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Old 02-03-2013, 12:32 PM
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2door 2door is offline
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Join Date: Sep 2008
Location: Littleton, Colorado
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Default Re: I think I need help. Bike Running too rich?

I concure. I never expect an engine to start performing until it has at least two hundred miles on it, and even then I can expect better with 300. All of the symptoms you describe are those of a new engine that isn't broken in yet.

Also everything Gearnut said should be followed. Do not run outboard oil in an air cooled engine. And do not run the 16:1 oil mix that so many 'instruction books/videos' recommend.

The idle speed screw on the NT carburetor has no effect on how the engine runs. It is a simply mechanical function that determines how far open or closed the throttle is at the idle position.

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