It appears you're interested in specifications for the Suzuki RG 400 Gamma. This Sport model is powered by a V4, two-stroke engine with 397.40 ccm (24.25 cubic inches) of actual displacement before 7.0:1 compression. Fueling is metered via Carburettor. Mikuni VM28SH (VM28SS), four (Flat Slide) allowing this machine to produce its 59.00 HP (43.1 kW) horsepower and torque. According to our records engine heat of the Suzuki RG 400 Gamma is moderated by Liquid. 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 2.50-16 and the rear is 2.75-17 . The entire package is supported by the frame, double downtube, full cradle, box section aluminium perimetre frame. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Double disc. 4-piston calipers front brakes and Single disc. 2-piston caliper rear brakes. The Suzuki RG 400 Gamma was launched in 1985, 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.