 |
| Production |
|
|
|
| Begin of Production |
|
1980 |
|
| End of Production |
|
1987 |
|
| Number Sold |
|
21.864 |
|
| Price |
|
8.920,- DM |
|
|
 |
 |
|
| Engine |
|
|
|
| Motor Type |
|
four-stroke, two-cylinder, horizontally-opposed "Boxer" engine, air-cooled |
|
| Bore x Stroke |
|
84,8 x 70,6 mm |
|
| Cubic Capacity |
|
797,5 ccm |
|
| Max Power |
|
50 hp (37 KW) at 6500 rpm |
|
| Max Torque |
|
56,7 Nm at 5000 rpm |
|
| Compression Ratio |
|
8.2 : 1 |
|
| Valves per Cylinder |
|
2 |
|
| Valve Control |
|
ohv, using push rod and rocker arm |
|
| Carburation System |
|
2 constant depression carburettors, Bing V 64/32/305-64/32/306 |
|
| Engine Lubrication |
|
wet sump |
|
|
|
|
|
| Power Transmission |
|
|
|
| Clutch |
|
dry single plate, with lever-action diaphragm spring |
|
| Number of Gears |
|
5 |
|
| Gear Selection |
|
dog-type gearbox (ratchet foot lever) |
|
| Gear Ratios |
|
4.4 / 2.86 / 2.07 / 1.67 / 1.50 :1 |
|
| Rear Wheel Ratio |
|
1 : 3.36 |
|
| Bevel / Crownwheel |
|
11 / 37 teeth |
|
|
|
|
|
| Electrical System |
|
|
|
| Ignition |
|
Contact-free electronic ignition (Bosch) |
|
| Alternator |
|
Bosch 280 W |
|
| Starter |
|
Bosch 0.7 kW |
|
| Spark Plugs |
|
Bosch W 7 D/Beru 14-7D/Champion N 10 Y |
|
|
|
|
|
| Chassis |
|
|
|
| Type of Frame |
|
double-loop tubular frame with bolt-on rear section |
|
| Front Suspension |
|
telescopic fork with hydraulic shock absorber |
|
| Rear Suspension |
|
BMW Monolever swinging arm |
|
| Spring Travel front/rear |
|
200 / 170 mm |
|
| Rims front |
|
1.85 B 21 |
|
| Rims rear |
|
2.15 B 18 |
|
| Tyres front |
|
3.00-21 48 R |
|
| Tyres rear |
|
4.00-18 64 R |
|
| Brakes front |
|
single disc brake 260 mm dia |
|
| Brakes rear |
|
simplex drum brake 200 mm dia |
|
|
|
|
|
| Dimensions/Weights |
|
|
|
| Length x Width x Height |
|
2230 x 820 x 1150 mm |
|
| Wheel Base |
|
1465 mm |
|
| Tank Capacity |
|
19,5 l [Paris-Dakar: 32 l] |
|
| Unladen Weight, full Tank |
|
186 kg [Paris-Dakar: 205 kg] |
|
| Max permissible Weight |
|
398 kg |
|
| Ground Clearance |
|
175 mm |
|
| Fuel Consumption |
|
5,0 l/100 km (at constant 90 kph) |
|
| Top Speed |
|
168 kph |
|
| Acceleration 0-100 kph |
|
5,6 sec |
|
|
|
|
