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Missing Air Jets- 4-1 Pipes

  • Thread starter Thread starter Sebby110
  • Start date Start date
S

Sebby110

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Can anyone think of a scenario where you would remove the air jets (the jets facing the airbox)? I'm puzzled :-s if the PO just forgot to put them back in, or if it might have been a necessary step in re-jetting for the 4-1 exhaust he installed @#$%% ?? Bike runs great, lots of "PULL", and I'm of the mindset...if it ain't broke (or sounds like it's about to break), don't fix it. Just curious !! PS: It's an '80-GS850- stock everything else (i.e. airbox)
Thanks
 
Can't imagine why they are not there. There needs to be a certain amount of METERED air that is mixed with the pilot jet to provide the mixture. With no air metering, I would check the size of the pilot jets and the setting for the pilot (mixture) screw to see if they have been "adjusted" to compensate.

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OK. I'll check the pilot jet size.
So the affect of getting unmetered air (unrestricted or too much air ?) would produce a lean or starving engine ? In other words, more air than fuel in the mixture ? Or, perhaps just the opposite...more air means it's sucking up more fuel for a richer combustion ?? Thanks
 
Great Reads Chuck-Thanks
In my case, I'm inclined to beleive the PO intentionally left the air jets out (all 4). If one was missing, I could see it being an oversight, but all 4 are out.
Bike fires right up. Really great throttle response. From my limited frame of reference/comparison, it seems to be working fine- dunno :confused:. Perhaps PO modified the pilot jet size to compensate, like Steve suggested- I'll check on that.
 
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