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Start of Production |
1987 |
Click to View |
|
End
of Production |
1996 |
|
Numbers Produced |
11,375 |
|
Price |
10,950 DM |
|
Engine |
|
|
Motor Type |
Four-stroke two cylinder horizontally opposed "Boxer" engine, air cooled |
|
Bore x Stroke |
84.8 x 70.6 mm
(3.33 x 2.77 in) |
|
Displacement |
797.5
cc |
|
Max
Power |
50 hp
(37 KW) at 6,500 rpm |
|
Max
Torque |
61 Nm / 44 ft lb at 3,750 rpm |
|
Compression Ratio |
8.2 : 1 |
|
Valves
Per Cylinder |
2 |
|
Valve Control |
OHV,
using push rod and rocker arm |
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Carburation System |
2
constant depression carburettors, Bing 64/32/349 - 64/32/350 |
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Engine Lubricating System |
Wet
sump |
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Power Transmission |
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|
Clutch |
Dry
single plate, with lever action diaphragm spring |
|
Number of Gears |
5 |
|
Gear Selection |
Dog
type gearbox (ratchet foot lever) |
|
Gearbox Ratios |
4.4 /
2.86 / 2.07 / 1.67 / 1.50 : 1 |
|
Rear Wheel Ratio |
1 : 3.20 |
|
Bevel/Crownwheel |
10 / 32 teeth |
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Back to index |
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Electrical System |
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Ignition System |
Contact
free electronic ignition (Bosch) |
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Alternator |
Bosch
280 W |
|
Starter |
Bosch
0.7 Kw |
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Spark Plugs |
Bosch W 7 DC / Beru 14-7 DU/ Champion N9YC |
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Chassis |
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Type of
Frame |
Double loop tubular frame
with bolt on rear section |
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Front wheel suspension |
Telescopic fork with hydraulic shock absorber |
|
Rear wheel suspension |
BMW
Paralever swinging arm |
|
Spring
Travel Front/Rear |
225 /
180 mm (8.85 x 7.08 in) |
|
Wheel Rims, Front |
1.85 x
21 MTH 2 |
|
Wheel
Rims, Rear |
2.50 x
17 MTH 2 |
|
Tyres, Front |
90 / 90
x 21 S |
|
Tyres, Rear |
130 /
80 x 17 S |
|
Brakes, Front |
Single
disc brake 285 mm / 11.22 in diameter. Brembo 2 piston caliper |
|
Brakes, Rear |
Simplex
drum brake 200 mm / 7.87 in diameter |
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|
Dimensions/Weights |
|
|
Length x Width x Height |
2290 x 1000 x 1165 mm (90.15 x 39.37 x 45.86 in) |
|
Wheel
Base |
1514 mm
/ 59.60 in |
|
Fuel Tank Capacity |
24
litres / 5.27 gal / 6.34 gal US |
|
Unladen
Weight with Full Tank |
210 Kg
/ 462 lb |
|
Max.
Permissible Weight |
420 Kg
/ 925 lb |
|
Ground
Clearance |
200 mm
/ 7.87 in |
|
Seat
Height (Unladen) |
850 mm (33.5 inches) |
|
Fuel
Consumption |
4.7
litres 100 Km (at constant 90 Kph) / 60 mpg / 50 mpg US |
|
Top
Speed |
168 Kph
/ 104 mph |
|
Acceleration 0 - 100 Kph / 62 mph |
6 seconds |
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Power Graph
 |
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