Yamaha RD 250 (1976) vs Yamaha GTS1000 / ABS (1995-96) vs Yamaha WR 250F (2001-02)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha |
| Model: | RD 250 | GTS1000 / ABS | WR 250F |
| Years: | 1976 | 1995-96 | 2001-02 |
| Engine: | Two stroke, torque induction, parallel twin | Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder. | Four stroke, single cylinder, DOHC, 5 valve |
| Capacity: | 247 cc / 15.0 cu-in | 1002 cc / 61.2 cu-in | 249 cc / 15.2 cu-in |
| Bore x Stroke: | 54 х 54 mm | 75.5 X 56 mm | 77 x 53.6 mm |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled, |
| Compression Ratio: | 6.7:1 | 10.8:1 | 12.5:1 |
| Lubrication: | Autolube | Wet sump | Dry sump |
| Induction: | 2x Mikuni VM28 SC carburetor | Electronic fuel infection. | Keihin FCR-MX37 flat-slide w/throttle position sensor) |
| Ignition: | Battery and coil with breaker points | Digital | Digital CDI |
| Starting: | Kick | Electric | Electric & Kick |
| Clutch: | Wet multi-plate | Wet, multiple discs, cable operated | Wet, multiple discs, cable operated |
| Transmission: | 6 Speed | 5 Speed | 5 Speed |
| Final Drive: | Chain | Chain | Chain |
| Front Suspension: | Telescopic forks | Single sided swingarm variable preload, compression and rebound damping | 48mm Fully adjustable inverted forks |
| Rear Suspension: | Dual shocks | Monocross variable preload, compression and rebound damping | Fully adjustable link Monocross |
| Front Brakes: | Single disc | Single 330mm disc 6 piston caliper with ABS | Single 250mm disc 2 piston caliper |
| Rear Brakes: | Drum | Single 282mm disc 2 piston caliper | Single 240mm disc 1 piston caliper |
| Front Tyre: | 3.00S-18-4PR | 130/60 ZR17 | 80/100-21 |
| Rear Tyre: | 3.50S-18-4PR | 170/60 ZR17 | 100/100-18 |
| Dimensions: | Length 2030 mm / 79.9 in Width 830 mm / 32.6 in Height 1085 mm / 42.7 in | Length 2170 mm / 85.4 in Width 700 mm / 27.5 in Height 1320 mm / 51.9 in | Height 1275 mm / 50.2 in Width 826 mm / 32.5 in Length 2315 mm / 91.1 in |
| Wheelbase: | 1325 mm / 52.1 in | 1495 mm / 58.9 in | 1475 mm / 58.1 in |
| Dry Weight: | 152 kg / 335 lbs | 246.0 kg / 542.3 lbs | 106 kg / 233.2 lbs |
| Fuel Capacity: | 16.5 Liters / 4.2 US gal | 20 Litres / 5.28 gal | 8 Liters / 2.1 US gal |