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Help with Hitachi Carb idle mixture setting?
Posted 19 January 2005 - 12:16 PM
Someone messed with the idle mixture setting.
Does anyone know what it is suppose to be?
Posted 19 January 2005 - 01:24 PM
Posted 19 January 2005 - 03:08 PM
I have to pass emissions. I do not have a tach so how can I determine the RPM w/o one?
Posted 19 January 2005 - 07:34 PM
For setting the idle mixture. Get your idle speed about where you want it, then adjust the idle mixture screw to the setting where the engine idles fastest. Then adjust the speed screw until it's back down where you started. Now adjust the idle mixture screw again. Repeat this process a few times, then turn the idle mixture screw in until the RPM drops just a tiny bit. This is apparently what you want for passing IM. Afterward, feel free to adjust back to where it idles best.
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