 | |
| Manufacturer | BMW Motorrad |
|---|---|
| Production | 1993–2001 |
| Predecessor | BMW R100RS |
| Successor | BMW R1150RS |
| Class | Sport-touring[1] orstandard[2] |
| Engine | 1,085 cc, 4-valve air- and oil-cooledflat twin boxer |
| Power | 90 hp (67 kW) |
| Transmission | 5-speed, shaft drive, dry clutch |
| Suspension | Front:Telelever Rear:Paralever |
| Brakes | Front: Dual 12 in (300 mm) disc, 4-pot caliper Rear: Single disc OptionalABS |
| Tires | Front: 120/70-17 Rear: 160/60-18 |
| Rake,trail | 65.9° |
| Wheelbase | 57.5 in (1,460 mm) |
| Dimensions | L: 85.6 in (2,170 mm) W: 26.2 in (670 mm) |
| Seat height | 31.5 in (800 mm) |
| Weight | 527 lb (239 kg) (dry) 564 lb (256 kg)[1] (wet) |
| Fuel capacity | 6.1 US gal (23 L) |
TheBMW R1100RS is asport-touringmotorcycle that was manufactured byBMW Motorrad between 1993 and 2001,[3] and was the first BMW motorcycle to use the R259 "Oilhead"boxer engine.
The R259 1,085 cc flat-twin engine has a maximum output of 90 horsepower (67 kW).[4] The engine was named "Oilhead" as it hadair-cooled cylinders butoil-cooled heads.
The BMW R1100RS used a frameless design, using the engine as astressed member, an approach used by BMW for all subsequent oilheads (except the R1100S). Instead of having conventionaltelescopic forks, the R1100RS used BMW's ownTelelever suspension which bolted directly to the engine. The Telelever design has a superficially similar appearance to telescopic forks, but braking forces are taken back horizontally, minimising "fork dive". A rearsubframe supported the rider, passenger and luggage.[5][6] Both fully-faired and half-faired variants were available.[5]
In 1993 the engine was adopted for theR1100GS.[3][7] In 1999, a more powerful six-speed version of the R259 engine was fitted in theBMW R1100S. In 2013 BMW introducedliquid-cooling for their flat-twin motorcycle engines,[8] but the company still fit oilhead boxer engines toroadsters such as theR nineT and theR1100R.
The R1100RS was marketed in the United States from 1994, when it was chosen asCycle World's beststandard motorcycle of 1994.[2]
70 years after the R 32 of 1923, BMW presents the BMW R 1100 RS sports tourer at the beginning of the 1993 season, the first model of the new boxer generation, followed one year later by the Enduro model BMW R 1100 GS.
As with all oilhead BMWs ... the engine functions as a stressed member; various subframes solidly mount to it to support the fork, seat and related components.
The R1100RS was the first of the oilheads released.
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