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New Mercury 20hp hitting the rev limit
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<blockquote data-quote="airshot" data-source="post: 491377" data-attributes="member: 1183"><p>The " first" thing you need to do is check the height and angle of the cavitation plate. Use a long straight edge on the bottom of your hull sticking out back towards your motor. The cav plate needscto ve approx same height as boat bottom and the cav plate should be parallel to boat bottom. Once this has been done, then try moving trim pin one hole in and one hole out....go with the hole that gives the best performance. Now you are ready to consider props. Getting the proper height and trim angle should be done first. Then only a tach and gps will get you fine tuned for best performance.</p><p>Unfortunately todays new engines can have most any prop on them, as most engines no longer come with a standard prop anymore, you pick out the one you need..</p></blockquote><p></p>
[QUOTE="airshot, post: 491377, member: 1183"] The " first" thing you need to do is check the height and angle of the cavitation plate. Use a long straight edge on the bottom of your hull sticking out back towards your motor. The cav plate needscto ve approx same height as boat bottom and the cav plate should be parallel to boat bottom. Once this has been done, then try moving trim pin one hole in and one hole out....go with the hole that gives the best performance. Now you are ready to consider props. Getting the proper height and trim angle should be done first. Then only a tach and gps will get you fine tuned for best performance. Unfortunately todays new engines can have most any prop on them, as most engines no longer come with a standard prop anymore, you pick out the one you need.. [/QUOTE]
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New Mercury 20hp hitting the rev limit
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