BMW R 1200ST (2005) vs Kawasaki ZR-X 400 II (2004-07) vs BMW R 1200S (2008) vs Kawasaki ZX-6RR (2004)
Comparison technical specifications
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| Make: | BMW | Kawasaki | BMW | Kawasaki |
| Model: | R 1200ST | ZR-X 400 II | R 1200S | ZX-6RR |
| Years: | 2005 | 2004-07 | 2008 | 2004 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder | Four stroke parallel twin cylinder. DOHC, 2 valves per cylinder | Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 1170 cc / 71.4 cu in | 399 cc / 24.4 cu-in | 1170 cc / 71.4 cu in | 599 cc / 36.6 cub in |
| Bore x Stroke: | 101 x 73 mm | 57.5 х 38.5 mm | 101 x 73 mm | 67 x 42.5 mm |
| Cooling System: | Air/Oil-cooled | Liquid cooled | Air/Oil cooled | Liquid cooled, |
| Compression Ratio: | 11.0:1 | 11.2:1 | 12.5:1 | 13.0:1 |
| Induction: | BMW engine management, BMS-K | 4x Keihin CVK30 carburetors | Fuel injection, 52mm throttle butterfly | Fuel injection with 38mm throttle bodies |
| Ignition: | Digital engine management | Transistor | Digital CDI | Digital |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 81 kW / 110 hp @ 7500 rpm | 53 hp / 39.5 kW @ 11500 rpm | 90 kW / 122 hp @ 8250 rpm | 86.8 kW / 118 hp @ 13200 rpm |
| Max Torque: | 115 Nm / 11.7 kgf-m / 85 lb-ft @ 6000 rpm | 37 Nm / 27.3 lb-ft @ 9000 rpm | 112 Nm / 11.4 kgf-m / 83 ft-lb @ 6500 rpm | 64.4 Nm / 6.6 kgf-m / 47.5 lb-ft @ 12000 rpm |
| Clutch: | Single dry plate clutch, hydraulically | Wet multi disc | Hydraulic, dry, single-disc | Wet, multiple discs, cable operated |
| Transmission: | 6 Speed | 6 Speed | 6 Speed | 6 Speed |
| Final Drive: | System enclosed driveshaft with two universal joints | Chain | Shaft | Chain |
| Front Suspension: | Three-section frame consisting of front and rear section, load bearing engine-gearbox unit | 39mm RWU telescopic forks | BMW Motorrad Telelever; stanchion diameter 41 mm, central spring strut | 41mm inverted cartridge fork with adjustable preload, stepless rebound and compression damping and top-out springs |
| Rear Suspension: | BMW Motorrad Telelever, stanchion diameter 35mm, central spring strut, rebound damping electronically adjustable with standard ESA | Dual shocks preload adjustment | Die-cast aluminium single-sided swinging arm with BMW Motorrad Paralever; WAD spring strut (travel-dependent damping), adjustable spring preload continuously variable, rebound damping adjustable | Bottom-Link Uni-Trak with gas charged shock, stepless rebound and compression damping, spring preload adjustability and top-out springs |
| Front Brakes: | 2 x 305 mm Discs, 4 piston calipers | 2x 298mm discs 6 piston calipers | 2 x 320mm Discs, 2 piston caliper | 2 x 280mm discs, 4 piston calipers |
| Rear Brakes: | Single 265mm disc, 2 piston caliper | Single 240mm disc 2 piston caliper | Single 265mm disc, 1 piston caliper | Single 220mm disc, 1 piston caliper |
| Front Tyre: | 120/70 ZR17 | 110/80-17 | 120/70 ZR 17 | 120/65 ZR17 |
| Rear Tyre: | 180/55 ZR17 | 150/70-18 | 180/55 ZR 17 | 180/55 ZR17 |
| Seat Height: | 826 mm - 806 mm / 32.5 in - 31.7 in 780 mm / 800 mm / 30.7 - 31.4 in (special equipment low seat bench) | 780 mm / 30.7 in | 820 mm / 32.2 in | 820 mm / 32.3 in. |
| Dry Weight: | 205 kg / 451.9 lbs | 186 kg / 410.1 lbs | 190 kg / 418.8 lbs | 161 kg / 355 lbs |
| Fuel Capacity: | 21 Liters / 5.5 US gal | 16 Litres / 4.2 US gal | 17 Litres / 4.2 US gal | 18 Litres / 4.8 US gal |