BMW K 1600 GTL (2011) vs Yamaha YZF-R 125 WGP 50th Anniversary (2012) vs Boxer Gladiator () vs Kawasaki GPz 1100-B2 / Z 1100GP (1982)
Comparison technical specifications
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| Make: | BMW | Yamaha | Boxer | Kawasaki |
| Model: | K 1600 GTL | YZF-R 125 WGP 50th Anniversary | Gladiator | GPz 1100-B2 / Z 1100GP |
| Years: | 2011 | 2012 | 1982 | |
| Engine: | Four stroke, transverse six cylinder, 4 valves per cylinder | Four stroke, single cylinder, SOHC, 4 valve | Four strike, transverse four cylinders, DOHC, 4 valve per cylinder. Triumph Daytona 1000 | Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder. |
| Capacity: | 1649 cc / 100.6 cu in. | 124 cc / 7.6 cu-in | 998 | 1089 cc / 66.4 cu-in |
| Bore x Stroke: | 72 x 67.5 mm | 52 × 58.6 mm | 76 x 55 mm | 72.5 x 66 mm |
| Compression Ratio: | 12.2:1 | 10.4:1 | 11.0:1 | 8.9:1 |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled | Air cooled |
| Induction: | ∅52mm Throttle valve diameter, BMS-X | Fuel Injection | 4x 36mm Mikuni CV | Bosch electronic fuel injection |
| Ignition: | Digital CDI | TCI | Digital | Electronic, CDI |
| Starting: | Electric | Electric | Electric | Electric |
| Transmission: | 6 Speed | 6 Speed | 6 Speed | 5 Speed |
| Final Drive: | Shaft | Chain | Chaion | Chain |
| Front Suspension: | Dual longitudinal control arm | Telescopic forks | Telescopic forks | Telescopic coil/air spring forks |
| Rear Suspension: | Paralever (single-sided swing arm), central spring strut, rebound/continuously variable | Swinging arm | Monoshock swing arm | Swinging arm with 2 dampers adjustable for preload and damping |
| Front Brakes: | 2 x ∅320mm discs, 4 piston calipers | Single 292mm disc | 2x Discs | 2x 270mm discs 1 piston calipers |
| Rear Brakes: | Single ∅320mm disc, 2 piston caliper | Single 230mm disc | Single disc | Single 270mm disc 1 piston caliper |