| Manufacturer | BMW Motorrad |
|---|---|
| Production | 1993–1999 |
| Predecessor | R100GS, R80GS |
| Successor | R1150GS |
| Class | Dual-sport |
| Engine | 1,085 cc (66.2 cu in) flat-twin, four valves per cylinder, oil-cooled[1] Compression ratio: 10.3:1 |
| Bore / Stroke | 99.0 × 70.5 mm (3.90 × 2.78 in) |
| Top speed | 121 mph (195 km/h) |
| Power | 80 hp (60 kW) @ 6,750 rpm |
| Torque | 97 N·m (72 ft·lbf) @ 5,250 rpm |
| Transmission | 5-speed shaft drive |
| Suspension | Front: BMW Telelever Rear: Single spring / shock absorber |
| Brakes | Front: Twin 305 mm disc Rear: Single 276 mm disc Optional ABS |
| Tyres | Front: 110/80-19 Rear: 150/70-17 |
| Wheelbase | 1,509 mm (59.4 in) |
| Dimensions | L 2,189 mm (86.2 in) W 920 mm (36 in) H 1,366 mm (53.8 in) |
| Seat height | 840 mm (33 in) to 860 mm (34 in) |
| Weight | 243 kg (540 lb) (wet) |
| Fuel capacity | 25 L (5.5 imp gal; 6.6 US gal) |
| Oil capacity | 3.75 litres (3.96 US qt) |
| Related | R850GS |
The BMW R1100GS is a dual-sport motorcycle that was manufactured from 1993 to 1999 by BMW Motorrad in Berlin, Germany.[2] The bike has a 1,085 cc flat-twin (boxer) engine, first seen in the R1100RS which was launched the year before in 1992,[2] and was the first member of the GS family to use an air- and oil-cooled engine, known as an "oilhead", as opposed to the earlier air-cooled airhead engines which had been used on BMW motorcycles since the R32 in 1923. From 1996 to 2001, a sister model, the smaller capacity 848 cc R850GS, was produced.[3] In 1999, the R1100GS was superseded by the R1150GS.
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Previous BMW motorcycles used the airhead engines such as the type 247 air-cooled flat-twin with two pushrod-activated valves per cylinder. The R1100GS oilhead engine introduced partial oil-cooling and four chain-driven valves per cylinder.[4] The engine also used Motronic fuel injection instead of the carburettors used on the earlier bikes.[4] Rear suspension and driveshaft used the same Paralever swingarm system as the previous bikes, but with the addition of remote pre-load adjustment on the shock absorber.[5] Front suspension used a new A-arm system called Telelever.[6] Options included heated handlebar grips and ABS.
A total of 39,842 models were produced.[4] After launch it became the best selling enduro motorcycle, selling 3,554 units in Germany. The number two model was the outgoing R100GS, which continued to be sold during 1994, and the third was the F650 Funduro.[2] Neil Peart, who is the drummer and lyricist for the Canadian rock band Rush, used an R1100GS for a 14 month, 55,000-mile (89,000 km) self-healing trip,[7] which he made in the late 1990s following the tragic deaths of his only daughter and wife.[8] The trip was documented in the book Ghost Rider: Travels on the Healing Road.[9]
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