It appears you're interested in specifications for the Triumph Thunderbird. This Classic model is powered by a In-line three, four-stroke engine with 885.00 ccm (54.00 cubic inches) of actual displacement before compression. Fueling is metered via allowing this machine to produce its 70.00 HP (51.1 kW) horsepower and 72.00 Nm (7.3 kgf-m or 53.1 ft.lbs) torque. According to our records engine heat of the Triumph Thunderbird is moderated by Liquid. You'll need to get familiar with the 5-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is and the rear is . The entire package is supported by the frame, . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on front brakes and rear brakes. The Triumph Thunderbird was launched in 1997, 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.