Start of Production
|
1985
|
Click to View |
End
of Production |
1990 |
Numbers Produced |
9,566 |
Price |
12,890 DM |
Engine |
|
Motor Type |
Four-stroke horizontal three cylinder in-line engine, liquid cooled |
Bore x Stroke |
67 x 70 mm
(2.63 x 2.75 in) |
Displacement |
740
cc |
Max
Power |
75 hp
(55 KW) at 8,500 rpm |
Max
Torque |
68 Nm /
50 ft lb at
6,750 rpm |
Compression Ratio |
11.0 : 1 |
Valves
Per Cylinder |
2 |
Valve Control |
DOHC,
using drive chain and cup tappets |
Carburation System |
electronic injection, Bosch LE-Jetronic |
Engine Lubricating System |
Wet
sump |
|
|
Power Transmission |
|
Clutch |
Dry
single plate |
Number of Gears |
5 |
Gear Selection |
Dog
type gearbox (ratchet foot lever) |
Gearbox Ratios |
4.50 /
2.96 / 2.30 / 1.88 / 1.67 : 1 |
Rear Wheel Ratio |
1 : 3.20 or 1 : 3.36 |
Bevel/Crownwheel |
10 / 32 teeth
or 11 / 37 teeth |
|
|
Electrical System |
|
Ignition System |
Electronic ignition, Bosch LE-Jetronic |
Alternator |
12 V
460 W |
Starter |
0.7 Kw |
Spark Plugs |
Bosch X 5 DC / Beru 12-5 DU |
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Chassis |
|
Type of
Frame |
Tubular
space frame, engine serving as load bearing component |
Front wheel suspension |
Telescopic fork with hydraulic shock absorber |
Rear wheel suspension |
BMW
Monolever swinging arm |
Spring
Travel Front/Rear |
185 /
114 mm (7.28 x 4.48 in) |
Wheel Rims, Front |
MTH
2.50 x 18 E |
Wheel
Rims, Rear |
MTH
2.75 x 18 E |
Tyres, Front |
100/90
x 18 56 H |
Tyres, Rear |
130/90
x 18 56 H |
Brakes, Front |
Dual
disc brake 285 mm / 11.22 in diameter. Brembo 2 piston caliper |
Brakes, Rear |
Mechanically actuated drum
brake 200 mm / 7.87 in diameter |
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|
|
Dimensions/Weights |
|
Length x Width x Height |
2220 x 900 x 1300 mm (87.40 x 35.43 x 51.18 in) |
Wheel
Base |
1516 mm
/ 59.68 in |
Fuel Tank Capacity |
21
litres / 4.61 gal / 5.54 gal US |
Unladen
Weight with Full Tank |
227 Kg
/ 500 lb |
Max.
Permissible Weight |
450 Kg
/ 991 lb |
Ground
Clearance |
175 mm
/ 6.88 in |
Seat
Height (Unladen) |
810 mm
(31.90 inches) or 760 mm (29.90 inches) for low seat model |
Fuel
Consumption (at constant 90 Kph) |
4.2
litres 100 Km / 67 mpg / 56 mpg US |
Top
Speed |
200 Kph
/ 124 mph |
Acceleration 0 - 100 Kph / 62 mph |
4.6
seconds |
|
|
Power Graph
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