Spec Sheet
The information below is specific to the BMW - R 45/45 N (Single disc with ATE caliper) 79, showing anything for service information to the amount of fork oil or even the tyre pressures. If you would like to contribute any missing information, please use the edit link below.
Back.BMW - R 45/45 N (Single disc with ATE caliper) 79
Bike Info
CC:
450
Bike Description:
Boxer
Service
Valve Clearance Cold - Exhaust:
0.20 mm
Valve Clearance Cold - Inlet:
0.10 mm
Brakes
Front:
Disc
Rear:
Drum
Front Disc Size:
260 mm
Front-Pistons-per-caliper:
2
Rear Drum Size:
200 mm
Dimensions
Fuel Capacity:
22 litres
Height:
1080 mm
Length:
2110 mm
Seat Height:
770 mm
Wet Weight:
205 kg
Wheelbase:
1390 mm
Width:
688 mm
Electrics
Voltage:
12
Charging System:
Alternator - Bosch 280 W
Ignition:
Battery ignition. From 1981model: Contact free electronic ignition
Spark Plugs:
NGK BP7ES
Engine
Type:
Air Cooled 4 Stroke SOHC Flat Twin
Bore x Stroke:
70 x 61.5 mm
Compression Ratio:
9.2:1
Displacement:
473.4 cc
Lubrication System:
Wet Sump
No. of Valves:
4
Valve Train:
OHV using push rod and rocker arm
Transmission
Clutch Type:
Dry single plate with diaphragm spring
Final Drive:
Shaft
Gearchange Pattern:
1 N 2 3 4 5
Gear Ratio 1st:
4.4:1
Gear Ratio 2nd:
2.86:1
Gear Ratio 3rd:
2.07:1
Gear Ratio 4th:
1.67:1
Gear Ratio 5th:
1.50:1
Transmission:
5 Speed
Misc.
Frame:
Double loop steel tubular frame
Motorcycle Style:
Roadster
Place of Manufacture:
Spandau - Berlin - Germany
Power
Max Power Output:
35 hp (26 Kw) at 7,250 rpm
Max Torque:
37.5 Nm at 5,500 rpm
Top Speed:
100 mph
Suspension
Front:
Telescopic fork with hydraulic shock absorber
Rear:
Long swinging arm with adjustable strut
Tyres
Front:
90/90-H18 Tubeless
Rear:
110/90-H18 Tubeless
Wheels
Front:
1.85 B 18
Rear:
2.50 B 18
Add information to the model
All information presented on the website is given to the best of our knowledge at the given time. All information is intended to only as a guide. A major Japanese manufacturer's quote:
We reserve the right to vary our specification with or without notice, and as such time and in such manner as we think fit.