It appears you're interested in specifications for the Suzuki GS 550 E. This Sport touring model is powered by a In-line four, four-stroke engine with 549.00 ccm (33.50 cubic inches) of actual displacement before 8.6:1 compression. Fueling is metered via allowing this machine to produce its 49.00 HP (35.8 kW) horsepower and torque. According to our records engine heat of the Suzuki GS 550 E is moderated by Air. You'll need to get familiar with the 6-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 3.75-18 . 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 Dual disc front brakes and Expanding brake rear brakes. The Suzuki GS 550 E was launched in 1978, 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.