BMW G 650 X Challenge (2008) vs BMW F 650GS Dakar (2008) vs BMW F 800GS (2014) vs BMW K 1200R (2006-07)
Comparison technical specifications
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| Make: | BMW | BMW | BMW | BMW |
| Model: | G 650 X Challenge | F 650GS Dakar | F 800GS | K 1200R |
| Years: | 2008 | 2008 | 2014 | 2006-07 |
| Engine: | Four stroke, single cylinder, DOHC, 4 valves per cylinder | Four stroke, single cylinder, DOHC, 4 valves per cylinder | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 652 cc / 39.8 cub in. | 652 cc / 39.8 cub. in. | 798 cc / 47.7 cub. in. | 1157 cc / 70.6 cu in |
| Bore x Stroke: | 100 x 83 mm | 100 x 83mm | 82 x 75.8 mm | 79 X 59 mm |
| Compression Ratio: | 11.5:1 | 11.5:1 | 12.0:1 | 13.0:1 |
| Induction: | Fuel induction | Fuel induction | Electronic intake injection, ∅45mm throttle bodies | Injection |
| Ignition: | Capacitor Discharge Ignition system | Capacitor Discharge Ignition system | Knock control and oxygen sensors | Electronic |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 39 kW / 53 hp @ 7000 rpm | 37.3 kW / 50 hp @ 6800 rpm | 62.5 kW / 85 hp @ 7500 rpm | 120 kW / 161 hp @ 10250 rpm |
| Max Torque: | 60 Nm / 6.1 kgf-m / 44.3 lb-ft @ 5250 rpm | 60 Nm / 6.12 kgf-m / 44.25 lb-ft. @ 5200 rpm | 80 Nm / 8.2 kgf-m / 59 lb-ft @ 5750 rpm | 127 Nm / 12.9 kgf-m / 93.7 lb-ft @ 8250 rpm |
| Transmission: | 5 Speed | 5 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain | Shaft |
| Frame: | Bridge-type steel tube frame with bolted die-cast | Bridge-type steel section frame with bolted-on rear section | Tubular frame in steal partly carrying the engine | Bridging frame, die-cast aluminium, load bearing engine |
| Front Suspension: | ∅45mm Upside-down telescopic fork | 41mm Telescopic fork with stabilizer bridge | 43mm Marzocchi. Upside down forks, | BMW Motorrad Duolever; central spring strut, rebound damping electronically adjustable with optional ESA |
| Rear Suspension: | Aluminum 2-unit cast swing arm, air damping | Spring setting and rebound stage damping continuously adjustable | Double strut swing arm aluminium coast in one piece, | Die-cast aluminium single-sided swinging arm with BMW Motorrad Paralever; central spring strut with lever system, spring pre-load adjustable to continuously variable levels by means of hydraulic handwheel (electronically adjustable with optional ESA), adjustable rebound damping (rebound damping and compression electronically adjustable with optional ESA) |
| Front Brakes: | Single ∅300mm disc, 2 piston calipers | Single ∅300mm disc, 2 piston caliper | 2 x ∅300mm discs, 4 piston calipers, ABS | 2 x ∅320mm discs, 4 piston calipers |
| Rear Brakes: | Single ∅240mm disc, 1 piston calipers | Single ∅240mm disc, 1 piston caliper | Single ∅265mm disc, 2 piston caliper, ABS | Single ∅265mm disc |
| Front Tyre: | 90/90 S 21 | 90/90 S21 | 90/90 - 21 54V | 120/70-17 |
| Rear Tyre: | 120/70 S 18 | 130/80-17 | 150/70 - 17 69V | 180/55-17 |
| Seat Height: | 930 mm / 36.6 in (low seat: 910 mm / 35.8 in.) | 870 mm / 34.3 in | 880 mm - 820 mm / 34.6 in. - 32.3 in. | 820 mm / 32.3 in. |
| Dry Weight: | 144 kg / 317 lbs. | 176 kg / 388 lbs. | 177.8 kg / 392 lbs | 237 kg / 522 lbs |
| Fuel Capacity: | 9.5 Litres / 2.5 US gal | 17.3 Litres / 4.6 US gal. | 16 Litres / US 4.2 gal. | 19 L / 5.0 US gal |
| Consumption Average: | 5.2 L/100 km / 19.3 km/l / 45.4 US mpg | 4.7 l/100 km / 60.5 mph | 5.1 l/100km / 19.6 km/l / 45.9 US mpg | 5.8 L/100 km / 17.2 km/l / 40.5 US mpg |
| Standing ¼ Mile: | 14.0 sec | 14.4 sec | 12.5 sec | 10.8 sec |
| Top Speed: | 162.9 km/h / 101 mph. | 172 km/h / 106.9 US mpg | 199.0 km/h / 124 mph | 262 km/h / 163 mph |