1985 BMW R45 (reduced effect) specifications.

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Engine and transmission 1985 BMW R45 (reduced effect)
Engine type:
2 cylinders, 4-stroke, Boxer
Displacement:
473 cc (28.9 cubic inches)
Bore × stroke:
70 mm × 61.5 mm (oversquare - shortstroke)
Cooling system:
Air cooled
Power:
27.06 HP (19.9 kW) @ 6500 rpm
Torque:
31.3 Nm (3.19 kg-m) @ 5000 rpm
Throttle:
Cable operated
Valves:
Valve train:
OHV, variable
Valves per cylinder:
2
Fuel and ignition:
Sparks per cylinder:
1
Fuel supply system:
Carburetor
Funnel diameter:
26 mm
Compression:
8.2:1
Engine mounting:
Longitudinal
Lubrication system:
Wet sump
Gear box:
Manual 5-speed
Clutch:
Dry, single plate, cable operated
Final drive:
Shaft
Spark plug pipe type:
Bosch, W 5 D
Starter:
Electric
Dimensions 1985 BMW R45 (reduced effect)
Physical measures:
Length:
2110 mm
Width:
688 mm
Height:
1080 mm
Wheel base:
1400 mm
Ground clearance:
130 mm
Seat height: :
810 mm
Weight:
Curb weight:
205 kg
Chassis and suspension 1985 BMW R45 (reduced effect)
Frame type:
steel, Double cradle frame
Front:
Suspension:
Cartridge
Suspension travel:
175 mm
Brake:
Single Disk, Ø260 mm
Tire:
3.27 × 18
Rear:
Suspension:
twin shock, Swingarm
Suspension travel:
110 mm
Brake:
Drum, Ø200 mm
Tire:
4.02 × 18
Other 1985 BMW R45 (reduced effect)
ABS available:
No
Power-to-weight ratio:
0.10 HP/kg(10.30 kg/HP)
Acceleration (0-100 km/h):
8.5 sec
Top speed:
145 km/h
Fuel capacity:
22 l
Number of riders:
2 persons