Yamaha XS 850G (1980) vs Yamaha FZR 250R (1990-92) vs Yamaha MT-07 / FZ07 (2017) vs Yamaha RS 100 (1976-77) vs Yamaha XVS 250 V-Star (2014-15)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha | Yamaha | Yamaha |
| Model: | XS 850G | FZR 250R | MT-07 / FZ07 | RS 100 | XVS 250 V-Star |
| Years: | 1980 | 1990-92 | 2017 | 1976-77 | 2014-15 |
| Engine: | Four stroke, transverse three cylinder, DOHC, 2 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Two stoke, torque induction, single | Four stroke, V-twin cylinder, SOHC, 2 valves per cylinder. |
| Capacity: | 826 cc / 50.4 cu in | 249 cc / 15.2 cu-in | 689 cc / 42.04 cu-in | 97 cc / 5.9 cu-in | 249 cc / 15.1 cu/in |
| Bore x Stroke: | 71.5 x 68.6 mm | 48 х 34.5 mm | 80 x 68.6 mm | 52 x 45.6 mm | 49 x 66 mm |
| Compression Ratio: | 9.2:1 | 12.0:1 | 11.5:1 | 7.0 : 1 | 10.0:1 |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled | Air cooled | Air cooled |
| Induction: | 3 x 34mm Hitachi carburetors | MIKUNI BDS2600 carburetor | Mikuni 38 mm dual bore throttle body F.I. | VM20SH carburetor | 26mm Mikuni BDS26 carburetor |
| Ignition: | Battery powered triggered | CDI | TCI Transistor Controlled Ignition | Magneto, CB/coil | TCI (Transistor Controlled Ignition) |
| Starting: | Electric | Electric | Electric | Kick | Electric |
| Max Power: | 57.7 kW / 79 hp @ 8500 rpm | 45 hp / 32.8 kW @ 14500 rpm | 55 kW / 74.8 hp @ 9000 rpm | 11 hp / 8.1 kW @ 8500rpm | 21 hp / 15.4 kW @ 8000 rpm |
| Transmission: | 5 Speed | 6 Speed | Constant Mesh | 5 Speed | 5 Speed |
| Final Drive: | Shaft | Chain | Chain | Chain | Chain |
| Front Suspension: | Air assisted telescopic forks, 175mm wheel travel. | 38mm Telescopic forks | 41mm Telescopic forks | Telescopic forks | 33 mm Telescopic fork with 140mm wheel travel. |
| Rear Suspension: | Swing arm 4-way adjustable damping, 99 wheel travel | Monoshock preload adjustable. | Swinging arm | Dual shocks | Dual shock Swinging arm with 100mm wheel travel. |
| Front Brakes: | 2 x 267mm Discs, 1 piston calipers | 2x 285mm discs 4 piston calipers | 2x 282mm discs | Drum | Single 282mm disc |
| Rear Brakes: | Single 267mm disc, 1 piston caliper | Single 210mm disc 2 piston caliper | Single 245mm disc | Drum | 130mm drum |
| Front Tyre: | 3.25-19 | 100/80--17 | 120/70 ZR 17M/C(58W) (Tubeless) | 2.75-18 | 3.00 18 |
| Rear Tyre: | 4.00-18 | 130/70-17 | 180/55 ZR 17M/C(73W) (Tubeless) | 3.00-18 | 130/90-15 |
| Fuel Capacity: | 24 Litres / 6.3 US gal | 14 Litres / 3.7 US gal | 14 Litres / 3.7 US gal | 10 Litres / 2.6 US gal | 9.5 Liters / 2.5 US gal |