Yamaha FZR250 (1986-87) vs Yamaha YZF 1000 R1 (2011) vs Yamaha XV 950 (2014-15) vs Yamaha DT-3 250 (1973)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha | Yamaha |
| Model: | FZR250 | YZF 1000 R1 | XV 950 | DT-3 250 |
| Years: | 1986-87 | 2011 | 2014-15 | 1973 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, 60°V-cylinder, SOHC, 4 valve per cylinder | Two stroke, single cylinder |
| Capacity: | 249 cc / 15.2 cu-in | 998 cc / 60.9 cu-in | 942 cc / 57.4 in-in | 246 cc / 15.0 cu-in |
| Bore x Stroke: | 48 х 34.5 mm | 78 X 52.2 mm | 85 x 83mm | 70 x 64 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled | Air cooled |
| Compression Ratio: | 12.0:1 | 12.8:1 | 9.0:1 | 6.8:1 |
| Induction: | MIKUNI BDS2600 carburetor | Mikuni 45mm throttle body FI | 35mm dual bore throttle body fuel injection | 26mm Mikuni carburetor |
| Ignition: | CDI | TCI: Transistor Controlled Ignition | Digital TCI | Flywheel magneto |
| Starting: | Electric | Electric | Electric | Kick |
| Max Power: | 45 hp / 32.8 kW @ 14500 rpm | 133.9 kW / 182 hp @ 12500 rpm | 51.3 hp / 38.3 kW @ 5500 rpm | 24 hp / 17.8 kW @ 7000 rpm |
| Max Torque: | 25 Nm / 2 kgf-m @ 11500 rpm | 115.5 Nm / 11.8 kgf-m @ 10000 rpm | 7.8 kgf-m / 56.7 ft-lb / 79.5 Nm @ 3000rpm | 24.8 Nm / 18.3 lb-ft @ 6000 rpm |
| Transmission: | 6 Speed | 6 Speed | 5 Speed | 5 Speed |
| Final Drive: | Chain | "O" ring chain | Belt | Chain |
| Frame: | Steel | Deltabox V aluminium | Double cradle | Duplex cradle |
| Front Suspension: | Telescopic forks | 43mm inverted telescopic fork w/adjustable preload, compression damping, rebound damping; | Telescopic | Telescopic forks |
| Rear Suspension: | Monoshcok | Single shock w/piggyback reservoir; adjustable for hi-/lo-speed compression damping, rebound damping, spring preload, | Swing arm | Dual shocks |
| Front Brakes: | Single 320mm disc 4 piston caliper | 2x 310mm discs 6 piston calipers | Single 298mm disc | Drum |
| Rear Brakes: | Single 210mm disc 2 piston caliper | Single 220mm disc 1 piston caliper | Single 298mm disc | Drum |
| Front Tyre: | 100/80--17 | 120/70 ZR17 | 100/90-19M/C 57H | 3.25-19 |
| Rear Tyre: | 120/80-17 | 190/55 ZR17 | 150/80-16M/C 71H | 4.00-18 |
| Wheelbase: | 1375 mm / 54.1 in | 1415 mm / 55.7 in | 1570 mm / 61.8 in | 1389.3 mm / 54.7 in |
| Seat Height: | 750 mm / 29.5 in | 835 mm / 32.8 in | 690 mm / 27.2 in | 813 mm / 32 in |
| Fuel Capacity: | 12 Litres / 3.1 in | 18 Litres / 4.8 gal | 12 Litres / 3.17 gal | 9 Litres / 2.5 US gal |