Full Version: what is a 400ex stock jet?
like is says. i need to know in order to rejet my bros 440....
QUOTE(motocrosser440ex @ Dec 23 2008, 03:17 PM) 
like is says. i need to know in order to rejet my bros 440....
the stock main is a 148
the stock pilot is a 38 i believe
great thanks very much. any ideas on what i should be using with a R4 slipon? its really popping on decel so im figuring on maybe a 155 main and 42 pilot.
QUOTE(coryatver @ Dec 23 2008, 03:30 PM)
QUOTE(motocrosser440ex @ Dec 23 2008, 03:17 PM)
like is says. i need to know in order to rejet my bros 440....
the stock main is a 148
the stock pilot is a 38 i believe
the parts fiche list both a 148 & a 142 but 38 is right on the pilot
QUOTE(katch26 @ Dec 23 2008, 04:08 PM)
QUOTE(coryatver @ Dec 23 2008, 03:30 PM)
QUOTE(motocrosser440ex @ Dec 23 2008, 03:17 PM)
like is says. i need to know in order to rejet my bros 440....
the stock main is a 148
the stock pilot is a 38 i believe
the parts fiche list both a 148 & a 142 but 38 is right on the pilot
155/42 is a great starting point IMO
i just went 1.5 screws out on the fuel screw, still having alot of popping, and its not taking the throttle at all (cutting) IMO it seems like its loaded up, just boggy when i get on the gas. but i thinks its just because im use to my 450.
we run 42 in our 300,s cuz we use 400ex ex carbs i would recomend a 42 pilot
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