Suzuki GS 1100G (1982-84) vs Yamaha YS 250 Fazer BlueFlex (2013-) vs Moto Guzzi V7 III Stone (2017-18) vs Yamaha YZF-R7 (2022)
Comparison technical specifications
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| Make: | Suzuki | Yamaha | Moto Guzzi | Yamaha |
| Model: | GS 1100G | YS 250 Fazer BlueFlex | V7 III Stone | YZF-R7 |
| Years: | 1982-84 | 2013- | 2017-18 | 2022 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder. | Four stroke, single cylinder, SOHC, 2valve | Four stroke, V twin, longitudinally mounted, OHV, 2 valves with light alloy pushrods and rockers. | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 1074 cc / 65.5 cub. in. | 250 cc / 15.2 cu-in | 744 cc / 45.4 in | 689 cc / 42.04 cu-in |
| Bore x Stroke: | 72 x 66 mm | 74 x 58 mm | 80 x 74 mm | 80 x 68.6 mm |
| Cooling System: | Air cooled | Air cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 8.8:1 | 9.8;1 | 9.6:1 | 11.5:1 |
| Induction: | 4x 34mm Mikuni BS34SS carburetors. | Weber- Marelli electronic injection | Mikuni 38 mm dual bore throttle body F.I. | |
| Ignition: | Transistorized pointless | TCI | Magneti Marelli electronic digital | TCI Transistor Controlled Ignition |
| Starting: | Starting | Electric | Electric | Electric |
| Max Power: | 92 hp / 68.6 kW @ 8000 rpm | 20 hp / 14.9 kW @ 7500 rpm | 38 kW / 52 hp @ 6200 rpm | 55 kW / 74.8 hp @ 8750 rpm |
| Max Torque: | 86.7 Nm / 8.85 kgf-m / 64 lb-ft @ 7000 rpm | 2.1 kg-fm / 15.1 lb-ft @ 6500 rpm | 60 Nm / 44.2 lb-ft @ 4900 rpm | 68 Nm / 50 lb-ft @ 6500 rpm |
| Transmission: | 5 Speed constant mesh | 5 Speed | 6 Speed | 6 Speed constant mesh |
| Final Drive: | Shaft | Chain | Shaft | Chain |
| Front Suspension: | Telescopic , 4-way adjustable oil dampened | Telescopic forks | Marzocchi Ø 40 mm telescopic front forks | 41mm Telescopic fork, adjustable for preload, rebound and compression |
| Rear Suspension: | Swinging arm, oil dampened twin shocks, spring over, 4-way dampening and -way spring adjustable | Monoshock | Die-cast alloy swing arm with 2 shocks with adjustable spring preload (Öhlins fully adjustable for Racer) | Linked-type Monocross shock, adjustable preload and rebound |
| Front Brakes: | 2x Discs | Single 282mm disc | Single 320mm disc 2 piston caliper | 2x 298mm discs, 4-piston calipers |
| Rear Brakes: | Single disc | 130mm Drum | Single 260mm disc 2 piston caliper | Single 245mm disc, single piston caliper |
| Front Tyre: | 3.50 V19-4PR | 100/80 17 | 100/90 18 | 120/70ZR17M/C (58W) Tubeless |
| Rear Tyre: | 4.50 V17-4PR | 130/70 17 | 130/80-17 | 180/55ZR17M/C (73W) Tubeless |
| Fuel Capacity: | 22 Litres / 5.8 US gal / 4.8 Imp gal | 19,2 Litres / 5.0 US gal | 21 Litres / 5.5 US gal | 13 Litres / 3.4 US gal |