| MODEL | BMW R 100R 1991 - 1992 |
| Year | 1991 - 1992 |
| Engine Type | Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder |
| Displacement / Capacity | 980 cc / 59.8 cu in |
| Bore X Stroke | 94 x 70.6 mm |
| Compression Ratio | 8.5:1 |
| Cooling System | Air/oil cooled |
| Max Power | 44 kW / 60 hp @ 6500 rpm |
| Max Torque | 76 Nm / 56 lb-ft @ 3750 rpm |
| Ignition | Contactless electronic ignition (Bosch) |
| Induction | 2 x Bing 94/40/123 - 94/40/124 constant depression carburettors |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 5 Speed |
| Clutch | Dry single plate, with lever action diaphragm spring |
| Final Drive | Shaft |
| CHASSIS SPECS | |
| Frame | Double loop tubular frame with bolt-on rear section |
| Front Suspension | Showa 41 mm telescopic fork, 140 mm / 5.5 in travel |
| Rear Suspension | Paralever swingarm, single Showa shock adjustable for rebound damping, 135 mm / 5.3 in travel |
| Front Brakes | 2 x 285 mm discs, 4 piston calipers |
| Rear Brakes | 200 mm drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 800 mm / 31.5 in |
| Wheelbase | 1494 mm / 58.8 in |
| Ground Clearance | 170 mm / 6.7 in |
| Dry Weight | 197 kg / 435 lbs |
| Wet Weight | 213 kg / 469 lbs |
| WHEEL SPECS | |
| Front Tyre | 110/80 V18 |
| Rear Tyre | 140/80 V17 |
| FUEL SYSTEM | |
| Fuel Capacity | 24 Litres / 6.3 US gal |
| Fuel Consumption | 4.9 L/100 km / 20.4 km/l / 48 US mpg |
| Top Speed | 181 km/h / 113 mph |
Launched in 1991, the R 100 R was BMW's first official retro roadster, built by putting the R 100 GS engine, main frame, Paralever swingarm and tank under classic naked styling. A new rear subframe, Showa suspension, an 18-inch front wheel and road tyres turned it into a road bike, and twin Brembo four-piston calipers gave it strong front brakes for a boxer. Testers liked its low-down torque and easy handling but criticised its odd controls and finish.
