BMW R80RT Mono
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| BMW R 80 RT Mono | |
| Manufacturer | |
|---|---|
| Production | 1984 - 1985 |
| Class | Touring |
| Engine | air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylinder |
| Bore / Stroke | 83.8mm x 83.8mm |
| Compression ratio | 8.2:1 |
| Top Speed | 171 km/h / 106 mph |
| Horsepower | 50.02 HP (37.3 KW) @ 6500RPM |
| Torque | 44.26 ft/lbs (60.0 Nm) @ 3500RPM |
| Ignition | Battery ignition |
| Spark Plug | Bosch W 175 T 30 |
| Transmission | Gear box: 5-speed, manual Final Drive: shaft |
| Suspension | Front: telescopic hydraulic fork Rear: BMW Motorrad Monolever |
| Brakes | Front: dual 260mm discs, 1-piston caliper Rear: 200mm drum |
| Front Tire | 3.25 - H19 |
| Rear Tire | 4.00 - H18 |
| Wheelbase | 57.72 inches (1466 mm) |
| Length | 87.01 inches (2210 mm) |
| Width | 29.41 inches (747 mm) |
| Seat Height | 31.89 inches (810 mm) |
| Weight | 235.0 kg (wet) |
| Fuel Capacity | 24 Liters / 6.3 gal |
| Manuals | Service Manual |
The BMW R 80 RT Mono was a air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylinder Touring motorcycle produced by BMW between 1984 and 1985. Max torque was 44.26 ft/lbs (60.0 Nm) @ 3500 RPM. Claimed horsepower was 50.02 HP (37.3 KW) @ 6500 RPM.
Engine[edit | edit source]
A 83.8mm bore x 83.8mm stroke result in a displacement of just 797.0 cubic centimeters.
Drive[edit | edit source]
The bike has a 5-speed, manual transmission. Power was moderated via the dry, single plate, diaphragm spring.
Chassis[edit | edit source]
It came with a 3.25 - H19 front tire and a 4.00 - H18 rear tire. Stopping was achieved via dual 260mm discs, 1-piston caliper in the front and a 200mm drum in the rear. The front suspension was a telescopic hydraulic fork while the rear was equipped with a BMW Motorrad Monolever. The wheelbase was 57.72 inches (1466 mm) long.
1984 BMW R 80 RT Mono[edit | edit source]
The 1984 MY BMW R 80 RT Mono has been created to succeed the successful middle-weight tourer R 80 RT and has been fitted with BMW's acclaimed Monolever rear suspension unit, which increases comfort, reliability and agility, all the while reducing overall weight. It also comes with a dual seat, passenger grab rails, a large windscreen, a half-fairing, for increased protection against the elements, laced wheels, dual front disc brakes coupled to a rear drum, an analogue instrument panel and a telescopic front fork.
In the engine department it sports an air-cooled, four-stroke, 797cc, boxer twin cylinder powerhouse paired to a five-speed manual transmission, that produces a claimed 50 horsepower and 59 Nm of torque.
1985 BMW R 80 RT Mono[edit | edit source]
The 1985 MY BMW R 80 RT Mono has, at its heart, a four-stroke, air-cooled, 797cc, boxer twin cylinder powerplant paired to a five-speed manual transmission that can reach a maximum power output of 50 horsepower and 59 Nm of torque.
Also, it boasts standard fittings such as a dual seat, passenger grab rails, a large windscreen, a half-fairing, for increased protection against the elements, laced wheels, dual front disc brakes coupled to a rear drum, an analogue instrument panel and a telescopic front fork coupled to a BMW Motorrad Monolever rear suspension.
Photos[edit | edit source]
BMW R80RT Mono
BMW R80RT Mono
BMW R80RT Mono
BMW R80RT Mono
Specifications[edit | edit source]
| Make Model | BMW R 80RT Mono |
|---|---|
| Year | 1984 - 85 |
| Engine Type | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Displacement | 797.5 cc / 48.7 cu in. |
| Bore X Stroke | 84.8 x 70.6 mm |
| Cooling System | Air cooled |
| Compression | 8.2:1 |
| Induction | 2 x Bing constant depression carburetors |
| Ignition | Battery ignition |
| Alternator | Bosch 12 V/280 W |
| Spark Plug | Bosch W 175 T 30 |
| Starting | Electric |
| Max Power | 36.4 kW / 50 hp @ 6500 rpm |
| Max Torque | 59 Nm / 6.0 kgf-m / 43 ft lb @ 3500 rpm |
| Clutch | Dry single plate, with diaphragm spring |
| Transmission | 5 Speed |
| Final Drive | Shaft |
| Gear Ratio | 1st 4.40 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50 |
| Rear Wheel Ratio | 1:3.20 or 1:3.36 |
| Front Suspension | Telescopic hydraulic forks. |
| Front Wheel Travel | 200 mm / 7.3 in |
| Rear Suspension | Long swinging arm with adjustable strut. |
| Rear Wheel Travel | 125 / 4.9 in |
| Front Brakes | 2 x ∅260mm discs, 1 piston caliper |
| Rear Brakes | Single ∅200mm drum |
| Front Wheel | 2.15 - B19 |
| Rear Wheel | 2.50 - B18 |
| Front Tire | 3.25 - H19 |
| Rear Tire | 4.00 - H18 |
| Dimensions | Length 2210 mm / 87.0 in Width 746 mm / 29.3 in Height 1465 mm / 57.6 in |
| Wheelbase | 1465 mm / 57.67 in |
| Seat Height | 810 mm / 31.9 in |
| Ground Clearance | 130 mm / 5.11 in |
| Wet Weight | 235 kg / 417 lbs |
| Fuel Capacity | 24 Liters / 6.3 gal |
| Consumption Average | 4.9 L/100 km / 20.4 km/l / 48 mpg |
| Standing ¼ Mile | 13.9 sec |
| Top Speed | 171 km/h / 106 mph |
| Manual | 5united.net / BMW |