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Author Topic: 657A air mixture setting  (Read 534 times)

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Offline jwurbel

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657A air mixture setting
« on: August 06, 2023, 03:39:15 PM »
Thought I had this down for my K2.  Air mixture screw  in and richer.  Screw out leaner.  Read HondaMans book on page IV-3 and it seems to say the opposite.  Screw is on inlet, airbox side.

Am I wrong?
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Offline HondaMan

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Re: 657A air mixture setting
« Reply #1 on: August 06, 2023, 05:39:42 PM »
Out is richer, in is leaner.
It doesn't apply just air, or just fuel, it is applying the mixture that is already made in the emulsifier tube of the pilot jet.
So, if the screw is turned out, it lets in more fuel-air mixture, and if turned in, less of it.
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Offline jwurbel

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Re: 657A air mixture setting
« Reply #2 on: August 06, 2023, 06:32:13 PM »
Well that settles that

Thanks Mark.
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