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2001 Raptor 660 Black Smoke?

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Old Jun 4, 2007 | 11:47 PM
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Razr19's Avatar
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Weekend Warrior
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Default 2001 Raptor 660 Black Smoke?

Has anyone experienced black smoke from the exaust when giving it trottle in neutral why is that? Its not a very old bike. I have and aftermarket exaust system and high flow air filter and it was just re jetted to 160&155 mains and 25 pilots.
 
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Old Jun 6, 2007 | 03:00 PM
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Quad-Maniac's Avatar
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Default 2001 Raptor 660 Black Smoke?

You are running rich.
 
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