BMW R100RS Mono
| BMW R100RS Mono | |
| Manufacturer | BMW |
|---|---|
| Production | 1978-87 |
| Engine | Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder |
| Compression ratio | 8.45:1 |
| Top speed | 188.8 km/h / 117.3 mph |
| Ignition type | Battery ignition |
| Battery | Bosch W 7 DC / Beru 14-7 DU/ Champion N9YC |
| Transmission | 5 Speed |
| Frame type | Double sown tubs, dual cradle |
| Suspension | Front: Telescopic fork with hydraulic shock absorber. Rear: BMW Monolever swinging arm |
| Brakes | Front: 2 x ∅285mm discs, 2 piston calipers Rear: Simplex, ∅200 mm drum |
| Front Tire | 90/90 18 51 H |
| Rear Tire | 120/90 18 65 H |
| Wheelbase | 1447 mm / 57.67 in |
| Seat height | 820 mm / 32.3 in |
| Weight | 190 kg / 418 lbs (dry), 220 kg / 485 lbs (wet) |
| Fuel capacity | 22 Litres / 5.8 gal |
| Manuals | Service Manual |
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It could reach a top speed of 188.8 km/h / 117.3 mph.
Engine
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
Power was moderated via the Dry single plate, with lever action diaphragm spring.
Chassis
It came with a 90/90 18 51 H front tire and a 120/90 18 65 H rear tire. Stopping was achieved via 2 x ∅285mm 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 BMW Monolever swinging arm. The R100RS Mono was fitted with a 22 Litres / 5.8 gal fuel tank. The bike weighed just 190 kg / 418 lbs. The wheelbase was 1447 mm / 57.67 in long.
Photos
BMW R100RS Mono BMW R100RS Mono
Overview
| Make Model | BMW R 100RS |
|---|---|
| Year | 1978-87 |
| 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 W 7 DC / Beru 14-7 DU/ Champion N9YC |
| Starting | Electric |
| Max Power | 43.8 kW / 59.5 hp @ 6500 rpm |
| Max Torque | 74 Nm / 7.55 kg-m / 54.6 lb-ft @ 3500 rpm |
| Clutch | Dry single plate, with lever action diaphragm spring |
| Transmission | 5 Speed |
| Gear Ratio | 1st 4.4 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50 |
| 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 | 275 mm / 6.8 in |
| Rear Suspension | BMW Monolever swinging arm |
| Rear Wheel Travel | 121 mm / 4.7 in |
| Front Brakes | 2 x ∅285mm discs, 2 piston calipers |
| Rear Brakes | Simplex, ∅200 mm drum |
| Front Wheel | MTH 2.50 x 18 E |
| Rear Wheel | MTH 2.50 x 18 E |
| Front Tire | 90/90 18 51 H |
| Rear Tire | 120/90 18 65 H |
| Dimensions | Length 2175 mm / 85.6 in Width 800 mm / 314 in Height 1447 mm / 57.0 in |
| Wheelbase | 1447 mm / 57.67 in |
| Seat Height | 820 mm / 32.3 in |
| Ground Clearance | 140 mm / 5.5 in |
| Dry Weight | 190 kg / 418 lbs |
| Wet Weight | 220 kg / 485 lbs |
| Fuel Capacity | 22 Litres / 5.8 gal |
| Consumption Average | 6.5L/100 km / 15.4 km/l / 36.2 US mpg |
| Braking 60 Km/h - 0 / 100 Km/h - 0 | 15.1 m / 45.3 m |
| Standing ¼ Mile | 13.0 sec / 160.8 km/h / 99.9 mph |
| Top Speed | 188.8 km/h / 117.3 mph |