The best dirt bikes for 12-13 year olds will have an engine cc size somewhere between 65-125cc. The power of the dirt bike will depend on your child’s maturity, their physical size and their prior dirt biking experience. Plus of course the cost of a new dirt bike will be important to you as a parent too. Is a 250 dirt bike good for a beginner?

An electric starter is a must feature for any good dirt bike for beginners. Some older models and commonly the MX or motocross models still use kick starts only and this may be a problem for beginner riders. Additionally, maybe the worst combination for a beginner dirt bike is an older four-stroke dirt bike with a kick start.
Whether you’re looking at the weight, the horsepower, top speed, or the price, these are the average specifications of a new 450 dirt bike: Horsepower. 53-58HP. Top Speed. 75mph. Weight. 234lbs-248lbs (wet & ready to ride) Seat Height. 37.4″ – 38.0″.

A 125 or 250 can both be good dirt bikes for beginners if you pick the right kind. For example, a TTR125 or CRF250F trail bike are good beginner dirt bikes. For example, a TTR125 or CRF250F trail bike are good beginner dirt bikes.

Warranty: 30 Day. For the ultimate 4-stroke trail ride, the Yamaha YZ250F should be your top choice. For years, the Yamaha dirt bike was in a class of its own with a ride that gives more torque than anything else in this range. And with the latest 2021, it kept that crown with a bike that’s even better than before.
The larger wheel supermini bikes are just a bigger version of the 85cc (or CRF150R) mini mx bikes. They have larger wheels – 19/16” vs 17/14”. So if you need a race bike for your teen and they’re between 5’0” and 5’6”, these large wheel supermini bikes are the best: Yamaha YZ85 LW. KTM 105 SX. Husqvarna TC 105. The 250r is a great bike that you will never grow out of. You can ride it slow as you want to. A lot of the other options people have given will be lacking as soon as you become a good rider. They are all excellent bikes. And they will all do you well as a beginner but as soon as you get good you’ll not enjoy them anymore. .