suzuki | Jawa |
| Model: | GSX-R 400 | 638 |
| Years: | 1984 | 1994 |
| Engine: | Four stroke, transverse four cylinder, DOHC 4 valves per cylinder. TSCC | Two stroke, parallel twin |
| Capacity: | 398 cc / 24.3 cu-in | 343.4 cc / 21.0 cu in |
| Bore x Stroke: | 53 x 45.2 mm | 58 x 65 mm |
| Cooling System: | Liquid cooled | Air cooled |
| Compression Ratio: | 11.5:1 | 9.8:1 |
| Induction: | 2 x AS27VW carburetors | Jikov 28-29 CE horizontal carburetor, slide type |
| Ignition: | CDI | Magneto VAPE A67 contactless |
| Starting: | Electric | Kick |
| Max Power: | 44 kW / 59 hp @ 11000 rpm | 17.2 kW / 23.5 hp @ 5250 rpm |
| Max Torque: | 39.2 Nm / 4.0 kgf-m / 28.9 lb-ft @ 9000 rpm | 31.4 Nm / 3.2 kgf-m / 23.2 ft.lb @ 4750 rpm |
| Clutch: | Wet multi-plate | Multi disc in oil bath |
| Transmission: | 6 Speed, constant mesh | 4 Speed |
| Final Drive: | Chain | Chain |
| Frame: | Aluminum angular pipe double cradle | Tubular, double, closed |
| Front Suspension: | Telescopic forks | Hydraulic telescopic fork, steel spiral springs |
| Rear Suspension: | Full floater swing arm, non-adjustable | Swingarm, hydraulic telescopic in suspension units, spiral springs |
| Front Brakes: | 2 x Discs, 4 piston calipers | Ø265 mm Disc, hydraulic control |
| Rear Brakes: | Single disc, 2 piston caliper | Ø165 mm Drum, mechanical control |
| Rear Tyre: | 140/90-18 | 2.15 B x 18" |
| Dimensions: | Length 2090 mm / 82.3 in Width 710 mm / 28.0 in Height 1185 mm / 46.7 in | Length: 2100 mm / 82.7 in Width: 780 mm / 30.7 in Height: 1160 mm / 45.7 in |
| Wheelbase: | 1425 mm / 56.1 in | 1370 mm / 53.9 in |
| Seat Height: | 780 mm / 30.7 in | 820 mm / 32.3 in |
| Dry Weight: | 152 kg / 334 lbs | 149 kg / 328 lbs |
| Fuel Capacity: | 15 Litres / 3.96 US gal / 3.3 Imp gal | 17 L / 4.5 US gal |