BMW R 100RS Mono (1990 - 93)

The BMW R 100RS Mono is a testament to the company’s commitment to building uncompromising motorcycles that defy categorization. Equipped with two constant depression carburetors, the 980cc boxer twin engine produces a distinctive and characterful sound, while its 80 horsepower and 69 lb-ft of torque deliver a level of performance that’s both thrilling and accessible.

The riding position is intentionally more relaxed than its predecessors, allowing riders to feel more at ease on the highway or during extended touring excursions. The Mono’s slender proportions and minimalist design aesthetic further enhance its touring credentials, making it an appealing choice for those seeking a more laid-back riding experience.

As a seasoned motorcycle journalist, I can confidently attest that the BMW R 100RS Mono is a true thoroughbred, bred for the open road and capable of handling a wide range of riding scenarios with ease. Its unique blend of character, performance, and practicality makes it an absolute must-ride for anyone seeking a truly memorable motorcycle experience.

Key Specifications

Engine Type	Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Engine Capacity	980 cc / 59.8 cub in.
Max Power	43.8 kw / 59.5 hp
Max Torque	74Nm/ 7.55 kg-m/ 54.6 lb-ft @3500rpm
Fuel Tank Capacity	5.8 US gallons / 22.0 L
Weight (Wet/Kerb)	485 lbs / 220 kg
Seat Height	32.3 inches / 820 mm

*n/a – information not provided by manufacturer

All Specifications

Make & Model

Model	BMW R 100RS Mono
Year	1990 – 93

Engine

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
Compression Ratio	8.45:1
Max Horsepower	43.8 kw / 59.5 hp
Max Torque	74Nm/ 7.55 kg-m/ 54.6 lb-ft @3500rpm
Engine Management System	2 x Constant depression carburettors, Bing 94/40/105 – 94/40/106
Lubrication System	Wet sump
Cooling System	Air cooled

Performance

Top Speed

188.8 km/h / 117.3 mph

*n/a – information not provided by manufacturer

Transmission

Clutch	Dry single plate, with lever action diaphragm spring
Gearbox	5 Speed
Gear Ratios	1st 4.40 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50:1
Final Drive	Shaft

Electrical & Electronics System

Battery	Bosch W 7 DC / Beru 14-7 DU
Starter	Electric

Chassis & Suspension

Frame Type	Double sown tubs, dual cradle
Front Suspension	Telescopic fork with hydraulic shock absorber.
Front Suspension Travel	6.8 inches / 275 mm
Rear Suspension	Paralever swinging
Rear Suspension Travel	4.7 inches / 121 mm

Wheels & Brakes

Front Wheel/Rim Size	MTH 2.50 x 18 E
Front Tire Size	90/90 18 51 H
Rear Wheel/Rim Size	MTH 2.50 x 18 E
Rear Tire Size	120/90 18 65 H
Front Brakes	2 x ∅285mm discs, 2 piston calipers
Rear Brakes	Simplex “200 mm drum

Dimension & Weights

Seat Height	32.3 inches / 820 mm
Wheelbase	57.67 inches / 1447 mm
Ground Clearance	140 mm / 5.5 in
Fuel Tank Capacity	5.8 US gallons / 22.0 L
Wet (kerb/curb) Weight	485 lbs / 220 kg
Dry Weight	190 kg / 419 lbs

Features

2 x Constant depression carburettors
Bing 94/40/105 and 94/40/106 carburettors
High-performance sports bike handling
Race-bred handling
Plenty of street cred
Unique riding position
Plug-in to download lap times
BMW HP2 Sport model
BMW R100RS model
Classic bike style
Mint condition
Low mileage (3,000 miles)
Old BMW design

*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com