BMW R100RS Motorsport Special Edition

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BMW-R100RS-SE-78.jpg
BMW R100RS Motorsport Special Edition
Manufacturer
BMW
Production 1978
Class Touring
Engine
Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Compression ratio 9.5:1
Top Speed 196 km/h / 121.5 mph
Horsepower 70.0 HP (52.2 KW) @ 7000RPM
Torque 56.06 ft/lbs (76.0 Nm) @ 6000RPM
Ignition Battery ignition
Transmission 5 Speed
Frame Double sown tubs, dual cradle
Suspension Front: Telescopic fork with hydraulic shock absorber.
Rear: Long swinging arm with adjustable strut.
Brakes Front: 2 x ∅260mm discs, 2 piston calipers
Rear: Simplex ∅200 mm drum
Front Tire 3.25 - H19
Rear Tire 4.00 - H18
Wheelbase 1465 mm / 57.67 in
Seat Height 820 mm / 32.3 in
Weight 230 kg / 506 lbs (wet)
Fuel Capacity 24 Liters / 6.3 US gal
Manuals Service Manual

The BMW R 100 RS Motorsport Special Edition was a air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylinder Touring motorcycle produced by BMW in 1978. Max torque was 56.06 ft/lbs (76.0 Nm) @ 6000 RPM. Claimed horsepower was 70.0 HP (52.2 KW) @ 7000 RPM. It could reach a top speed of 196 km/h / 121.5 mph.

Engine[edit]

The engine was a Air cooled cooled Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder. The engine featured a 9.5:1 compression ratio.

Drive[edit]

Power was moderated via the Dry single plate, with diaphragm spring.

Chassis[edit]

It came with a 3.25 - H19 front tire and a 4.00 - H18 rear tire. Stopping was achieved via 2 x ∅260mm discs, 2 piston calipers in the front and a Simplex ∅200 mm drum in the rear. The front suspension was a Telescopic fork with hydraulic shock absorber. while the rear was equipped with a Long swinging arm with adjustable strut.. The R100RS Motorsport Special Edition was fitted with a 24 Liters / 6.3 US gal fuel tank. The wheelbase was 1465 mm / 57.67 in long.

Photos[edit]

BMW R100RS Motorsport Special Edition



1978 BMW R 100 RS Motorsport Special Edition[edit]

1978 BMW R 100 RS Motorsport Special Edition 1978 BMW R 100 RS Motorsport Special Edition 1978 BMW R 100 RS Motorsport Special Edition

The Motorsport Special Edition of the R 100 RS from BMW welcomes touring riders with a special paint scheme, to make it stand out in a crows, BMW "Mag" wheels, a more efficient braking system with dual front discs and a single rear one and a blue-tinted dual seat. In all other departments, it features the same specs as the base model.

In the engine department, it sports an air-cooled, four-stroke, 980cc, boxer twin cylinder powerhouse paired to a five-speed manual transmission that can produce a claimed 76 Nm of torque and 70 horsepower.

Specifications[edit]

Make Model BMW R 100RS Motorsport Special Edition
Year 1978
Engine Type Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Displacement 980 cc / 59.8 cub in.
Bore X Stroke 94 x 70.6 mm
Cooling System Air cooled
Compression 9.5:1
Lubrication Wet sump
Induction 2 x Constant depression carburettors, Bing 94/40/105 - 94/40/106
Ignition Battery ignition
Alternator Bosch 12V/240 W
Starting Electric
Max Power 51 kW / 70 hp / @ 7000 rpm
Max Torque 76 Nm / 7.75 kgf-m / 56 ft-lb @ 6000 rpm
Clutch Dry single plate, with diaphragm spring
Transmission 5 Speed
Gear Ratio 1st 4.40 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50:1
Gear Ratio Sport Version 1st 3.38 / 2nd 2.43 / 3rd 1.93 / 4th 1.67 / 5th 1.50
Rear Wheel Ratio 1:2.91 or 1:3.00
Bevel / Crown Wheel 11/32 teeth or 10/32 teeth
Final Drive Shaft
Frame Double sown tubs, dual cradle
Front Suspension Telescopic fork with hydraulic shock absorber.
Front Wheel Travel 200 mm / 7.8 in
Rear Suspension Long swinging arm with adjustable strut.
Rear Wheel Travel 125 mm / 4.9 in
Front Brakes 2 x ∅260mm discs, 2 piston calipers
Rear Brakes Simplex ∅200 mm drum
Front Wheel 2.15 - B19
Rear Wheel 2.50 - B18
Front Tire 3.25 - H19
Rear Tire 4.00 - H18
Dimensions Length 2130 mm / 83.8 in Width 746 mm / 29.37 in Height 1300 mm / 51.8 in
Wheelbase 1465 mm / 57.67 in
Seat Height 820 mm / 32.3 in
Ground Clearance 165 mm / 6.49 in
Wet Weight 230 kg / 506 lbs
Fuel Capacity 24 Liters / 6.3 US gal
Consumption Average 4.8 L/100 km / 20.8 km/l / 49 US mpg
Standing ¼ Mile 13.9 sec / 157 km/h / 97.3 mph
Top Speed 196 km/h / 121.5 mph