Yamaha XJ 650 Special (1980) vs Yamaha WR 125 (1990-96) vs Honda XL 250 (1976-77)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Honda |
| Model: | XJ 650 Special | WR 125 | XL 250 |
| Years: | 1980 | 1990-96 | 1976-77 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder, | Two stroke, single cylinder | Four stroke, single cylinder, OHC |
| Capacity: | 653 cc / 39.8 cu-in | 124 cc / 7.6 cu-in | 248 cc / 15.1 cu-in |
| Bore x Stroke: | 63 х 52.4 mm | 54 x 4 mm | 74 X 57.8 mm |
| Cooling System: | Air-cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 9.2:1 | 8.8;1 | 9.1:1 |
| Induction: | 4x 32mm Hitachi carburetors | Car4buretor | Single 28mm Keihin carburettor |
| Ignition: | Transistorized | CDI | Battery and coil |
| Starting: | Electric | Kick | Kick |
| Max Power: | 71 hp / 51.8 kW @ 9400 rpm | NA | 23.4 hp 17.5 KW @ 8000 rpm |
| Max Torque: | 57 Nm / 42 lb-ft @ 7500 rpm | NA | NA |
| Transmission: | 5 Speed | 6 Speed | 5 Speed |
| Final Drive: | Shaft | Chain | Chain |
| Front Suspension: | Telescopic coil spring forks | Marzocchi "Upside-Down" telescopic hydraulic fork with advanced axle; compression and rebound stroke adjustment | Telescopic forks |
| Rear Suspension: | Dual chocks swinging arm | Sachs progressive "Soft Damp" type with single hydraulic shock absorber; spring preload adjustment, compression and rebound adjustment | Swinging fork |
| Front Brakes: | Single 298mm disc 1 piston caliper | Single disc | 150 mm Drum |
| Rear Brakes: | Drum | Single disc | 140 mm Drum |
| Front Tyre: | 3.25 H19 | 80/90-21 | 2.75 -21 |
| Rear Tyre: | 130/90 H16 | 110/80-18 | 4.00 -18 |
| Fuel Capacity: | 13 Litres / 3.4 US gal | 9.5 Litres / 2.5 US gal | 9.5 Litres / 1.7 US gal |