Yamaha DT 400 (1976-77) vs Kawasaki GPz 250R (1986)
Comparison technical specifications
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| Make: | Yamaha | Kawasaki |
| Model: | DT 400 | GPz 250R |
| Years: | 1976-77 | 1986 |
| Engine: | Two stroke, single cylinder, read valve | Four stroke . parallel twin, DOHC , 4 valve per cylinder |
| Capacity: | 397 cc / 24.2 cu-in | 248 cc / 15.2 cu-in |
| Bore x Stroke: | 85 Ñ… 70 mm | 62 х 41.2mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 6.4:1 | 12.4:1 |
| Induction: | Single 28mm Mikuni carburetor | 2x Keihin CVK30 Constant velocity, diaphragm-type |
| Ignition: | CDI | Electronic advance |
| Starting: | Kick | Electric |
| Max Power: | 23 hp / 17.1 kW @ 5500 rpm | 45 hp / 33.5 kW @ 11000 rpm |
| Max Torque: | 3.8 kg-m / 27.5 lb-ft @ 5000 rpm | 24 Nm / 17.7 lb-ft @ 10000 rpm |
| Transmission: | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic forks | Telescopic forks |
| Rear Suspension: | Swinging arm fork | UNI-TRAK single shock |
| Front Brakes: | Drum | Single 260mm disc |
| Rear Brakes: | Drum | Single 230mm disc |
| Front Tyre: | 3.00-21 | 100/80-16 |
| Rear Tyre: | 4.00-18 | 120/80-16 |
| Wheelbase: | 1410 mm / 55.5 in | 1400 mm / 55.1 in |
| Dry Weight: | 124 kg / 272 lbs | 138 kg / 304 lbs |
| Wet Weight: | 141 kg / 310.9 lbs | 160 kg / 355 lbs |
| Fuel Capacity: | 9 Litres / 2.3 US gal | 18 Litres / 4.7 US gal |