Engine
|
| Type |
Air/oil-cooled 2-cylinder 4-stroke flat twin engine,
one camshaft and four valves per cylinder |
| Bore x stroke |
101 mm x 73 mm (4 x 2 7/8 inches) |
| Capacity |
1,170 cc (71 1/2 cubic inches) |
| Rated output |
61 bhp at 5,000 rpm |
| Max. torque |
72 Ft/Lb at 3,000 rpm |
| Compression ratio |
10.0 : 1 |
| Engine Management |
Electronic intake pipe injection/digital engine management:
Bosch Motronic MA 2.4 with overrun fuel cut-off |
| Emission control |
closed-loop 3-way catalytic converter |
Performance / fuel consumption
|
| Maximum speed |
approx. 102 mph |
| Fuel consumption over 60 miles at a constant 55 mph |
45 mpg |
| Fuel consumption over 60 miles at constant 75 mph |
37 mpg |
| Fuel type |
Unleaded, regular1 |
Electrical system
|
| Alternator |
840 W three-phase alternator |
| Battery |
12 V / 19 Ah |
Power transmission
|
| Clutch |
Single-disc dry clutch, hydraulically operated |
| Gearbox |
Constant mesh 6-speed transmission (overdrive) |
| Drivetrain |
Shaft drive |
| Primary Drive |
1:1.889 |
| Clutch |
165mm single plate w/ hydraulic actuation |
| Gearbox Ratios |
2.038 / 1.600 / 1.267 / 1.034 / 0.903 / 0.698 : 1 |
| Final Drive |
Enclosed driveshaft w/ two universal joints
|
| Final Drive Ratio |
2.62 : 1 |
Chassis / brakes
|
| Frame |
Triple-section frame consisting of front and rear frame
sections and semi-monocoque engine |
| Front wheel location / suspension |
BMW Motorrad Telelever; stanchion diameter 35 mm, central strut |
| Rear wheel location / suspension |
Die-cast aluminium single-sided swing arm with BMW Motorrad
Monolever; WAD strut (travel-related damping), spring pre-load
adjustable to continuously variable levels by means of hydraulic
handwheel |
| Travel front / rear |
144 mm (5 2/3") / 120 mm (4 3/4") |
| Wheelbase (in normal position) |
1,641 mm (65") |
| Caster (in normal position) |
184 mm (7 1/4") |
| Steering head angle (in normal position) |
56.5° |
| Wheels |
Die-cast aluminium wheels |
| Rim, front |
3.50 x 16 |
| Rim, rear |
4.00 x 15 |
| Front Tires |
150/80 VR 16 |
| Rear Tires |
170/80 VR 15 |
| Front Brake |
EVO brake system with dual disc, floating brake discs, 305 mm
diameter, 4-piston fixed caliper |
| Rear Brake |
Single disc floating brake, 285 mm diameter, 2-piston floating caliper |
| ABS |
Special equipment: BMW Fully Integral ABS |
Dimensions & Weights
|
| Seat height, unladen weight |
745 mm m(29 1/3") |
| Unladen, road ready, fully fuelled 1) |
679 lb |
| Dry weight 2) |
635 lb kg |
| Permitted total weight |
1,168 lb |
| Payload (with standard equipment) |
489 lb |
| Usable tank volume |
4.6 gal |
| Reserve |
1 gal |
| Length |
95 inches |
| Height |
56 inches |
| Width (inc. mirrors) |
42 inches |