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View Full Version : 300ex with a 400ex carb running a #45 pilot?



SET THE STAGE
06-04-2009, 07:05 PM
my bike seems to be running best at about 3 turns out with a 42 (i think it's a 42 at least. might be a 40 i'll check tomorrow)

should i go up to a 45? seems almost too big for a 300.. but i also don't know what's done to my engine so who knows

SET THE STAGE
06-04-2009, 11:06 PM
..anyone?

rob_990
06-09-2009, 04:37 PM
sounds big to me.im running a 42 in my 400 but put whatever it runs best at in there

SET THE STAGE
06-26-2009, 02:27 PM
well i finally got around to doing it and it runs like a champ now. i had always had trouble with bogging when i go from idle to wide open. i thought maybe it was because of the bigger carb but now with the 45 pilot at 1 1/2 turns out it just roars like no other.