08-29-2010, 06:19 PM
An outboards performance is based solely on how many RPMs it can achieve at wide open throttle with a normal load with the engine trimmed up. trim it to where the boat runs flat without porpoising. that engine is probably rated at max rpm of 6000 rpms if you are not getting close to that you need to decrease the pitch size of your prop if you are over that increase your pitch size. The closer you are to 6000 rpms the better the boat will come out of the hole. 4 stroke engines struggle to get on plane if you are not close to max rpms at wide open throttle. Hope this helps.
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