BMW R 1250GS (2021) vs BMW S 1000RR Isle of Man Edition (2021)
Comparison technical specifications
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| Make: | BMW | BMW |
| Model: | R 1250GS | S 1000RR Isle of Man Edition |
| Years: | 2021 | 2021 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, with two overhead spur gear driven camshafts, a counterbalance shaft and variable intake camshaft control system BMW ShiftCam, 4 valves per cylinder, intake 40mm, outlet 34 mm | Four stroke, transverse four cylinder, DOHC, 4 titanium valves per cylinder, BMW ShiftCam |
| Capacity: | 1254 cc / 76.5 cu-in | 999 cc / 60.9 cu-in |
| Bore x Stroke: | 102.5 x 76 mm | 80 x 49.7 mm |
| Compression Ratio: | 12.5:1 | 13.3:1 |
| Cooling System: | Liquid / Air cooled | Liquid/oil cooled |
| Emission: | Regulated three-way catalytic converter, compliant with EU5 emission standard | Closed-loop 3-way catalytic converter, emission standard EU-5 |
| Starting: | Electric | Electric |
| Max Power: | 136 hp / 100 kW @ 7750 rpm | 151 kW / 205 hp @ 13000 rpm |
| Max Torque: | 143 Nm / 105.4 lb-ft @ 6250 rpm | 113 Nm / 83.3 lb-ft @ 11000 rpm |
| Clutch: | Wet clutch with anti-hopping function, hydraulically activated | Multi-disc clutch in oil bath, anti-hopping clutch, mechanically operated, integrally-reinforced |
| Transmission: | Constant mesh 6-speed gearbox with helical gearing system | Constant-mesh 6-speed gearbox with straight cut gears |
| Final Drive: | Shaft | Chain 525 17/45 |
| Frame: | Two-section frame concept consisting of main frame with bolt-on rear frame, load-bearing engine | Aluminum composite bridge frame, partially self-supporting engine |
| Front Suspension: | BMW Motorrad 37mm Telelever, central spring strut | 45 mm Upside-down telescopic fork, compression and rebound stage adjustable, adjustable preload |
| Front Wheel Travel: | 190 mm / 7.4 in | 120 mm / 4.7 in |
| Rear Suspension: | Cast aluminium single-sided swing arm with BMW Motorrad Paralever; WAD strut (travel-related damping), spring pre-load hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable at handwheel | “WSBK” Aluminium swing arm, full floater pro, compression and rebound damping adjustable, adjustable preload |
| Rear Wheel Travel: | 200 mm / 7.8 in | 117 mm / 4.6 in |
| Front Brakes: | 2x 305mm floating discs, 4-piston radial brake calipers | 2x 320mm floating disc, radial 4-piston fixed calipers |
| Rear Brakes: | Single 276mm disc, 2-piston floating caliper | Single 220 mm disk, single-piston floating caliper |
| Wheels: | Cast aluminium wheels | Carbon fibre wheels |
| Front Tyre: | 120/70 R19 | 120/70 ZR17 |
| Rear Tyre: | 170/60 R17 | 190/55 ZR17 |
| Castor: | 100.6 mm / 4.0 in | 93.9 mm / 3.7 in |
| Dimensions: | Length 2207.0 mm / 86.9 in Width 952.5 mm / 37.5 in Height 1430 mm / 56.3 in | Length 2073 mm / 81.6 in Width 848 mm / 33.4 in Height 1151 mm / 45.3 in |
| Wheelbase: | 1514 mm / 60 in | 1441 mm / 56.7 in |
| Seat Height: | 850 mm to 870 mm / 33.5 in to 34.3 in 800 mm to 820 mm / 31.5 in to 32.3 in - Optional | 824 mm / 32.4 in |
| Wet Weight: | 249 kg / 549 lbs | 193.5 kg / 427 lbs |
| Fuel Capacity: | 20 Litres / 5.3 US gal | 16.5 Litres / 4.4 US gal |