Aint none of us the DC####ing F.
I have safe competant drivers, ones that know money doesn't grow on trees, and recognize actions have consequences.
I don't live on the farm, actually the beach. My kids surfed in the womb, and are capable enough to be/are, Jr Lifeguards. They are fotunate enough to have parents that throw them off the dock to learn to swim. OK, thats a euphemism....
They rode dirt bikes or 3-wheelers before bicycles.
Nothing wrong with putting that power tool in their hand with proper training (by you, even though you aren't always pefect with safety) and supervision. FEAR is a tool to use in the training. I'm scared of pain and injury, so if its demonstrated that certain techniques will likely result in one or the other, way good?
I coach a bunch of different activities, and see kids with all kinds of skill and talent from one end to the other, and this is a call for one person.
MOM.
When I tell a parent that wants their kid to ride a dirtbike to go away, they do.
I tell the kid, every day you come home from riding and your arm aint broken, its another day you get to ride. One broken arm and your kicker is GONE.
Everything has limits, you go pushing them, and you might find out the wrong way exactly where it is, the hard way.
Refer to MOM paragraph.
Good luck.