It's the same with small engines, if you run an engine with a governer which all small engines have except dirt bikes and racing go karts but they have rev limiters nowdays, if you pull the governer off say a 6 horse ) OHV Techumsea powersport ( Common go kart engine ), that has been in use for a number of years, and get it past the rpm it had run at b4, it is going to snap the ring, I know, I had to fix 1 that did that, getting the pushrods back correctly was hard though.