BMW F 850GS (2021) vs Yamaha FJR 1300A / AE / AS (ES in USA) (2017) vs BMW R 18 (2021)
Comparison technical specifications
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| Make: | BMW | Yamaha | BMW |
| Model: | F 850GS | FJR 1300A / AE / AS (ES in USA) | R 18 |
| Years: | 2021 | 2017 | 2021 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, two cylinder horizontally opposed Boxer, Pushrod-actuated OHV w/ two camshafts, 4 valves per cylinder |
| Capacity: | 853 cc / 52 ci-in | 1298 cc / 79.2 cu-in | 1802 cc / 110 cu-in |
| Bore x Stroke: | 84 x 77mm | 79 x 66.2 mm | 107.1 X 100 mm |
| Compression Ratio: | 12.7:1 | 10.8:1 | 9.6:1 |
| Lubrication: | Dry sump | Wet sump | Wet sump |
| Induction: | Electronic intake injection | Yamaha Electronic Fuel Injection with YCC-T | Fuel injection, 48 mm Throttle valves |
| Starting: | Electric | Electric | Electric, 1.5 kW |
| Max Power: | 90 hp / 66 kW @ 8000 rpm | 105.7 kW / 146.2 hp @ 8000 rpm | 67 kW / 91 hp @ 4750 rpm |
| Max Torque: | 86 Nm / 63.4 lb-ft @ 6250 rpm | 138 Nm / 14,1kgf-m / 101.8 lb-ft @ 7000 rpm | 158 Nm / 116 lb-ft @ 3000 rpm |
| Clutch: | Multiplate wet clutch (anti-hopping), mechanically controlled | Wet, multiple discs, hydraulic operated A/ES: Assist -and-Slipper clutch AS: Electronic clutch-less gearshift system | Hydraulically activated single-disc dry clutch |
| Transmission: | Constant mesh 6-speed gearbox integrated in crankcase | 6 Speed | Constant-mesh 6-speed |
| Final Drive: | Endless O-ring chain with shock damping in rear wheel hub | Shaft | Shaft, Final Drive 3.091 |
| Frame: | Steel bridge frame in monocoque design, load-bearing engine | Aluminium, diamond shaped | Construction type Double-loop steel tube frame |
| Front Suspension: | 43 mm USD forks | 48mm Upside-down telescopic fork with adjustable preload, compression and rebound damping (AE/AS/ES: Suspension electronically adjustable) | 49 mm Telescopic fork, Non-adjustable |
| Front Wheel Travel: | 230 mm / 9 in - OE: suspension lowering kit 210 mm / 8.2 in | 135 mm / 5.3 in | 120 mm / 4.7 in |
| Rear Suspension: | Cast aluminium dual swing arm, central WAD spring strut, spring pre-load hydraulically adjustable, rebound damping adjustable | Single shock, link-type, with adjustable preload and rebound damping (AE/AS/ES: Suspension electronically adjustable) | Cantilevered spring-preload adjustable shock |
| Rear Wheel Travel: | 215 mm / 8.4 in - OE: suspension lowering kit 195 mm / 7.6 in | 124 mm / 4.9 in | 80 mm / 3.5 in |
| Front Brakes: | 2 x 305mm floating discs, 2 piston floating calipers | 2 x 320mm discs, 4 piston calipers, unified brake system, ABS | 2X 300mm discs |
| Rear Brakes: | Single 265mm disc,1 piston floating caliper | Single 282 mm disc, 2 piston caliper, unified brake system, ABS | Single 300mm disc |
| Front Tyre: | 90/90 21 | 120/70 ZR17 | 120/70 R 19 or B 19 (manufacturer-dependent) |
| Rear Tyre: | 150/70 R17 | 180/55 ZR17 | 180/65 B 16 |
| Dimensions: | Length: 2305 mm / 90.7 in Width: 922 mm / 36.3 in (incl mirrors) Height: 1356 mm / 53.3 in (excl mirrors) | Length 2230 mm / 87.8 in. Width 749.3 mm / 29.5 in. Height 1455 mm / 57.3 in. | Length: 2440 mm / 36 in Width: 964 mm / 37.9 in with mirrors |
| Wheelbase: | 1593 mm / 62.7 in | 1544.3 mm / 60.8 in | 1731 mm / 68.1 in |
| Seat Height: | 860 mm / 33.8 in - OE suspension lowering kit: 815 mm / 32 in - OE low seat: 835 mm / 32.8 in - OE comfort seat: 875 mm / 34.4 in - OA rallye seat: 890 mm / 35 in | 805 mm - 825.5 mm / 31.7 in - 32.5 in. | 690 mm / 27.2 in |
| Wet Weight: | 233 kg / 513.6 lbs | A: 288 kg / 635 lbs AE/ ES: 292 kg / 644 lbs AS: 296 kg / 653 lbs | 345 kg / 760.5 lbs |
| Fuel Capacity: | 15 Litres / 4.0 US gal | 25 Litres / 6.6 gal | 16 Litres / 4.2 US gal |