Yamaha YZF 600 R6 (2011) vs Yamaha FZ6R (2011) vs Yamaha WR 125X (2011-12) vs Yamaha YBR 250 Fazer (2011-)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha | Yamaha |
| Model: | YZF 600 R6 | FZ6R | WR 125X | YBR 250 Fazer |
| Years: | 2011 | 2011 | 2011-12 | 2011- |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, forward inclined single cylinder, DOHC, 4 valve | Four stroke, single cylinder, |
| Capacity: | 599 cc / 36.5 cu-in | 599 cc / 36.5 cu-in | 124.7 | 249 cc / 15.2 cu-in |
| Bore x Stroke: | 67 x 42.5 mm | 65.5 x 44.5 mm | 52 x 58.6 mm | 74 x 58 mm |
| Compression Ratio: | 13.1;1 | 12.2:1 | 11.2:1 | 9.8:1 |
| Cooling System: | Liquid cooled | Liquid cooled | LLiquid cooled | Air cooled |
| Induction: | 41 mm Mikuni throttle body F.I. | Group injection type fuel injection | Fuel injection | Injection |
| Ignition: | TCI | Digital TCI | TCI | TCI |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 123.7 hp / 91 kW @ 14500 rpm | 77.5 hp / 57 kW @ 11500 rpm | 10.9 kW / 15 hp @ 9000 rpm | 20.6 hp / 15.4 jW @ rpm |
| Max Torque: | 65.7 Nm / 6.6 kgf-m / 47.7 ft-lb @ 11500 rpm | 51.6 Nm / 6.1 kg-m / 44.1 ft-lb @ 8500 rpm | 12.2 Nm / 1.24 kgf-m @ 6000 rpm | 20.7 Nm / 15.3 ft.lbs) @ 6500 rpm |
| Transmission: | 6 Speed | 6 Speed | 5 Speed | 5 Speed |
| Final Drive: | O-ring chain | Chain | Chain | Chain |
| Frame: | Deltabox aluminium frame with revised rigidity balance | Aluminium die-cast, diamond shaped | Steel double cradle | Steel double cradle |
| Front Suspension: | Fully adjustable 41 mm inverted cartridge fork, | 43mm Telescopic fork, | Telescopic fork | Telescopic forks, 115mm wheel travel |
| Rear Suspension: | Fully adjustable link Monocross; 4-way adjustable, | Swingarm Link less type Monocross, | Swinging arm link suspension | Bottom link swingarm, 120mm wheel travel |
| Front Brakes: | 2x 310mm discs 4 piston calipers | 2x 298 mm discs | Single 298mm disc | Single 282mm disc |
| Rear Brakes: | Single 220mm disc 1 piston caliper | Single 245 mm disc | Single 220mm disc | Drum |
| Front Tyre: | 120/70 ZR17 | 120/70 ZR17 | 110/70-17 | 100/80-M17 |
| Rear Tyre: | 180/55 ZR17 | 160/60 ZR17 | 140/70-17 | 130/70-M17 |
| Wheelbase: | 1375 mm / 54.1 in | 1,440mm / 56.7 in | 1430 mm / 56.3 in | 1360 mm / 53.5 in |
| Seat Height: | 850 mm / 33.5 in | 785 mm / 30.9 in | 920 mm / 36.2 in | 805 mm / 31.7 in |
| Wet Weight: | 189 kg / 415.8 lbs. | 211 kg / 467 lbs | 137 kg / 302 lbs | 138 kg / 304.2 lbs |
| Fuel Capacity: | 17.5 Liters / 3.7 gal | 17.3 Litres / 4.6 gal | 8.5 Litres / 2..2 US gal | 19.2 Litres / 5.0 US gal |