Spec Sheet
The information below is specific to the BMW - R 100 RS 77, 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.Bike Info
CC:
1000
Service
Valve Clearance Cold - Exhaust:
0.15 mm
Valve Clearance Cold - Inlet:
0.10 mm
Brakes
Front:
Twin Disc
Rear:
Drum
Front Disc Size:
260 mm
Front-Pistons-per-caliper:
1
Rear Drum Size:
200 mm
Dimensions
Fuel Capacity:
24 litres
Ground Clearance:
165 mm
Height:
1300 mm
Length:
2130 mm
Seat Height:
820 mm
Wet Weight:
230 kg
Wheelbase:
1465 mm
Width:
746 mm
Electrics
Voltage:
12v
Charging System:
Alternator - Bosch 12V/240 W
Ignition:
Battery ignition. From Sept 1980: contact free electronic ignition (Bosch)
Spark Plugs:
Bosch W 225 T 30 / Beru 230/14/3 A / Champion N6Y
Engine
Type:
Air Cooled 4 Stroke SOHC Flat Twin
Bore x Stroke:
94 x 70.6 mm
Carburation:
2 constant depression carburettors, Bing 94/40/105 - 94/40/106
Compression Ratio:
9.5:1
Displacement:
980 cc
Lubrication System:
Wet sump
No. of Valves:
4
Starting:
Electric - Bosch 0.6 hp
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 tubular frame with bolt on rear section
Motorcycle Style:
Sports
Number Produced:
33,648
Place of Manufacture:
Spandau - Berlin - Germany
Power
Fuel Consumption:
5.75 litres 100 Km / / 49 mpg
Max Power Output:
70 hp (51 KW) at 7,250 rpm
Max Torque:
76 Nm / 56 ft lb at 5,500 rpm
Top Speed:
124 mph
Suspension
Front:
Telescopic fork with hydraulic shock absorber
Rear:
Long swinging arm with adjustable strut
Tyres
Front:
325-H19 Tubed
Rear:
400-18 Tubed
Wheels
Front:
1.85 B 19
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.