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Old 04-03-2006, 06:19 PM
MikeL MikeL is offline
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I've got oscillation

Can someone give me a suggestion to point me in the right direction? My 191 W/T with a 115 yamaha and T 8 kicker has a tendency to porpose at speeds above 30 MPH even with the trim completely down. It comes up on plane almost imediately and the bow stays down until around 30 and then if it is pushed up by a wave it will start to oscillate. More throttle exacerbates the situation. On calm water, the top speed is 40MPH. Any waves at all I have to reduce to 30 or less. Is a jack plate an answer?
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