K75S
Start of Production | 1985 |
Click to view available literature |
End of Production | 1990 | |
Numbers Produced | 9,566 | |
Price | 12,890 DM | |
Engine | ||
Motor Type | Four-stroke horizontal three cylinder in-line engine, liquid cooled | |
Bore x Stroke | 67 x 70 mm (2.63 x 2.75 in) | |
Displacement | 740 cc | |
Max Power | 75 hp (55 KW) at 8,500 rpm | |
Max Torque | 68 Nm / 50 ft lb at 6,750 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 Lubricating System | Wet sump | |
Power Transmission | ||
Clutch | Dry single plate | |
Number of Gears | 5 | |
Gear Selection | Dog type gearbox (ratchet foot lever) | |
Gearbox 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 teeth | |
Electrical System | ||
Ignition System | 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 wheel suspension | Telescopic fork with hydraulic shock absorber | |
Rear wheel suspension | BMW Monolever swinging arm | |
Spring Travel Front/Rear | 185 / 114 mm (7.28 x 4.48 in) | |
Wheel Rims, Front | MTH 2.50 x 18 E | |
Wheel Rims, Rear | MTH 2.75 x 18 E | |
Tyres, Front | 100/90 x 18 56 H | |
Tyres, Rear | 130/90 x 18 56 H | |
Brakes, Front | Dual disc brake 285 mm / 11.22 in diameter. Brembo 2 piston caliper | |
Brakes, Rear | Mechanically actuated drum brake 200 mm / 7.87 in diameter | |
Dimensions / Weights | ||
Length x Width x Height | 2220 x 900 x 1300 mm (87.40 x 35.43 x 51.18 in) | |
Wheel Base | 1516 mm / 59.68 in | |
Fuel Tank Capacity | 21 litres / 4.61 gal / 5.54 gal US | |
Unladen Weight with Full Tank | 227 Kg / 500 lb | |
Max. Permissible Weight | 450 Kg / 991 lb | |
Ground Clearance | 175 mm / 6.88 in | |
Seat Height (Unladen) | 810 mm (31.90 inches) or 760 mm (29.90 inches) for low seat model | |
Fuel Consumption (at constant 90 Kph) | 4.2 litres 100 Km / 67 mpg / 56 mpg US | |
Top Speed | 200 Kph / 124 mph | |
Acceleration 0 - 100 Kph / 62 mph | 4.6 seconds | |
Information kindly supplied by P.Hawksley