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post #1 of (permalink) Old 03-14-2009, 04:15 PM Thread Starter
sdenick
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Join Date: Feb 2007
Posts: 4
plug fouling at low speed, 2006,900 switchback

My '06, 900 Switchback seems to be running way too rich under 5600RPM. It actually loads up to the point of fouling plugs on a tight windy trail. Top end runs perfect. Is it possible to lean out the bottom end on these fuel injected engines? If so, how is it done? I assume it's done by programming? Any input appreciated.
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