K1
Start of Production |
1988 |
Click to view available literature |
End of Production | 1993 | |
Numbers Produced | 6,921 | |
Price | 20,200 DM | |
Engine | ||
Motor Type | Four-stroke horizontal four cylinder in-line engine, liquid cooled | |
Bore x Stroke | 67 x 70 mm (2.63 x 2.75 in) | |
Displacement | 987 cc | |
Max Power | 100 hp (74 KW) at 8,000 rpm | |
Max Torque | 100 Nm / 74 ft lb at 6,750 rpm | |
Compression Ratio | 11 : 1 | |
Valves Per Cylinder | 4 | |
Valve Control | DOHC, using drive chain and cup tappets | |
Carburation System | Electronic injection, Bosch Motronic | |
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 / 1.61 : 1 | |
Rear Wheel Ratio | 1 : 2.75 | |
Bevel/Crownwheel | 12 / 33 teeth | |
Electrical System | ||
Ignition System | Electronic ignition, Bosch Motronic | |
Alternator | 12 V 460 W | |
Starter | 0.7 Kw | |
Spark Plugs | Bosch XR 5 DC / Beru R-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 Paralever swinging arm | |
Spring Travel Front/Rear |
135 / 140 mm | |
Wheel Rims, Front | 3.50 x 17 MT H 2 | |
Wheel Rims, Rear | 4.50 x 18 MT H 2 | |
Tyres, Front | 120 / 70 ZR 17 | |
Tyres, Rear | 160 / 60 ZR 18 | |
Brakes, Front | Dual disc brake 305 mm / 12 in diameter. Brembo 4 piston caliper | |
Brakes, Rear | Single disc brake 285 mm / 11.22 in diameter | |
Dimensions/Weights | ||
Length x Width x Height | 2230 x 875 x 1210 mm (87.79 x 34.44 x 47.63 in) | |
Wheel Base | 1565 mm / 61.61 in | |
Fuel Tank Capacity | 22 litres / 4.84 UK gal / 5.81 US gal | |
Unladen Weight with Full Tank | 234 Kg / 515 lb | |
Max. Permissible Weight | 480 Kg / 1057 lb | |
Ground Clearance | 140 mm / 5.51 in | |
Seat Height (Unladen) | 780 mm (30.7 inches) | |
Fuel Consumption (at constant 90 Kph) | 4.2 litres 100 Km / 62 mpg / 56 mpg US | |
Top Speed | 240 Kph / 149 mph | |
Acceleration 0 - 100 Kph / 62 mph | 3.9 seconds | |
Power Graph |
Information kindly supplied by P.Hawksley