It appears you're interested in specifications for the Lambretta LI 125 Series 1. This Scooter model is powered by a Single cylinder, two-stroke engine with 123.00 ccm (7.51 cubic inches) of actual displacement before 7.0:1 compression. Fueling is metered via Carburettor. DellÓrto allowing this machine to produce its 5.20 HP (3.8 kW) horsepower and torque. According to our records engine heat of the Lambretta LI 125 Series 1 is moderated by Air. You'll need to get familiar with the 4-speed transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 3.50-10 and the rear is 3.50-1+ . 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 front brakes and rear brakes. The Lambretta LI 125 Series 1 was launched in 1958, 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.