Yea I was going to do that as I belive they come rich from the factory I've just read ppl open up and richen it up even more me myself have always just taken the motor out of the box and left it at factory settings and just rand 2 tanks on the box and then drive it around at quarter throttle half throttle and then full throttle never brokenan onroad motor in so ddidn't know if there was a different method