BMW K 1300 R (2011) vs Kawasaki ZRX 1200S (2004-05) vs Kawasaki GPz 750R Ninja / ZX 750R (1986) vs Kawasaki EN 400 Vulcan (1986-89) vs Gilera RC 125 Rally (1987-89)
Comparison technical specifications
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| Make: | BMW | Kawasaki | Kawasaki | Kawasaki | Gilera |
| Model: | K 1300 R | ZRX 1200S | GPz 750R Ninja / ZX 750R | EN 400 Vulcan | RC 125 Rally |
| Years: | 2011 | 2004-05 | 1986 | 1986-89 | 1987-89 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke parallel twin cylinder. DOHC, 4 valves per cylinder. | Two stroke, single cylinder, reed valve |
| Capacity: | 1298 cc / 79.2 cu in. | 1165 cc / 71.0 cu-in | 746 cc / 45.6 cu-in | 399 cc / 24.3 cu-in | 124 cc / 7.6 cu-in |
| Bore x Stroke: | 80 x 64.3 mm / 3.15 x 2.53" | 79 x 59.4 mm. | 70.0 x 48.6 mm | 70 х 51 .Э mm | 56 x 50.5 mm |
| Compression Ratio: | 13.0:1 | 10.1:1 | 10.5:1 | 10.7:1 | 13.0;1 |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled | Liquid cooled | Liquid cooled |
| Induction: | Electronic fuel injection, Digital Motor Electronics with integrated knock control (BMS-K) | 4x Keihin CVK36 carburetors | 4x 34mm Mikuni carburetors | Keihin carburettor | Dell'Orto premix |
| Starting: | Electric | Electric | Electric | Electric | Kick |
| Max Power: | 127 kW / 173 hp @ 9250 rpm | 122 hp / 88.9 kW @ 8500 rpm | 92 hp / 67.2 kW @ 10000 rpm | 45 hp / 32.8 kW @ 9000 rpm | 24 hp / 18 kW @ 9250 rpm |
| Max Torque: | 140 Nm / 14.3 kgf-m / 103 lb-ft @ 8250 rpm | 112 Nm / 82.6 lb-ft @ 7000 rpm | 7.2 kg-m / 52 lb-ft @ 8500 rpm | 3.4 kgf-m / 24.5 lb-ft @ 8000 rpm | 1.5 kgf-m @ 10500 rpm |
| Transmission: | 6 Speed | 5 Speed | 6 Speed | 6 Speed | 6 Speed |
| Final Drive: | Shaft | Chain | Chain | Belt | Chain |
| Front Suspension: | BMW Motorrad Duolever; central spring strut, Paralever; central spring strut with lever system | 43 mm fully adjustable, conventional cartridge-type fork, offers 12-way compression and rebound damping adjustment as well as fork spring preload | Air assisted forks, 160mm wheel travel. | Telescopic forks | Telescopic forks |
| Rear Suspension: | Cast aluminium single swing arm with BMW Motorrad, spring pre-tension with infinite hydraulic adjustment | Fully adjustable rear shock | Single shock swinging arm, 109mm wheel travel. | Dual shocks | Swing arm gas single shock |
| Front Brakes: | 2 x ∅320mm discs, 4 piston calipers | 2x 310mm discs 6 piston calipers | 2x 270mm discs | Single disc | Single 240mm disc |
| Rear Brakes: | Single ∅265mm disc, 2 piston caliper | Single 250mm disc 2 piston caliper | Single 256mm disc | Drum | Drum |
| Front Tyre: | 120/70 ZR17 | 120/70 ZR17 | 120/80-16 | 100/90-19 | 2.75-21 |
| Rear Tyre: | 180/55 ZR17 | 180/55 ZR17 | 130/80-18 | 140/90-15 | 4.10-17 |
| Dry Weight: | 217 kg / 478 lbs | 227 kg / 500.4 lbs | 228 kg / 502.5 lbs | 182.0 kg / 401.2 lbs | 115 kg / 253 lbs |
| Fuel Capacity: | 19 L / 5.0 US gal | 19 Litres / 5.0 US gal | 22 Litres / 5.8 US gal | 10 Litres / 2.6 US gal | 21 Litres / 5.5 US gal |