It appears you're interested in specifications for the Suzuki GT 550 J. This Classic model is powered by a In-line three, two-stroke engine with 543.00 ccm (33.13 cubic inches) of actual displacement before 6.8:1 compression. Fueling is metered via allowing this machine to produce its 48.00 HP (35.0 kW) horsepower and torque. According to our records engine heat of the Suzuki GT 550 J is moderated by Air. 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 3 25-19 and the rear is 4.00-18 . 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 Expanding brake front brakes and Expanding brake rear brakes. The Suzuki GT 550 J was launched in 1972, 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.