BMW R45 (reduced effect)
The 1980 BMW R45 (reduced effect) is a stylish and All-Rounder motorcycle with Air cooled, 473cc, Boxer, OHV and 27.06 HP (19.9 kW) @ 6500 rpm.
Technical Specifications
Engine and transmission
- Engine type:2 cylinders, 4-stroke, Boxer
- Displacement:473 cc (28.9 cubic inches)
- Bore × stroke:2.76 inch × 2.42 inch (oversquare - shortstroke)
- Cooling system:Air cooled
- Power:27.06 HP (19.9 kW) @ 6500 rpm
- Torque:31.3 Nm (23.09 lb-ft) @ 5000 rpm
- Throttle:Cable operated
- Valve train:OHV, variable
- Valves per cylinder:2
- Sparks per cylinder:1
- Fuel supply system:Carburetor
- Funnel diameter:1.02 inch
- 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
- Length:83.1 inch
- Width:27.1 inch
- Height:42.5 inch
- Wheel base:54.7 inch
- Ground clearance:5.12 inch
- Seat height:30.3 inch
- Curb weight:451.9 lbs
Chassis and suspension
- FrontSuspension:CartridgeSuspension travel:6.89 inchBrake:Single Disk, Ø10.24 inchTire:3.27 × 18
- RearSuspension:twin shock, SwingarmSuspension travel:4.33 inchBrake:Drum, Ø7.87 inchTire:4.02 × 18
- Frame type:steel, Double cradle frame
Other
- ABS available:No
- Power-to-weight ratio:0.10 KW/lbs (10.30 lbs/HP)
- Acceleration (0-60 mph):8.5 sec
- Top speed:90.1 mph
- Fuel capacity:5.81 gals
- Number of riders:2 persons
