Kawasaki GPz 250R (1986) vs Yamaha XVS 1100 V-Star Silverado (2010-11) vs Beta RR 125 Motard (2011-13) vs Yamaha FZX 750 Fazer (1989-)
Comparison technical specifications
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| Make: | Kawasaki | Yamaha | Beta | Yamaha |
| Model: | GPz 250R | XVS 1100 V-Star Silverado | RR 125 Motard | FZX 750 Fazer |
| Years: | 1986 | 2010-11 | 2011-13 | 1989- |
| Engine: | Four stroke . parallel twin, DOHC , 4 valve per cylinder | Four stroke, 75° V-twin cylinder SOHC, 4 valve per cylinder | Four stroke, single cylinder, SOHC | Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder. |
| Capacity: | 248 cc / 15.2 cu-in | 1063 cc / 64.8 cu-in | 123 cc / 7.5 cu in | 749 cc / 45.7 cu-in |
| Bore x Stroke: | 62 х 41.2mm | 95 x 75 mm | 54 x 54 mm | 68 x 51.5 mm |
| Cooling System: | Liquid cooled | Air cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 12.4:1 | 8.3:1 | 10.0:1 | 11.2:1 |
| Induction: | 2x Keihin CVK30 Constant velocity, diaphragm-type | Carburetors | Mikuni 5NH1 carburetor | 4x BDS34 Mikuni carbs |
| Ignition: | Electronic advance | TCI | Moriyama F5HH | Transistorized |
| Starting: | Electric | Electric | Electric & kick | Electric |
| Transmission: | 6 Speed | 5 Speed | 5 Speed | 6 Speed |
| Front Suspension: | Telescopic forks | 41mm telescopic front fork | Hydraulic forks, Ø 41mm | Telescopic forks variable preload 140mm wheel travel, |
| Rear Suspension: | UNI-TRAK single shock | Link-type, preload-adjustable single rear shock | Single shock, adjustable spring preload | Dual shock variable preload 97mm wheel travel, |
| Front Brakes: | Single 260mm disc | 2x 298mm discs 2 piston calipers | Single Ø 260 mm disc | 2x 267mm discs 2 piston calipers |
| Rear Brakes: | Single 230mm disc | Single 282mm disc 1 piston caliper | Single Ø 220 mm disc | Single 267mm disc 2 piston caliper |
| Front Tyre: | 100/80-16 | 130/90-16 | 110/80 - 17 | 110/90 V16 |
| Rear Tyre: | 120/80-16 | 170/80-15 | 130/80 - 17 | 140/90 V15 |
| Dry Weight: | 138 kg / 304 lbs | 285 kg / 627 lbs | 102 kg / 225 lbs | 204 kg / 44+.7 lbs |
| Wet Weight: | 160 kg / 355 lbs | 275kg / 605 lbs | 110 kg / 243 lbs | 221 kg / 487 lbs |
| Fuel Capacity: | 18 Litres / 4.7 US gal | 17 Litres / 4.4 US gal | 5.7 L / 1.5 US gal | 13 Litres / 3.4 US gal |