The BMW Club Vintage & Classic Register

K1

Start of Production

1988

 

BMW K1

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 BMW K1 Power Graph

Information kindly supplied by P.Hawksley

www.bmbikes.co.uk