Originally Posted by
rcdude236
PRE-Run is misleading.. They only run 500cc of fuel through and engine maximum, so it is not BROKE-IN, just started on break-in.. You still need to put 3/4 of a gallon or more to finish break-in..
I've bought one engine pre-run, and I don't think I'll do it again.. not wortht he added $$$ IMO..