BMW K 75
Number sold 18.485
Price 11.990,- DM
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| 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 |
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| Power transmission | |
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| 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 |
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| Electrical system | |
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| 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 |
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| Suspension | |
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| 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 - 17 68 H |
| Brakes front | dual-disc brake Ø 285 mm |
| Brakes rear | Simplex drum brake Ø 200 mm or single disc brake Ø 285 mm |
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| Dimensions and weights | |
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| 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 |
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