| Engine |
| Type |
Air cooled/Oil cooled twin cylinder |
| Bore x stroke |
87.8 mm x 70.5 mm |
| Displacement |
848 cc |
| Horsepower |
70 Bhp @ 7000 rpm |
| Torque |
57 lb.-ft. @ 5500 rpm |
| Compression Ratio |
10.3:1 |
| Valve Gear |
HC, chain-driven |
| Valves |
2 x 32 mm intake / 2 x 27 mm exhaust |
Valve Timing
Measured at 3 mm valve clearance |
intake opens 10 degrees after TDC
intake closes 36 degrees after BDC
exhaust opens 35 degrees before BDC
exhaust closes 3 degrees before TDC |
| Valves per cylinder |
Four |
| Camshafts |
300 degrees |
| Engine Oil Capacity |
4 quarts of SF, SG motor oil, also w/CC or CD |
| Engine Oil Filter |
spin-on Micronic filter cartridge |
| Carburetion |
fuel injection and electronic ignition MA 2.2 |
| Ignition |
controlled by Bosch Motronic |
| Fuel Demand |
unleaded, middle-grade premium, 89 (AKI) |
| Fuel Tank |
steel tank with enclosed fuel pump and filter |
| Fuel Capacity |
5.5 US gallons including 1 gal. reserve |
| Air Filter |
Paper-type element |
| Charging system |
14 V, 50 Amp Alternator (700W) |
| Battery |
BMW Mareg, 19.5 Amp/h low maintenance |
| Cooling System |
Combined air/oil cooled |
| Drivetrain |
| Primary drive |
Helical-cut gears with tensioner |
| Clutch |
180 mm dry, single plate with diaphram spring |
| Gear Ratios |
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 |
| Drive System |
enclosed driveshaft with two universal joints and integral torsional damper |
| Final Drive |
spiral bevel gears, 3.36:1 ratio (37/11) |
| Frame and Suspension |
| Frame |
New 3-section frame concept |
| Front Suspension |
Telelever with central spring strut. Linear-rate coil spring. Twin-tube gas-filled. |
| Travel / Dimensions |
4.68 inches total travel |
| Rear Suspension |
Patented BMW Paralever swingarm and shaft drive, single shock with variable rebound damping |
| Travel / Dimensions |
5.27 inches total travel, 7-position preload |
| Brakes |
| ABS model comes with BMW / FAG anti-lock brake system ABS II |
| Front Brakes |
two 4-piston calipers, wear compensation |
| Front Rotors |
dual 12.0 inch floating rotors |
| Actuation method |
hydraulic, DOT 4 fluid type |
| Rear Brake |
one 4-piston caliper, floating mount |
| Rear Rotor |
single 10.9 inch diameter fixed rotor |
| Actuation method |
hydraulic, DOT 4 fluid type |
| Wheels and Tires |
| Front Wheel |
3.50 x 17 MT-H2, cast alloy, 3-spoke U-profile |
| Rear Wheel |
4.50 x 18 MT-H2, cast alloy, 3-spoke U-profile |
| Front Tire |
120/70 -- ZR 17 tubeless |
| Rear Tire |
160/60 -- ZR 18 tubeless |
| Dimensions |
| Overall Length |
85.68 inches (2197 mm) |
| Overall Width |
35.02 inches (898 mm) (over mirrors) |
| Wheelbase |
57.99 inches (1487 mm) (unladen) |
| Ground Clearance |
5.38 inches (138 mm) (unladen) |
| Seat Height |
29.9 / 30.7 / 31.5 inches (760 / 780 / 800 mm) |
| Handlebar Width |
29.68 inches (761 mm) (with weights) |
| Steering Angle |
64 degrees |
| Front Wheel Trail |
4.68 inches (120 mm) (unladen) |
| Weight -- Dry |
482 lbs. |
| Weight -- Wet |
517 lbs. |
| Maximum Load |
990 lbs. gross vehicle weight rating |
| Wheel load limits |
Front= 396 lbs.
Rear= 660 lbs. |
| Available Colors |
Mystic Red Metallic #689
Ascot Green Metallic #714
Seat Color: Black |
| Standard Equipment |
Adjustable seat height (3 positions)
Single key lock system for ignition, steering, fuel cap, and seat storage compartment locks
Integrated ignition and steering lock
High mounted stainless steel muffler
Catalytic converter
Power acessory socket
Hazard warning flashers
Ajustable front brake lever |
