does the accelerator pump afect jetting??


2 replies to this topic
  • Shane_Bettin

Posted July 09, 2004 - 05:23 PM

#1

i did the wheel collar mod to my yz400f a while ago. if the collar is to low and its squirting little gas, could it lean out the mixture.

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  • grayracer513

Posted July 09, 2004 - 06:35 PM

#2

Remember that the accelerator pump only works while the throttle is being opened, and is intended to add fuel to the mixture by force until the air flow through the carb catches up with the size of the opening. Once things start moving, it has no effect. Too big a shot, and it will blubber when the throttle is rolled open more gradually. Too little and it stumbles, or wheezes when you bust it open.

  • DoctorRzed

Posted July 10, 2004 - 08:51 AM

#3

tHERE IS A GREAT ARTICLE IN THE Motocross action Mag :thumbsup:





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