| MODEL | HUSQVARNA SM 450R 2008 - 2009 |
| Year | 2008 - 2009 |
| Engine Type | Four stroke, single cylinder, DOHC, 4 valve |
| Displacement / Capacity | 449 cc / 27.4 cu in |
| Bore X Stroke | 97 x 60.7 mm |
| Compression Ratio | 12.9:1 |
| Cooling System | Liquid cooled |
| Max Power | 34.5 kW / 46.9 hp @ 8500 rpm |
| Max Torque | 41.5 Nm / 30.6 lb-ft @ 7000 rpm |
| Ignition | Digital CDI |
| Induction | Mikuni D42 electronic fuel injection |
| Start System | Electric & kick |
| TRANSMISSION SPECS | |
| Lubrication | Dry sump with two oil pump rotors and cartridge filter |
| Gear Box | 6 speed |
| Clutch | Wet, multiple discs, cable operated |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Steel single tube cradle (round tubes); rear frame in light alloy |
| Front Suspension | 50 mm Marzocchi upside-down telescopic hydraulic fork with advanced axle, compression and rebound adjustment (250 mm / 9.8 in wheel travel) |
| Rear Suspension | Progressive Soft Damp single hydraulic shock, spring preload, compression and rebound adjustment, double compression adjustment (290 mm / 11.4 in wheel travel) |
| Front Brakes | Single 320 mm disc, 4 piston caliper |
| Rear Brakes | Single 220 mm disc, 1 piston caliper |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 915 mm / 36.0 in |
| Wheelbase | 1495 mm / 58.9 in |
| Ground Clearance | 270 mm / 10.6 in |
| Dry Weight | 119.2 kg / 262.8 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 120/70-17 |
| Rear Tyre | 150/60-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 9.2 Litres / 2.4 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 450 moved to Mikuni electronic fuel injection and a dry-sump lubrication system, with a higher compression ratio than the earlier carburetted bikes. Chassis and suspension stayed close to the 2006-07 model.
