| Engine |
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| 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 |
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| 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
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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 |
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| Chassis |
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| 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:
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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:
ABSII on R850R |
| 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 |
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| Colours |
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Standard Features |
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| Performance |
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| Top Speed |
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Fuel Economy |
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| Acceleration |
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