BMW K 75 C

BMW K 75 C Date 1985 - 1990

Number sold 9.566

Price 12.890,- DM

Engine

Type four-stroke, horizontal three-cylinder in-line engine, liquid-cooled
Bore/stroke 67 x 70 mm
Cubic capacity 740 cm3
Max power 75 PS (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/crown wheel 10 : 32 teeth or 11 : 37

Electrical system

Alternator 12 V / 460 W
Ignition electronic ignition Bosch LE-Jetronic
Starter 0,7 kW
Spark plugs Bosch X 5 DC, Beru 12-5 DU

Suspension

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 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
Brakes rear single disc brake 285 mm

Dimensions and weights

Length x width x height 2220 x 900 x 1300 mm
Wheel base 1516 mm
Ground clearance 175 mm
Tank capacity 21 l
Unladen weight, full tank 227 kg
Max permissible weight 450 kg
Fuel consumption 4,2 l / 100 km ( at constant 90 km/h)
Acceleration 0 - 100 km/h 4,6 s
Top speed 200 km/h

Back to index