i agree with fuel man. these engines are similar to a full size engine less the rings and fuel type but breakin is similar. dont run wot all the time but drive the thing. its like breaking in a new dirtbike. 95% of the breakin occurs in the first 20miles and the only way to seat ringsproperly is to drive it with full throttle bursts baisically dont tkae it easy on the engine but dont overwork it either