BMW R 80GS (1987) vs BMW F 900XR (2025)
Comparison technical specifications
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| Make: | BMW | BMW |
| Model: | R 80GS | F 900XR |
| Years: | 1987 | 2025 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 797.5 cc / 48.7 cu in. | 895 cc / 54.6 cu-in |
| Bore x Stroke: | 84.8 x 70.6 mm | 86 x 77 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 8.2:1 | 13.1:1 |
| Induction: | 2 x Bing constant depression carburetors | Electronic intake pipe injection / digital engine management system: BMS-X with throttle-by-wire |
| Ignition: | Battery ignition | Electronic |
| Alternator: | Bosch 12 V/280 W | permanent magnetic alternator 416 W (nominal power) |
| Starting: | Electric | Electric |
| Max Power: | 37 kW / 50 hp @ 6500 rpm | 78 kW / 105 hp @ 8500 rpm |
| Max Torque: | 61 Nm / 6.2 kgf-m / 44 ft lb @ 5000 rpm | 93 Nm / 68.6 lb-ft @ 6750 rpm |
| Clutch: | Dry single plate, with diaphragm spring | Multiple-disc wet clutch (anti hopping), mechanically operated |
| Transmission: | 5 Speed | Constant mesh 6-speed gearbox integrated in crankcase |
| Final Drive: | Shaft | Endless O-ring chain with shock damping in rear wheel hub |
| Frame: | Double loop tubular frame with bolt on rear section | Bridge-type frame, steel shell construction, load bearing engine |
| Front Suspension: | ∅40mm Marzocchi telescopic hydraulic forks. | 43mm inverted fork with adjustable damping rebound and compression damping as well as adjustable spring preload. |
| Front Wheel Travel: | 225 mm / 8.8 in | 170 mm / 6.7 in |
| Rear Suspension: | BMW Paralever swinging arm | Aluminum double-sided swing arm, directly linked central spring strut, hydraulically adjustable spring preload, adjustable rebound damping (Optional equipment: Dynamic ESA) |
| Rear Wheel Travel: | 180 mm / 7.0 in | 173 mm / 6.8 in |
| Front Brakes: | Single ∅285mm disc | 2 x 320mm floating discs, 4-piston radial brake calipers, hydraulically operated |
| Rear Brakes: | ∅200mm Drum | Single 265mm discs, single-piston floating caliper, hydraulically operated |
| Front Tyre: | 90/90 x 21S | 120/70 ZR 17 |
| Rear Tyre: | 13/80 x 17S | 180/55 ZR 17 |
| Dimensions: | Length 2290 mm / 90.1 in Width 1000 mm / 39.3 in Height 1165 mm / 45.8 in | Length 2159 mm / 85 in Width 919 mm / 36.2 in |
| Wheelbase: | 1514 mm / 59.6 in | 1534 mm / 60.4 in |
| Seat Height: | 850 mm / 33.5 in | 846 mm / 33.3 |
| Wet Weight: | 210 kg / 462 lbs | 216 kg / 476 lbs |
| Fuel Capacity: | 24 L / 6.3 US gal | 15.5 Litres / 4.1 US gal |