Without upgrades, the Yamaha TT-R90 has a top speed of about 40 mph. Numerous more variables, including the rider’s weight, tyre pressure, the type of terrain, and wind speed and direction, will affect the precise speed.
The air-cooled, single-cylinder, 4-stroke engine in the Yamaha TT-R90 has a 90cc displacement. Yamaha produced the TT-R90 from 2000 until 2007. The TT-R90 can be operated by kids aged 7 to 10 because to its low seat height, automatic three-speed clutch, and simple electric starter on all variants. A throttle stop is another feature of the TT-R90 that parents can utilise to control speed.