BMW F 800ST (2012) vs BMW C 650 Sport (2018-19) vs Kawasaki ER-6f (2008) vs BMW R 850 RT (1996-99) vs BMW K 1600 GT (2014)
Comparison technical specifications
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| Make: | BMW | BMW | Kawasaki | BMW | BMW |
| Model: | F 800ST | C 650 Sport | ER-6f | R 850 RT | K 1600 GT |
| Years: | 2012 | 2018-19 | 2008 | 1996-99 | 2014 |
| 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. | Four stroke, two-cylinder, horizontally-opposed Boxer engine, 4 valves per cylinder | Four stroke, transverse six cylinder, 4 valves per cylinder |
| Capacity: | 798 cc / 47.7 cub. in. | 647 cc / 38.5 cub in. | 649 cc / 39.6 cu-in | 848 cc / 51.7 cu in. | 1649 cc / 100.6 cu in. |
| Bore x Stroke: | 82 x 75.8 mm | 79 x 66 mm | 83 X 60mm | 87.5 x 70.5 mm | 72 x 67.5 mm |
| Compression Ratio: | 12.0:1 | 11.6:1 | 11.3;1 | 10.3:1 | 12.2:1 |
| Induction: | Electronic intake injection | Fuel injection BMS-E, ∅38mm Throttle valve | 2x 38mm Electronic Fuel Injection Keihin | Electronic injection, Bosch Motronic | 52mm Throttle valve diameter, BMS-X |
| Starting: | Electric | Electric | 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 | 53.2 kW / 73 hp @ 6750 rpm | 118 kW / 160.5 hp @ 7750 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 | 77 Nm / 7.85 kgf-m / 56 ft/lb @ 5600 rpm | 175 Nm / 17.8 kgf-m / 129 lb-ft @ 5250 rpm |
| Clutch: | Cable-operated multiplate-plate wet clutch | Centrifugal clutch | Wet, multiple discs, cable operated | Single disc dry clutch, hydraulically operated | Multiplate wet clutch, hydraulically activated |
| Transmission: | 6 Speed | CVT (continuously variable transmission) | 6 Speed | 5 Speed | 6 Speed |
| Frame: | Bridge-type aluminium frame | Steel tube construction with aluminium die cast unit | Diamond, high-tensile steel | Three section composite frame consisting of front & rear section, load bearing engine | Chill-cast rear frame: aluminium, extruded sections |
| Front Suspension: | 43mm Telescopic forks | System Upside down fork Ø40 mm / 1.6 in. | 41 mm telescopic fork, | Motorrad Telelever, stanchion ∅35 mm, central strut, rebound damping adjustable. | Dual longitudinal control arm |
| Front Wheel Travel: | 140 mm / 5.5 in. | 115mm / 4.5 in. | 120 mm / 4.7 in | 120 mm / 4.7 in | 115 mm / 4.8 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, | Die-cast aluminium single sided swinging arm with BMW Motorrad Paralever, central strut, spring preload adjustable to continuously variable levels by means of a hydraulic handwheel, rebound adjustable damping. | Paralever (single-sided swing arm), central spring strut, rebound/continuously variable |
| Rear Wheel Travel: | 140 mm / 5.5 in | 115mm / 4.5 in. | 130 mm / 5.1 in | 135 mm / 5.2 in | 135 mm / 5.3 in |
| Front Brakes: | 2 x ∅320 mm discs, 4 piston calipers | 2x 270mm discs 2 piston caliper, ABS | 2x 300mm discs 2 piston calipers | 2 x ∅320mm discs, 4 piston calipers | 2 x ∅320mm discs, 4 piston calipers |
| Rear Brakes: | Single ∅265 mm disc, 2 piston caliper | Single 270mm disc 2 piston caliper, ABS | Single 220mm disc 1 piston caliper | Single ∅276mm disc, 2 piston caliper | Single ∅320mm disc, 2 piston caliper |
| Front Tyre: | 120/70 ZR17 | 120/70 R15 | 120/70ZR17 | 120/70 - ZR17 | 120/70 ZR17 |
| Rear Tyre: | 180/55 ZR17 | 160/60 R15 | 160/60ZR17 | 160/60 - ZR17 | 190/55 ZR17 |
| Seat Height: | 820 mm / 32.3 in. (low seat: 790 mm / 31.1 in.) | 810 mm / 31.9 in. | 790 mm / 31.1 in | 800 mm / 31.4 in. (low seat: 770 mm / 30.31 in) | 810 - 830 mm / 31.9 - 32.7 in (standard) 780 - 800 mm / 30.7 - 31.5 in(optional rider seat) 750 mm / 29.5 in (special accessory seat, single-section) |
| Dry Weight: | 187 kg / 412 lbs | 237 kg / 522 lbs. | 178 kg / 392.4 lbs | 238 kg / 525 lbs | 295 kg / 650 lbs |
| Wet-Weight: | 209 kg / 461 lbs | 249 kg / 549 lbs. | 200 kg / 440 lbs | 282 Kg / 621 lbS | 319 kg / 703 lbs |
| Fuel Capacity: | 16 Litres / 4.2 US gal. | 16 Litres / 4.2 US gal. | 15.5 Litres / 4.1 US gal | 20.5 Liters / 5.4 US gal | 26.5 Litres / 7.0 US gal |