BMW K1

This 1990 K1 is an impressive example of BMW taking what it learned from the growing popularity of Japanese inline four superbikes, then putting its own distinct sport touring spin on the concept.

Model year

1990

Type

Supersport

Make

BMW

Engine Power

99.25 HP (73 kW) @ 8000 rpm

Top Speed

146.02 mph

Technical Specifications

Engine and transmission

Engine type:
4 cylinders, 4-stroke, Inline
Displacement:
987 cc (60.31 cubic inches)
Bore × stroke:
2.64 inch × 2.76 inch (square)
Cooling system:
Water cooled
Power:
99.25 HP (73 kW) @ 8000 rpm
Torque:
100 Nm (73.76 lb-ft) @ 6750 rpm
Valves
Valve train:
DOHC, variable
Valves per cylinder:
4
Fuel and ignition
Sparks per cylinder:
1
Fuel supply system:
Fuel injection
Ignition type:
Digital CDI
Throttle:
Cable operated
Compression:
11:1
Engine mounting:
Longitudinal
Lubrication system:
Wet sump
Gear box:
Manual 5-speed
Clutch:
Dry, single plate, cable operated
Final drive:
Shaft

Dimensions

Physical measures
Length:
87.8 inch
Width:
34.4 inch
Height:
47.6 inch
Wheel base:
61.6 inch
Ground clearance:
5.51 inch
Seat height:
30.7 inch
Weight
Curb weight:
582 lbs
Dry weight:
515.9 lbs

Chassis and suspension

Front
Suspension:
Cartridge
Brake:
Twin Disk, Ø12.01 inch
Tire:
120 / 70 R17 ZR
Rear
Suspension:
mono shock, Paralever
Brake:
Disk, Ø11.22 inch
Tire:
160 / 60 R18 ZR
Frame type:
steel, Trellis frame