It had a turbine engine, not a motor with pistons.
Most kids will out grow the bike long before. It will ever need a motor rebuild.
Depends who made it and what style of bike it is.
motor bike
Order it from dirt bike bandit they sell all stock parts for dirtbikes, atvs, ruvs, and such ive bought many pistons from them
Typically 1 but many have 2 or more.
Bob the builder is the first person to make a motor bike
To show it is to be pushed, so has no motor Push bike = bicycle Motor bike = motorcycle
Pistons don't have bots. More information is needed.
Depending where you live, the motor bike, time and if you are liscenced.
a motor bike
depends on the model. from 2-7 gears