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what should a new 15hp 4 stroke do on a 1436 jon ?
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<blockquote data-quote="back4more" data-source="post: 343864" data-attributes="member: 1482"><p>You could have several problems:</p><p>1) As stated above, incorrect pitch will have a huge effect; heavy boat go heavy on pitch.</p><p> <strong><u>sorry for such a noob question, but you mean whats referred to in the motor manual as the trim angle ?</u></strong></p><p>2) Make sure you are hitting the RPMs for the motor, again this is pitch</p><p> <strong><u>will work on this after pitch is determined</u></strong></p><p>3) Make sure the motor isn't too far below the chine, the ventilation plate should be even or just above the bottom of the boat for best performance.</p><p> <strong><u>my ventilation plate is really close to even with bottom of boat, checked it with a level last night</u></strong> </p><p>4) Do you have a Dol-fin (or similar) on the motor? If so, it should be out of the water when on plane. </p><p> <strong><u>I do have a doel-fin installed. I will check next time Im out to see if its out of the water on plane</u></strong></p><p></p><p></p><p>my 4 mph increase is going from a <u><em><strong>6hp</strong></em></u> to 15hp <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite10" alt=":oops:" title="Oops! :oops:" loading="lazy" data-shortname=":oops:" /></p></blockquote><p></p>
[QUOTE="back4more, post: 343864, member: 1482"] You could have several problems: 1) As stated above, incorrect pitch will have a huge effect; heavy boat go heavy on pitch. [b][u]sorry for such a noob question, but you mean whats referred to in the motor manual as the trim angle ?[/u][/b] 2) Make sure you are hitting the RPMs for the motor, again this is pitch [b][u]will work on this after pitch is determined[/u][/b] 3) Make sure the motor isn't too far below the chine, the ventilation plate should be even or just above the bottom of the boat for best performance. [b][u]my ventilation plate is really close to even with bottom of boat, checked it with a level last night[/u][/b] 4) Do you have a Dol-fin (or similar) on the motor? If so, it should be out of the water when on plane. [b][u]I do have a doel-fin installed. I will check next time Im out to see if its out of the water on plane[/u][/b] my 4 mph increase is going from a [u][i][b]6hp[/b][/i][/u] to 15hp :oops: [/QUOTE]
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what should a new 15hp 4 stroke do on a 1436 jon ?
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