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| Manufacturer | BMW |
|---|---|
| Production | 2018– |
| Predecessor | BMW R1200RS |
| Engine | 1,254 cc (76.5 cu in) liquid cooledboxer twin withvariable valve timing (VVT) |
| Bore /stroke | 102.5 mm × 76 mm (4.04 in × 2.99 in) |
| Compression ratio | 12.5:1 |
| Top speed | 143 mph (230 km/h) |
| Power | 136 horsepower (101 kW) @ 7,750 rpm |
| Torque | 105 pound force-feet (142 N⋅m) @ 6,250 rpm |
| Transmission | 6-speed,shaft drive |
| Suspension | Front: 45mm inverted fork Rear:BMW Paralever Optional electronic adjustment |
| Brakes | Front:
Rear: |
| Tires | Front:
Rear:
|
| Wheelbase | 1,530 mm (60 in) |
| Dimensions | L: 2,207 mm (86.9 in) W: 925 mm (36.4 in) H: 1,255 mm (49.4 in) |
| Seat height | 820 mm (32 in)[1] |
| Weight | 243 kg (536 lb)[1] (wet) |
| Fuel capacity | 18 L (4.0 imp gal; 4.8 US gal) |
| Related | BMW R1250RT,BMW R1250R,BMW R1250GS |
TheBMW R1250RS is asport touring motorcycle (Reise Sport) produced byBMW Motorrad. It was unveiled atEICMA in November 2018.[2] Like the other versions of the R-series, which include theR1250RT,R1250R (Roadster) andR1250GS, the motorcycle model is powered by a boxer engine.
The air- and water-cooled two-cylinder engine produces a nominal output of 100 kW (136 hp) at 7750 rpm and a maximum torque of 143 Nm at 6250 rpm from a displacement of 1254 cm3. It has a sliding camshaft (shiftcam) that adjusts the timing for the lower, middle and upper speed ranges and changes the intake valve lift.[2][3] Depending on the position, a partial load or full load cam acts on the valves. A regulated three-way catalytic converter treats the exhaust gas. The engine meets the Euro 5 emissions standard.[2] There is also engine drag torque control (MSR). Consumption in the WMTC cycle is given as 4.75 l/100 km (CO2 emissions are 110 g/km).[4] The magazine Motorrad und Reisen reports from around 3.9 to around 5.3 l/100 km.[1]
The frame consists of a main frame and a rear frame bolted to it, with the engine also serving as a load-bearing element. The R1250RS has an upside-down telescopic fork at the front and a cast aluminum single-sided swingarm at the rear.[1] The chassis is complemented by traction control (Dynamic Traction Control, DTC) and Pro driving modes with driving mode preselection. On request, a semi-active chassis with automatic level control to adapt to the load condition is available.[5]
The R1250RS is equipped with two LED headlights[6] and a 6.5-inch TFT display. The eCall emergency call is available upon request, as are add-on parts milled from solid aluminum.[2] The 6-speed transmission can be equipped with shift support, also known asquickshifter or blipper.[5] The machine has an 18-liter tank (including 4 liter reserve).[4]
