BMW R80 Mono
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| Manufacturer | BMW |
|---|---|
| Production | 1984-85 |
| Engine | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Compression ratio | 9.2:1 |
| Top speed | 180 km/h / 112 mph |
| Ignition type | Battery ignition |
| Sparkplug | Bosch W 7 D / Beru14-7DU / Champion N9YC |
| Transmission | 5 Speed |
| Frame type | Double loop tubular frame with bolt on rear section |
| Suspension | Front: Telescopic hydraulic forks. Rear: Monolever swinging arm. |
| Brakes | Front: Single ∅285mm disc, 1 piston calipers Rear: ∅200mm Drum |
| Front Tire | 90/90-17 |
| Rear Tire | 120/90-18 |
| Wheelbase | 1447 mm / 56.9 in |
| Weight | (dry), 210 kg / 462 lbs (wet) |
| Fuel capacity | 22 Litres / 5.8 US gal |
| Manuals | Service Manual |
| Tech Specs · Brochures · Reviews · Ads · Videos | |
It could reach a top speed of 180 km/h / 112 mph.
Engine
The engine was a Air cooled cooled Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.. The engine featured a 9.2:1 compression ratio.
Drive
Power was moderated via the Dry single plate, with diaphragm spring.
Chassis
It came with a 90/90-17 front tire and a 120/90-18 rear tire. Stopping was achieved via Single ∅285mm disc, 1 piston calipers in the front and a ∅200mm Drum in the rear. The front suspension was a Telescopic hydraulic forks. while the rear was equipped with a Monolever swinging arm.. The R80 Mono was fitted with a 22 Litres / 5.8 US gal fuel tank. The wheelbase was 1447 mm / 56.9 in long.
Photos
Overview
| Make Model | BMW R 80 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 | 9.2:1 |
| Induction | 2 x Bing constant depression carburetors |
| Ignition | Battery ignition |
| Alternator | Bosch 12 V/280 W |
| Spark Plug | Bosch W 7 D / Beru14-7DU / Champion N9YC |
| Starting | Electric |
| Max Power | 36.4 kW / 50 hp @ 6500 rpm |
| Max Torque | 58 Nm / 5.9 kgf-m / 42 ft/lb @ 4000 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 1.50:1 |
| Rear Wheel Ratio | 1:3.20 or 1:3.36 |
| Frame | Double loop tubular frame with bolt on rear section |
| Front Suspension | Telescopic hydraulic forks. |
| Front Wheel Travel | 175 mm / 6.8 in |
| Rear Suspension | Monolever swinging arm. |
| Rear Wheel Travel | 120 mm / 4.7 in |
| Front Brakes | Single ∅285mm disc, 1 piston calipers |
| Rear Brakes | ∅200mm Drum |
| Front Wheel | MTH 2.50 x 18 E |
| Rear Wheel | MTH 2.50 x 18 E |
| Front Tire | 90/90-17 |
| Rear Tire | 120/90-18 |
| Dimensions | Length 2175 mm / 85.6 in Width 800 mm / 31.2 in Height 1106 mm / 43.5 in |
| Wheelbase | 1447 mm / 56.9 in |
| Ground Clearance | 140 mm / 5.51 in |
| Wet Weight | 210 kg / 462 lbs |
| Fuel Capacity | 22 Litres / 5.8 US gal |
| Consumption Average | 5.9 L/100 km 17.0 km/l / 40 US mpg |
| Standing ¼ Mile | 14.5 sec |
| Top Speed | 180 km/h / 112 mph |