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BMW K 75S

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Make Model

BMW K75S

Year

1985 - 86

Production

18000+ units

Engine

Four-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder

Capacity

740 cc / 45 cub. in.
Bore x Stroke 67 x 70 mm
Compression Ratio 11.0:1
Cooling Liquid cooled
Lubrication Wet sump

Induction

Electronic injection, Bosch LE-Jetronic

Starting

Electric

Max Power

55 kW / 75 hp @ 8500 rpm

Max Torque

68 Nm / 50 ft lb @ 6750 rpm

Transmission

5 Speed

Clutch

Single dry plate
Final Drive Shaft
Gear Ratios 1st 4.50 / 2nd 2.96 / 3rd 2.30 / 4th 1.88 / 5th 1.67:1
Frame Double-downtube frame with engine as a stressed member; box-section aluminum monolever swing arm

Front Suspension

Telescopic fork with hydraulic shock absorber

Front Wheel Travel

185mm / 7.3 in

Rear Suspension

Monolever swinging arm

Rear Wheel Travel

114mm / 4.5 in

Front Brakes

2 x 285mm discs, 2 piston calipers

Rear Brakes

Single 285mm disc

Front Tyre

100/90-18

Rear Tyre

130/90-17

Dimensions

Length 2220 mm / 87 in
Width    900 mm / 35.4 in
Height 1340 mm / 51.2 in
Wheel Base 1516 mm / 59.7 in
Seat Height 810 mm /31.9 in. or 760 mm / 29.9 in for low seat model
Ground Clearance 175 mm / 6.9 in

Dry Weight

229 kg / 505 lbs

Wet Weight

235 kg / 518 lbs

Fuel Capacity 

21 Litres / 5.54 US gal

Fuel consumption

4 l/100 km / 25 km/l / 59 US mpg

Acceleration 0 - 100 km/h / 62 mph

4.7 sec

Top Speed

210 km/h / 131 mph
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The BMW K 75 S featured a half-shell fairing attached to the handlebars designed in a sporty style and was launched together with the K 75 C model in 1985. Apart from the fairing with integrated flashers and a rectangular headlamp unit, this motorcycle was distinguished from the latter by narrower handlebars mounted at a lower level than in the K 75 C, a more tautly tuned sports chassis with shorter spring travel, and a disc brake mounted in the 17 inch rear wheel. These features were intended to emphasise the sporting aspiration of the S Version. In fact, the K 75 S was rather more responsive and precise on winding roads than the "C", which was tuned for comfort.

Yamaha FZ750 vs Kawasaki GPz750R vs BMW K75S