hey guys really need your help on this one.I have a 1977 arctic cat eltigre 5000 which has the spirit engine in it with minkuni carbs.sled would run like crazy untill it was warmed up then stall had to choke it and pull for awhile then would start back up,maybe it cooled down enough i dont know.Anyway sprayed the pto side with carb cleaner and rpms changed . took engine apart .put new seals and case ,head gaskets in put back together with proper silicone torqed everthing to spec now engine does not even have to be warmed up .runs like crap right out the gate. seems like its not getting fuel.It will idles all day when you give it to it it bogges down and stalls got to choke and starts right up.dont know if its fuel or electrical rebuilt carbs and fuelpump new coil and wires plugs the only thing left is cdi box stator assembley.