Question about 2003 Yamaha WR 450 F

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Same problem o6 Raptor 80 will not start

Has good spark,gas, turns over real fast but will not start at all

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Get a compression tester to see if she has plenty of compression or take spark plug out ,put your finger over plug hole and turn engine over. you should feel a pressure forcing your finger away.

Posted on Jul 27, 2009

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