It appears you're interested in specifications for the TM Racing MX 85 Junior. This Cross / motocross model is powered by a Single cylinder, two-stroke engine with 85.00 ccm (5.19 cubic inches) of actual displacement before 17.2:1 compression. Fueling is metered via Carburettor. Mikuni 28 allowing this machine to produce its horsepower and torque. According to our records engine heat of the TM Racing MX 85 Junior is moderated by Liquid. You'll need to get familiar with the transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is and the rear is . The entire package is supported by the frame, Cr-Mo steel. Perimetral oval section.. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc front brakes and Single disc rear brakes. The TM Racing MX 85 Junior was launched in 2006, 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.