Yamaha DT-1 250 (1968-70) vs Suzuki GSX 250S Katana (1992) vs Kawasaki GPX 750R (1986-87)
Comparison technical specifications
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| Make: | Yamaha | Suzuki | Kawasaki |
| Model: | DT-1 250 | GSX 250S Katana | GPX 750R |
| Years: | 1968-70 | 1992 | 1986-87 |
| Engine: | Two stroke, single cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinders, DOHC, 4 valve per cylinder |
| Capacity: | 246 cc / 15.0 cu-in | 249 cc / 15.2 cu in | 742 cc / 45.6 cu-in |
| Bore x Stroke: | 70 x 64 mm | 49 x 33 mm | 68 x 51.5 mm |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 6.4:1 | 12.5:1 | 11.2:1 |
| Induction: | Carburetor | 2 x Mikuni 29 mm carburetors | 4x 34mm Keihin CV carburetors |
| Ignition: | Flywheel magneto | Digital | TCI (Transistor Controlled Ignition) |
| Starting: | Kick | Electric | Elctric |
| Max Power: | 22.8 hp / 16.8 kW @ 7000 rpm | 29.8 kW / 40 hp @ 13500 rpm | 106 hp / 74.5 kW @ 10500 rpm |
| Max Torque: | 23.7 Nm / 17.5 lb-ft @ 6500 rpm | 26.4 Nm / 2.7 kgf-m / 19.5 ft-lb @ 10000 | 77.8 Nm / 57.3 lb-ft @ 8500 rpm |
| Transmission: | 5 Speed | 6 Speed, constant mesh | 6 Speed |
| Final Drive: | Chain | Chain | Chain |
| Frame: | Duplex cradle | Steel double pipe cradle | Steel, Double cradle frame |
| Front Suspension: | Telescopic forks | 37 mm Telescopic forks | 38mm Telehydraulic forks electrically activated anti-dive |
| Rear Suspension: | Dual shocks | Swingarm, dual shocks, 4-way preload and 4-way rebound damping adjustable | Unit-track air assisted 4-way rebound damping adjustment. |
| Front Brakes: | Drum | Single 300 mm disc, 2 piston caliper | 2x 270mm discs 4 piston calipers |
| Rear Brakes: | Drum | Single 240 mm disc | Single 230mm disc 2 piston caliper |
| Front Tyre: | 3.25 -19 | 110/70-H17 | 110/90-16 |
| Rear Tyre: | 4.00 -18 | 140/70-H17 | 140/70-18 |
| Wheelbase: | 1389.3 mm / 54.7 in | 1435 mm / 56.5 in | 1495 mm / 58.6 in |
| Dry Weight: | 111 kg / 245 lbs | 160 kg / 352 lbs | 195 kg / 430 lbs |
| Fuel Capacity: | 9 Litres / 2.5 US gal | 17 L / 4.5 US gal / 3.7 Imp gal | 21 Litres / 5.5 US gal |