Question about 2005 Suzuki RM-Z 450

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Front pipe gets red hot as soon as the bike stars up

As soon as i start the rmz450 up the front pipe gets red hot

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Muffler or baffle obstructed or something in the exhaust is stopping the flow.dom not run this engine it will burn-up.You may be using too high an octane fuel also.

Posted on Oct 01, 2009

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Pipe bluing indicates that cylinder is running lean, therefore too hot. Have you looked at the front spark plug? The insulator should be paper bag tan. Ash white and it's running lean.

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