Engine
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Type
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four-stroke, two-cylinder, horizontally-opposed "Boxer" engine, air-cooled
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Bore/stroke
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84,8 x 70,6 mm
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Cubic capacity
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797,5 cm3
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Max power
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40 kW (55 PS) at 7000 rpm [ 37 kW (50 PS) at 7250 rpm]
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Max torque
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64 Nm at 5500 rpm [ 58 Nm at 5500 rpm]
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Compression ratio
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9,2 : 1 [8,2 :1]
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Valves per cylinder
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2
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Valve control
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ohv, using push rod and rocker arm
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Carburation system
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2 constant depression carburettors Typ Bing 64/32/201-64/32/202
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Engine lubrication
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wet sump
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Power transmission
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Clutch
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dry single plate, with diaphragm spring
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Number of gears
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5
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Gear selection
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dog-type gearbox (ratchet foot lever)
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Gear ratios
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4,4 / 2,86 / 2,07 / 1,67 / 1,50 :1 (optional sport version 3,38/2,43/1,93
/1,67/1,50)
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Rear wheel ratio
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1 : 3,20 or 1 : 3,36
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Bevel/crown wheel
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10 / 32 teeth or 11 / 37 teeth
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|
Electrical system
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Alternator
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Bosch 12 V / 280 W
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Ignition
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battery ignition
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Starter
|
Bosch 0,7 kW
|
Spark plugs
|
Bosch W 175 T 30 / Beru 175/14/3 A / Champion N 10 Y
|
|
Suspension
|
|
Type of frame
|
double-loop tubular frame with bolt-on rear section
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Front suspension
|
telescopic fork with hydraulic shock absorber
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Rear suspension
|
long swinging arm with adjustable strut
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Spring travel
|
200 / 125 mm
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Rims front
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1,85 B 19
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Rims rear
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2,15 B 18
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Tyres front
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3,25 H 19
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Tyres rear
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4,00 H 18
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Brakes front
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single disc brake Ø 260 mm
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Brakes rear
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Simplex drum brake Ø 200 mm
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Dimensions and weights
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Length x width x height
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2130 x 746 x 1300 mm (from 1978: length 2210 mm)
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Wheel base
|
1465 mm
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Ground clearance
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165 mm
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Tank capacity
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24 l
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Unladen weight, full tank
|
230 kg
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Max permissible weight
|
398 kg
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Fuel consumption
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5,75 l / 100 km (at constant 90 km/h)
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Acceleration
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0 - 100 km/h 4,6 s
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Top speed
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200 km/h
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