It appears you're interested in specifications for the Husqvarna 450 WR. This Enduro / offroad model is powered by a Single cylinder, two-stroke engine with 450.00 ccm (27.46 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor. Bing allowing this machine to produce its 36.00 HP (26.3 kW) horsepower and torque. According to our records engine heat of the Husqvarna 450 WR is moderated by Air. You'll need to get familiar with the 5-speed transmission and pay attention to final drive Shaft drive (cardan) maintainence. Our best information shows that the front tire size is and the rear is -17. The entire package is supported by the frame, CrMo steel. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Expanding brake (drum brake) front brakes and Expanding brake (drum brake) rear brakes. The Husqvarna 450 WR was launched in 1973, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.