BMW R 850R (1997-99) vs BMW F 650CS Scarver (2001)
Comparison technical specifications
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| Make: | BMW | BMW |
| Model: | R 850R | F 650CS Scarver |
| Years: | 1997-99 | 2001 |
| Engine: | Four stroke, two-cylinder, horizontally-opposed Boxer engine, 4 valves per cylinder | Four stroke, single cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 848 cc / 51.7 cu in. | 652 cc / 39.8 cub. in. |
| Bore x Stroke: | 87.5 x 70.5 mm | 100 x 83mm |
| Compression Ratio: | 10.3:1 | 11.5:1 |
| Induction: | Electronic injection, Bosch Motronic | Electronic intake / BMW engine management |
| Ignition: | Electronic Bosch Motronic MA 2.4 | Electronic ignition integrated with fuel management |
| Starting: | Electric | Electric |
| Max Power: | 53.2 kW / 73 hp @ 6750 rpm | 37.3 kW / 50 hp @ 6800 rpm |
| Max Torque: | 77 Nm / 7.85 kgf-m / 56 ft/lb @ 5600 rpm | 62.3 Nm / 6.4 kgf-m / 46 ft-lbs @ 5500 rpm |
| Clutch: | Single disc dry clutch, hydraulically operated | Multi disc in oil bath |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Shaft | Belt |
| Frame: | Three section composite frame consisting of front & rear section, load bearing engine | Bridging consisting of steel profiles. |
| Front Suspension: | Motorrad Telelever, stanchion ∅35 mm, central strut, rebound damping adjustable. | ∅41mm Telescopic fork with integral brace |
| Front Wheel Travel: | 120 mm / 4.7 in | 125 mm / 4.9 in. |
| Rear Suspension: | 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. | Steel swingarm with progressive shock linkage |
| Rear Wheel Travel: | 135 mm / 5.2 in | 120 mm / 4.7 in. |
| Front Brakes: | 2 x ∅320mm discs, 4 piston calipers | Single ∅300mm disc 2 piston caliper |
| Rear Brakes: | Single ∅276mm disc, 2 piston caliper | Single ∅240mm disc 1 piston caliper |
| Wheels: | Die cast aluminium wheels | Die cast aluminium |
| Front Tyre: | 120/70 - ZR17 | 110/70 ZR17 |
| Rear Tyre: | 160/60 - ZR18 | 160/60 ZR17 |
| Steering Head Angle: | 61.9° | 86° |
| Dimensions: | Length 2170 mm / 85.4 in Width 940 mm / 37.0 in Height 1220 mm / 48.03 in | Length: 2142 mm / 84.3 in Width: 915 mm / 36 in. (incl. mirrors) Height: 1158 mm / 45.6 in. (excl. mirrors) |
| Wheelbase: | 1487 mm / 58.54 in | 1493 mm / 58.8 in. |
| Seat Height: | 800 mm / 31.4 in. (low seat: 770 mm / 30.31 in) | 780 mm / 30.7 in. |
| Dry Weight: | 218 kg / 481 lbs | 170 kg / 374 lbs |
| Wet Weight: | 238 Kg / 524 lbS | 187 kg / 412 lbs |
| Fuel Capacity: | 20.5 Liters / 5.4 US gal | 15 Liters / 4 US gal. |
| Consumption Average: | 6.2 L/100 km / 16.1 km/l / 37.9 US mpg | 4.5 l/100 km / 62 US mpg |
| Standing ¼ Mile: | 12.5 sec / 167.0 km/h / 104 mph | 13.5 sec |
| Top Speed: | 193.9 km/h / 120.5 mph | 175 km/h / 108.7 mph |