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View Full Version : running lean



hoax
01-28-2006, 11:00 PM
how can you tell if you are running lean?

Honda#4
01-29-2006, 11:49 AM
white plug to lean,black plug to rich.

400exrules
01-29-2006, 12:51 PM
get in about third gear and putt along holdin the throttle steady and flip the choke on, if it runs better, then your lean....if it runs the same or worse, then your either a tad rich, or your jetting is dead on