BMW R850R 1994-2002A second version was built using a Type M28 engine, 1999-2007 |
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| Engine | |||
| Configuration | Air and oil cooled horizontally opposed Type 259 twin, 4 valves per cyl, high cam. | Lubrication | 1 US gallon of SF or SG |
| Bore & Stroke | 87.8 x 70.5 mm | Ignition | see under Fuel |
| Capacity | 848 cc | Charging system | 14 V, 50 Amp Alternator (700 W), 19.5 Amphour low maintenance battery. |
| Compression Ratio | 10.3:1 | Starter | |
| Maximum Power | 70 Bhp @ 7000 rpm | Transmission | Driveshaft with two universal joints and integral torsional damper, Diff 3.36:1 ratio (37/11) |
| Maximum Torque | 57 lb.-ft. @ 5500 rpm | Gearbox | 1st gear: 4.16:1
2nd gear: 2.91:1 3rd gear: 2.13:1 4th gear: 1.74:1 5th gear: 1.45:1 |
| Cam Timing (3mm)
Inlet Open
Inlet Close
Exhaust Open
Exhaust Close
|
10 degrees after TDC 36 degrees after BDC 35 degrees before BDC 3 degrees before TDC |
Clutch | 180 mm dry, single plate with diaphram spring |
| Valves | 32 mm inlet
27 mm exhaust |
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| Fuel | Fuel injection and electronic ignition MA 2.2 controlled by Bosch Motronic | Exhaust | |
| Chassis | |||
| Frame | 64 degrees / 120 mm trail | Wheels | 3.50 x 17 MT-H2, cast alloy, 3-spoke U-profile
4.50 x 18 MT-H2, cast alloy, 3-spoke U-profile |
| Dimensions
Weight:
Length:
Wheelbase:
Seatheight:
Ground Clearance:
|
517 lbs. wet 85.68 inches (2197 mm) 57.99 inches (1487 mm) 760 / 780 / 800 mm 5.38 inches (138 mm) |
Tyres | 120/70 - ZR 17 tubeless
160/60 - ZR 18 tubeless |
| Front Suspension | Telelever forks. | Brakes | Front:
Rear:
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| Rear suspension | Paralever swingarm & shaft drive, single shock with variable rebound damping | Fuel Capacity | 5.5 U.S. gallons including 1 gal. reserve. Steel tank with fuel pump & filter |
| Colours | Standard Features | ||
| Performance | |||
| Top Speed | 180 km/h | Fuel Economy | |
| Acceleration | |||
