The top speed of a Yamaha YZ125 is about 70 miles per hour. This is a lightweight motorcycle that weighs 209 pounds, and its sleek design and compact dimensions make it easy to maneuver on many types of terrain.
The engine on the Yamaha YZ125 is a 124 cubic centimeter, two-stroke engine that is liquid cooled. It also has a six-speed transmission and a multiplate wet clutch that pair well with the light wheels and front and rear tires made by Dunlop. The motorcycle has hydraulic single disc brakes in the front and rear, and it has a clutch lever position adjuster. The suggested price on this motorcycle is $6,390, as of 2015.