Husqvarna SM 450R (2010) vs BMW R 1250RS (2021)
Comparison technical specifications
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| Make: | Husqvarna | BMW |
| Model: | SM 450R | R 1250RS |
| Years: | 2010 | 2021 |
| Engine: | Four stroke, single cylinder, DOHC, 4 vlave | 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 |
| Capacity: | 449 cc / 27.4 cu-in | 1254 cc / 76.5 cu-in |
| Bore x Stroke: | 97 X 60.7 mm | 102.5 x 76 mm |
| Compression Ratio: | 12.9:1 | 12.5:1 |
| Cooling System: | Liquid cooled | Liquid / Air cooled |
| Induction: | Electronic injection MIKUNI D42 | Electronic intake pipe fuel injection, 52mm throttle valve |
| Starting: | Electric & kick | Electric |
| Max Power: | 46.9 hp / 34.5 kW @ 8500 rpm | 136 hp / 100 kW @ 7750 rpm |
| Max Torque: | 41.5 Nm / 30.6 lb-ft @ 7000 rpm | 143 Nm / 105.4 lb-ft @ 6250 rpm |
| Clutch: | Wet, multiple discs, cable operated | Wet clutch with anti-hopping function, hydraulically activated |
| Transmission: | 6 Speed | Constant mesh 6-speed gearbox with helical gearing system |
| Final Drive: | Chain | Shaft |
| Frame: | Steel single tube cradle (round tubes); rear frame in light alloy | Two-section frame concept consisting of main frame with bolt-on rear frame, load-bearing engine |
| Front Suspension: | 50mm Marzocchi Upside-Down telescopic hydraulic fork with advanced axle; compression and rebound stroke adjustment | Telescopic Upside-Down fork; stanchion diameter 45 mm |
| Front Wheel Travel: | 250 mm / 9.8 in | 140 mm / 5.5 in |
| Rear Suspension: | Progressive 'soft damp' with hydraulic adjustable single shock absorber; spring preload adjustment, compression and rebound adjustment compression stroke double adjustment | 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 |
| Rear Wheel Travel: | 290 mm / 11.4 in | 140 mm / 5.5 in |
| Front Brakes: | Single 320mm disc 4 piston caliper | 2x 320mm floating discs, 4-piston radial brake calipers |
| Rear Brakes: | Single 220mm disc 1 piston caliper | Single 276mm disc, 2-piston floating caliper |
| Front Tyre: | 120/70 -17 | 120/70 ZR17 |
| Rear Tyre: | 150/60 -17 | 180/55 ZR17 |
| Wheelbase: | 1495 mm / 58.9 in | 1530 mm / 60.2 in |
| Seat Height: | 915 mm / 36.0 in | 820 mm / 32.3 in OE low seat: 760 mm / 29.9 in OE sport seat: 840 mm / 33.0 in |
| Fuel Capacity: | 9.2 Litres / 2.4 US gal | 18 Litres / 4.7 US gal |