IF YOU ARE WONDERING WHAT IN THE WORLD A SUPERMINI IS, HERE IS THE SHORT ANSWER. IT IS A MINICYCLE CHASSIS WITH BIGGER WHEELS AND. AN ENGINE THAT CAN BE BUILT UP TO 112CC.

What size is a supermini?

A Supermini is a minicycle with 85cc-112cc maximum engine displacement (2-stroke) OR 150cc 4-stroke including big wheels. . Maximum rim size is 19” on front and minimum 16” on rear.

Can a 13 year old ride a yz125?

At 13 he is much more suited to the bike now. Power is fine, but they have to have pretty good throttle control, work the clutch and constantly make sure its in the right gear. Bank on having to replate the cylinder, along with everything else a bike of this age will need.