| MODEL | HUSQVARNA WR 300 2009 - 2010 |
| Year | 2009 - 2010 |
| Engine Type | Two stroke, single cylinder, HTS Power Valve |
| Displacement / Capacity | 293.1 cc / 17.8 cu in |
| Bore X Stroke | 72 x 72 mm |
| Compression Ratio | 6.9:1 |
| Cooling System | Liquid cooled |
| Max Power | — |
| Max Torque | — |
| Ignition | Electronic CDI, analogue type with variable advance |
| Induction | Mikuni TMX 38 carburetor |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | Premix 50:1 |
| Gear Box | 5 Speed |
| Clutch | Wet multi-plate with mechanical control |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Steel single tube cradle (round tubes); rear frame in light alloy |
| Front Suspension | Marzocchi USD telescopic hydraulic fork, 50 mm leg diameter, advanced axle, compression and rebound adjustment; 300 mm / 11.8 in travel |
| Rear Suspension | Sachs progressive Soft Damp single hydraulic shock, spring preload, compression and rebound adjustment |
| Front Brakes | Single 260 mm disc |
| Rear Brakes | Single 220 mm disc |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | 1495 mm / 58.9 in |
| Ground Clearance | 345 mm / 13.6 in |
| Dry Weight | 107 kg / 235.9 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 90/90-21 |
| Rear Tyre | 140/80-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 9.5 Litres / 2.5 US gal |
| Fuel Consumption | — |
| Top Speed | — |
Bigger-bore successor to the WR 250, offered from 2009 as a replica of the machine Seb Guillaume raced in the Enduro World Championship. Compared with the 250 it has a revised head and exhaust, a V Force reed valve, a 38 mm carburettor and a new exhaust valve for stronger power through the range.
