It appears you're interested in specifications for the Linhai Mainstreet 300. This Scooter model is powered by a Single cylinder, four-stroke engine with 275.00 ccm (16.78 cubic inches) of actual displacement before 9.0:1 compression. Fueling is metered via Carburettor allowing this machine to produce its horsepower and torque. According to our records engine heat of the Linhai Mainstreet 300 is moderated by Air. You'll need to get familiar with the Automatic transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 110/90-12 and the rear is 130/90-12 . The entire package is supported by the frame, Steel pipe. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. 2-piston caliper front brakes and Expanding brake (drum brake) rear brakes. The Linhai Mainstreet 300 was launched in 2009, 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.