Question about Honda Motorcycles
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Posted on Jan 02, 2017
There should be one screw (I'm assuming it's the Carter YF carburetor 1 barrel) that's by itself away from linkages etc, more to center at base of carb where it meets manifold, that is angled approx 45 degrees going in to base. That should be your mixture screw. What symptoms are you experiencing anyway?
Posted on Apr 04, 2009
Hello ddsaul2...If it's only been a day since the shop adjusted the carbs. you need to return it to them and make them do it right.
Sounds like a float valve is stuck and not closeing.They may have cracked a seat... There could be a pin hole in one of the floats causeing it to fill up with gas and sink. You can check and make sure all the vacuum lines are connected and possibly GENTLY tap on the carb fuel bowls to see if the float might be stuck alll the way down. Personally...if i paid for a carb tune i'd make them fix it. Surely they gurantee their work.
Good luck...i hope this helps
Posted on May 30, 2009
SOURCE: Hyosun Scooter Carb Adjustments
Very good thought process on the adjustments. The throttle screw sets the idle speed and the air screw sets the fuel mix at idle speed. The stock setting is 1.5 turns outward. IMPORTANT > do not tighten these two adjusters down. Only screw these in until they LIGHTLY seat. Now turn each adjuster one and one half turns outward.
From this point you adjust the idle speed then adjust the air screw for fastest idle speed at that throttle screw setting. If the idle speed becomes faster than desired after adjustment, just reset the throttle screw and then reset the air screw.
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Posted on Jun 27, 2009
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