Model: K 75
Production  
Engine  
Power transmission  
Electrical System  
Chassis  
Dimensions/Weights  
     
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Production
Begin of Production   1986
End of Production   1996
Number Sold   18.485
Price   11.990,- DM
Engine
Motor Type   four-stroke, horizontal three-cylinder in-line engine, liquid-cooled
Bore x Stroke   67 x 70 mm
Cubic Capacity   740 ccm
Max Power   75 hp (55 KW) at 8500 rpm
Max Torque   68 Nm at 6750 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 Lubrication   wet sump
Power Transmission
Clutch   dry single plate
Number of Gears   5
Gear Selection   dog-type gearbox (ratchet foot lever)
Gear 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
Electrical System
Ignition   electronic ignition, Bosch LE-Jetronic
Alternator   12 V 460 W
Starter   0.7 kW
Spark Plugs   Bosch X 5 DC, Beru 12-5 DU
Chassis
Type of Frame   tubular space frame, engine serving as load-bearing component
Front Suspension   telescopic fork with hydraulic shock absorber
Rear Suspension   BMW Monolever swinging arm
Spring Travel front/rear   185 / 114 mm
Rims front   MTH 2.50 x 18 E
Rims rear   MTH 2.75 x 18 E
Tyres front   100/90-18 56 H
Tyres rear   120/90-18 56 H
Brakes front   dual-disc brake 285 mm dia
Brakes rear   simplex drum brake 200 mm dia or single disc brake 285 mm dia
Dimensions/Weights
Length x Width x Height   2220 x 900 x 1300 mm
Wheel Base   1516 mm
Tank Capacity   21 l
Unladen Weight, full Tank   227 kg
Max permissible Weight   450 kg
Ground Clearance   175 mm
Fuel Consumption   4,2 l/100 km (at constant 90 kph)
Top Speed   200 kph
Acceleration 0-100 kph   4,6 sec