| Specifications | R 850 R | R 850 R Special model |
R 850 R 25kW |
|
|---|---|---|---|---|
| Engine | Cubic capacity | cc | 848 | |
| Bore/stroke | mm | 87.5/70.5 | ||
| Max output | kW/bhp | 52/70 | 25/34 | |
| @ | rpm | 7000 | 5000 | |
| Max torque | Nm | 77 | 60 | |
| @ | rpm | 5500 | 2500 | |
| Design | flat-twin | |||
| No of cylinders | 2 | |||
| Compression ratio/fuel grade | 10.3/premium | |||
| Valve control | HC | |||
| Valves per cylinder | 4 | |||
| Intake/outlet dia | mm | 32/27 | ||
| Fuel supply | Motronic MA 2.2 | |||
| Electrical system | ||||
| Alternator | W | 700 | ||
| Battery | V/Ah | 12/19 | ||
| Headlight | W | H4 55/60 | ||
| Starter | kW | 1.1 | ||
| Transmission | ||||
| Gear ratios | I | 4.16/3.36 | ||
| II | 2.91/3.36 | |||
| III | 2.13/3.36 | |||
| IV | 1.74/3.36 | |||
| V | 1.45/3.36 | |||
| Suspension | ||||
| Rear-wheel drive | BMW Paralever | |||
| Clutch | Single-plate dry clutch, dia 180 mm | |||
| Type of frame | Tubular space frame, engine serving as loadbearing component | |||
| Spring travel front/rear | mm | 120/135 | ||
| Wheel castor | mm | 127 | ||
| Wheelbase | mm | 1487 | ||
| Stering assembly angle | ° | 63 | ||
| Brakes | front | dual disc brake, dia 305 mm | ||
| rear | single disc brake, dia 276 mm | |||
| Wheels | Light-alloy | |||
| front | 3.50 x 17 | |||
| rear | 4.50 x 18 | |||
| Tyres | front | 120/70 ZR 17 | ||
| rear | 160/60 ZR 18 | |||
| Dimensions and weights | ||||
| Length, overall | mm | 2197 | ||
| Width with mirrors | mm | 898 | ||
| Handlebar width | mm | 729 | ||
| Seat height | mm | 760/780/800 | ||
| Weight, unladen with full tank | kg | 235 | ||
| Max permissible weight | kg | 450 | ||
| Fuel tank | ltr | 18.9 | ||
| Performance | ||||
| Fuel consumption | ||||
| 90 km/h (56 mph) | ltr/100km | 4.6 | ||
| 120 km/h (75 mph) | ltr/100km | 5.7 | ||
| Acceleration | ||||
| 0-100 km/h (62 mph) | sec | 5.0 | ||
| standing-start km | sec | 26.0 | ||
| Top speed | km/h | 187 | ||
Special model
