BMW F 850GS 40 Years Edition (2021) vs KTM 450 SMR (2021)
Comparison technical specifications
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| Make: | BMW | KTM |
| Model: | F 850GS 40 Years Edition | 450 SMR |
| Years: | 2021 | 2021 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, single cylinder, SOHC, 4 valve |
| Capacity: | 853 cc / 52 ci-in | 449.9 cc / 27.4 cu-in |
| Bore x Stroke: | 84 x 77mm | 95 x 63.4 mm |
| Compression Ratio: | 12.7:1 | 12.75:1 |
| Lubrication: | Dry sump | Pressure lubrication with 2 rotor pumps |
| Induction: | Electronic intake injection | Keihin EFI with 44 mm throttle body |
| Ignition: | Knock control and oxygen sensors. | Keihin EMS |
| Starting: | Electric | Electric |
| Clutch: | Multiplate wet clutch (anti-hopping), mechanically controlled | Suter slipper clutch with Brembo hydraulics |
| Transmission: | Constant mesh 6-speed gearbox integrated in crankcase | 5 Speed |
| Final Drive: | Endless O-ring chain with shock damping in rear wheel hub | 14:45 |
| Frame: | Steel bridge frame in monocoque design, load-bearing engine | Central double-cradle, chromoly steel with aluminum subframe |
| Front Suspension: | 43 mm USD forks | 48mm Fully adjustable WP Xact inverted fork |
| Front Wheel Travel: | 230 mm / 9 in - OE: suspension lowering kit 210 mm / 8.2 in | 284.5 mm / 11.2 in |
| Rear Suspension: | Cast aluminium dual swing arm, central WAD spring strut, spring pre-load hydraulically adjustable, rebound damping adjustable | Linkage-assisted WP Xact shock |
| Rear Wheel Travel: | 215 mm / 8.4 in - OE: suspension lowering kit 195 mm / 7.6 in | 266.7 mm / 10.5 in |
| Front Brakes: | 2 x 305mm floating discs, 2 piston floating calipers | Single 310 mm disc with Brembo hydraulics |
| Rear Brakes: | Single 265mm disc,1 piston floating caliper | Single 220mm disc with Brembo hydraulics |
| Front Tyre: | 90/90 21 | 125/60 x 16.5, Bridgestone Battlax Supermoto |
| Rear Tyre: | 150/70 R17 | 165/65 x 17, Bridgestone Battlax Racing |
| Steering Head Angle: | 62° | 63.9º |
| Wheelbase: | 1593 mm / 62.7 in | 1468 mm ± 10 mm / 57.8 ± 0.4 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 | 890 mm / 35 in |
| Fuel Capacity: | 15 Litres / 4.0 US gal | 7 Litres / 1.85 US gal |