It appears you're interested in specifications for the Kawasaki GPZ 305 Belt Drive (reduced effect). This Sport model is powered by a Twin, four-stroke engine with 306.00 ccm (18.67 cubic inches) of actual displacement before 9.7:1 compression. Fueling is metered via allowing this machine to produce its 27.00 HP (19.7 kW) horsepower and torque. According to our records engine heat of the Kawasaki GPZ 305 Belt Drive (reduced effect) is moderated by Air. You'll need to get familiar with the 6-speed transmission and pay attention to final drive Belt maintainence. Our best information shows that the front tire size is 90/90-18 and the rear is 110/80-18 . 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 Kawasaki GPZ 305 Belt Drive (reduced effect) was launched in 1988, 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.