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OS FS-91 SII idle screw location?

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Old 09-19-2015, 05:17 AM
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DUHAWK49
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Default OS FS-91 SII idle screw location?

I know most engines have the idle screw in the throttle arm. Problem is I don't believe that's the case on this engine. I have the manual but doesn't show the location from what I can tell. Can anyone help me figure out which screw I need to be adjusting? Thanks for any help.
Old 09-21-2015, 06:27 AM
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Bax
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O.S. calls it the "mixture control screw". That controls the idle mixture.
Old 09-21-2015, 10:04 AM
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Hobbsy
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The brass looking one if yours is set up similar..
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