99 Yamaha 250SW SII not firing on all cyls

patmead

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Joined
Jul 17, 2007
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2
I have a 99 Yamaha Saltwater Series II that when given all she's got will get to 3200 RPMs and then die and go back to 500-600 RPMS. It does not seem like it is firing on all cylinders. Has anyone had this trouble?
 
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