BMW R100RT Mono

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BMW-R100RT-87.jpg
BMW R100RT Mono
Manufacturer
BMW
Production 1987 - 89
Class Touring
Engine
Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Compression ratio 8.45:1
Top Speed 203 km/h / 126 mph
Horsepower 59.94 HP (44.7 KW) @ 7000RPM
Torque 55.32 ft/lbs (75.0 Nm) @ 6000RPM
Ignition Battery ignition
Battery Bosch 0.6 hp (from 1978: 0.7 Kw)
Transmission 5 Speed
Final Drive shaft
Frame Double sown tubs, dual cradle
Suspension Front: Telescopic fork with hydraulic shock absorber.
Rear: Monolever swinging arm
Brakes Front: 2 x ∅260mm discs, 2 piston calipers
Rear: Simplex ∅200 mm drum
Front Tire 3.25 H-19
Rear Tire 4.00 H-18
Wheelbase 57.72 inches (1466 mm)
Length 83.11 inches (2111 mm)
Width 29.41 inches (747 mm)
Seat Height 32.28 inches (820 mm)
Weight 238 Kg / 525 lbs (wet)
Fuel Capacity 24 Liters / 6.3 US gal
Manuals Service Manual

The BMW R 100 RT Mono was a air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylinder Touring motorcycle produced by BMW between 1987 and 1994. Max torque was 55.32 ft/lbs (75.0 Nm) @ 6000 RPM. Claimed horsepower was 59.94 HP (44.7 KW) @ 7000 RPM. It could reach a top speed of 203 km/h / 126 mph.

Engine[edit | edit source]

The engine was a Air cooled cooled Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder. The engine featured a 8.45:1 compression ratio.

Drive[edit | edit source]

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

Chassis[edit | edit source]

It came with a 3.25 H-19 front tire and a 4.00 H-18 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 Monolever swinging arm. The R100RT Mono was fitted with a 24 Liters / 6.3 US gal fuel tank. The wheelbase was 1465 mm / 57.67 in long.


1987 BMW R 100 RT Mono[edit | edit source]

The 1987 MY BMW R 100 RT Mono has received the acclaimed BMW Motorrad Monolever rear suspension and swingarm, which drastically improve comfort levels, maneuverability and also make for an overall lighter machine. It has, at its heart, an air-cooled, four-stroke, 980cc, boxer twin cylinder powerplant mated to a five-speed manual transmission and can produce a claimed 60 horsepower and 74 Nm of torque.

It also comes with features such as a dual seat, a chromed, dual exhaust, a half-fairing with a large, adjustable windshield, a telescopic front fork, dual front disc brakes coupled to a drum rear unit, a center stand, die-cast aluminum wheels and an analogue instrumentation panel.


1988 BMW R 100 RT Mono[edit | edit source]

The 1988 MY BMW R 100 RT comes with standard fittings such as a dual seat, a chromed, dual exhaust, a half-fairing with a large, adjustable windshield, a telescopic front fork, a BMW Motorrad Monolever rear suspension, dual front disc brakes coupled to a drum rear unit, a center stand, die-cast aluminum wheels and an analogue instrumentation panel.

In the engine department it sports a four-stroke, air-cooled, 980cc, two cylinder boxer powerhouse paired to a five-speed manual transmission with a shaft final drive, that can reach a maximum power output of 60 horsepower and 74 Nm of torque.


1989 BMW R 100 RT Mono[edit | edit source]

If you are on the market for an agile, liter-class, machine that also is can take on longer hauls, solo or two-up, then the 1989 MY BMW R 100 RT Mono may be the right choice for you. It has, at its heart, an air-cooled, four-stroke, 980cc, two cylinder boxer powerplant mated to a five-speed manual transmission that can produce a claimed 60 horsepower and 74 Nm of torque.

It also comes with features such as a dual seat, a chromed, dual exhaust, a half-fairing with a large, adjustable windshield, a telescopic front fork, a BMW Motorrad Monolever rear suspension, dual front disc brakes coupled to a drum rear unit, a center stand, die-cast aluminum wheels and an analogue instrumentation panel.


1990 BMW R 100 RT Mono[edit | edit source]

The 1990 MY BMW R 100 RT Mono comes with a dual seat, a chromed, dual exhaust, a half-fairing with a large, adjustable windshield, a telescopic front fork, a BMW Motorrad Monolever rear suspension, dual front disc brakes coupled to a drum rear unit, a center stand, die-cast aluminum wheels and an analogue instrumentation panel.

In addition, it boasts a maximum power output of 60 horsepower and 74 Nm of torque from its four-stroke, air-cooled, 980cc, boxer two cylinder engine that is paired to a five-speed manual transmission with a shaft final drive.


1991 BMW R 100 RT Mono[edit | edit source]

The 1991 MY BMW R 100 RT Mono has, at its heart, an air-cooled, four-stroke, 980cc, boxer twin cylinder powerplant paired to a five-speed manual transmission, that can produce a claimed 60 horsepower and 74 Nm of torque.

It also comes with features such as a dual seat, a chromed, dual exhaust, a half-fairing with a large, adjustable windshield, a telescopic front fork, a BMW Motorrad Monolever rear suspension, dual front disc brakes coupled to a drum rear unit, a center stand, die-cast aluminum wheels and an analogue instrumentation panel.


1992 BMW R 100 RT Mono[edit | edit source]

The 1992 MY BMW R 100 RT Mono addresses touring riders that expect more agility from their machine, and comes with standard fittings such as a dual seat, a chromed, dual exhaust, a half-fairing with a large, adjustable windshield, a telescopic front fork, a BMW Motorrad Monolever rear suspension, dual front disc brakes coupled to a drum rear unit, a center stand, die-cast aluminum wheels and an analogue instrumentation panel.

In the engine department it comes with a four-stroke, air-cooled, 980cc, two cylinder boxer powerhouse mated to a five-speed manual transmission with a shaft final drive, and can reach a maximum power output of 60 horsepower and 74 Nm of torque.


1993 BMW R 100 RT Mono[edit | edit source]

The 1993 MY BMW R 100 RT Mono sports an air-cooled, four-stroke, 980cc, boxer twin cylinder powerplant paired to a five-speed manual transmission and can produce a claimed 60 horsepower and 74 Nm of torque. It also comes with features such as a dual seat, a chromed, dual exhaust, a half-fairing with a large, adjustable windshield, a telescopic front fork, a BMW Motorrad Monolever rear suspension, dual front disc brakes coupled to a drum rear unit, a center stand, die-cast aluminum wheels and an analogue instrumentation panel.


1994 BMW R 100 RT Mono[edit | edit source]

The 1994 MY BMW R 100 RT Mono is a liter-class touring machine, that also boasts superior agility. It comes with features such as a dual seat, a chromed, dual exhaust, a half-fairing with a large, adjustable windshield, a telescopic front fork, a BMW Motorrad Monolever rear suspension, dual front disc brakes coupled to a drum rear unit, a center stand, die-cast aluminum wheels and an analogue instrumentation panel.

In addition, it boasts a maximum power output of 60 horsepower and 74 Nm of torque from its air-cooled, four-stroke, 980cc, boxer twin cylinder powerplant mated to a five-speed manual transmission with a shaft final drive.

Photos[edit | edit source]

Specifications[edit | edit source]

Make Model BMW R 100RT Mono
Year 1987 - 89
Engine Type Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Displacement 980 cc 59.8 cu in
Bore X Stroke 94 x 70.6 mm
Cooling System Air cooled
Compression 8.45:1
Lubrication Wet sump
Induction 2 x Constant depression carburettors, Bing 94/40/105 - 94/40/106
Ignition Battery ignition
Alternator Bosch 12V/240 W
Battery Bosch 0.6 hp (from 1978: 0.7 Kw)
Starting Electric
Max Power 43.7 kW / 60 hp @ 7000 rpm
Max Torque 74 Nm / 7.5 kgf-m / 54.6 ft-lb @ 6000 rpm
Clutch Dry single plate, with diaphragm spring
Transmission 5 Speed
Gear Ratio 1st 4.4 / 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 Monolever swinging arm
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 1.85 B 19
Rear Wheel 2.75 C 18
Front Tire 3.25 H-19
Rear Tire 4.00 H-18
Dimensions Length 2110 mm / 87 in Width 746 mm / 29.37 in Height 1465 mm / 57.67 in
Wheelbase 1465 mm / 57.67 in
Seat Height 820 mm / 32.3 in
Ground Clearance 165 mm / 6.49 in
Wet Weight 238 Kg / 525 lbs
Fuel Capacity 24 Liters / 6.3 US gal
Consumption Average 5.1 L/100 km / 19.6 km/l / 46 US mpg
Standing ¼ Mile 13.8 sec / 153 km/h / 95 mph
Top Speed 203 km/h / 126 mph