Kawasaki Z 650 (1980-81) vs Honda XR 250R (1986)
Comparison technical specifications
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| Make: | Kawasaki | Honda |
| Model: | Z 650 | XR 250R |
| Years: | 1980-81 | 1986 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder | Four-stroke, single cylinder SOHC, 4 valve, RFVC (Radial Four Valve Combustion Chamber) |
| Capacity: | 652 cc / 39.7 in | 249 cc / 15.1 cu-in |
| Bore x Stroke: | 62 х 54 mm | 75 x 56.5 mm |
| Cooling System: | Air cooled | Air cooled |
| Compression Ratio: | 9.5:1 | 10.2:1 |
| Induction: | 4x 28mm Mikuni carburetors | 2x 21mm Keihin carbs |
| Ignition: | CDI | CDI |
| Starting: | Electric & kick | Kick |
| Max Power: | 66 hp / 48.2 kW @ 8500 rpm | 30 hp / 21.9 kW @ 8500 rpm |
| Max Torque: | 5.8 kgf-m / 57 Nm @ 7000 rpm | 24.5 Nm @ 7000 rpm |
| Transmission: | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Gear Ratio: | 1st 15.63:1 2nd 10.93:1 3rd 8.52:1 4th 6.97:1 5th 5.97:1 | 1st 2.769 2nd 1.882 3rd 1.380 4th 1.083 5th 0.923 6th 0.814 |
| Front Suspension: | Telescopic hydraulic fork | Leading axel air spring 37mm forks |
| Rear Suspension: | Swinging fork | Pro-link Kayaba damper adjustment for spring preload and rebound damping |
| Front Brakes: | Single 275mm disc | Single 240mm disc 2 piston calipers |
| Rear Brakes: | 180mm Drum | Drum |
| Front Tyre: | 3.25-19 | 80/100-21 |
| Rear Tyre: | 4.00-18 | 110/90-17 |
| Rake: | 27º | 26° |
| Trail: | 106 mm / 4.2 in | 105 mm / 4.1 in |
| Wheelbase: | 1437 mm / 56.6 in | 1365 mm / 53.7 in |
| Wet Weight: | 220 kg / 485.0 lbs | 112 kg / 247 lbs |
| Fuel Capacity: | 16.5 Litres / 4.3 US gal | 9 Litres / 2.4 gal |