BMW F 800ST (2012) vs BMW C 650 Sport (2018-19) vs Kawasaki ER-6f (2008)
Comparison technical specifications
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| Make: | BMW | BMW | Kawasaki |
| Model: | F 800ST | C 650 Sport | ER-6f |
| Years: | 2012 | 2018-19 | 2008 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, twin-cylinder, DOHC, 4 Valves per cylinder | Four stroke, parallel twin, DOHC, 4 valves per cylinder. |
| Capacity: | 798 cc / 47.7 cub. in. | 647 cc / 38.5 cub in. | 649 cc / 39.6 cu-in |
| Bore x Stroke: | 82 x 75.8 mm | 79 x 66 mm | 83 X 60mm |
| Compression Ratio: | 12.0:1 | 11.6:1 | 11.3;1 |
| Induction: | Electronic intake injection | Fuel injection BMS-E, ∅38mm Throttle valve | 2x 38mm Electronic Fuel Injection Keihin |
| Starting: | Electric | Electric | Electric |
| Max Power: | 62.5 kW / 85 hp @ 8000 rpm | 44 kW / 60 hp @ 7500 rpm | 53 kW / 72.1 hp @ 8500 rpm |
| Max Torque: | 80 Nm / 8.2 kgf-m / 59 lb-ft. @ 5800 rpm | 66 Nm / 6.7 kgf-m / 48.7 lb-ft. @ 6000 rpm | 66 Nm / 6.7 m-kg @ 7000 rpm |
| Clutch: | Cable-operated multiplate-plate wet clutch | Centrifugal clutch | Wet, multiple discs, cable operated |
| Transmission: | 6 Speed | CVT (continuously variable transmission) | 6 Speed |
| Frame: | Bridge-type aluminium frame | Steel tube construction with aluminium die cast unit | Diamond, high-tensile steel |
| Front Suspension: | 43mm Telescopic forks | System Upside down fork Ø40 mm / 1.6 in. | 41 mm telescopic fork, |
| Front Wheel Travel: | 140 mm / 5.5 in. | 115mm / 4.5 in. | 120 mm / 4.7 in |
| Rear Suspension: | Die-cast aluminium single sided swinging arm with rear wheal axle and eccentric adjustment, central spring stud , spring pre-loaded hydraulically adjustable to continuously variable levels by means of handwheel, rebound damping adjustable. | System Cast single swingarm. | Offset laydown single-shock with adjustable preload, |
| Rear Wheel Travel: | 140 mm / 5.5 in | 115mm / 4.5 in. | 130 mm / 5.1 in |
| Front Brakes: | 2 x ∅320 mm discs, 4 piston calipers | 2x 270mm discs 2 piston caliper, ABS | 2x 300mm discs 2 piston calipers |
| Rear Brakes: | Single ∅265 mm disc, 2 piston caliper | Single 270mm disc 2 piston caliper, ABS | Single 220mm disc 1 piston caliper |
| Front Tyre: | 120/70 ZR17 | 120/70 R15 | 120/70ZR17 |
| Rear Tyre: | 180/55 ZR17 | 160/60 R15 | 160/60ZR17 |
| Seat Height: | 820 mm / 32.3 in. (low seat: 790 mm / 31.1 in.) | 810 mm / 31.9 in. | 790 mm / 31.1 in |
| Dry Weight: | 187 kg / 412 lbs | 237 kg / 522 lbs. | 178 kg / 392.4 lbs |
| Wet-Weight: | 209 kg / 461 lbs | 249 kg / 549 lbs. | 200 kg / 440 lbs |
| Fuel Capacity: | 16 Litres / 4.2 US gal. | 16 Litres / 4.2 US gal. | 15.5 Litres / 4.1 US gal |