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    1991 Mercury XR4 low rpms at WOT

    AV plate is just about 1.5 inches above pad of hull. Might be able to go up one hole to get 2.25 above pad. How many rpm would one hole increase?
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    1991 Mercury XR4 low rpms at WOT

    22 Tempest with flo torq hub kit
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    1991 Mercury XR4 low rpms at WOT

    Yes, 1.78 lower locked up this spring, think it may be a bearing but decided to get a 1.87 SEI lower for now, might repair it later. attached pictures of boat and motor mounts. Can’t trim motor down all the way while it’s on trailer, will lower the trailer all the way down when I get back to see...
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    1991 Mercury XR4 low rpms at WOT

    Hey all, I have a 1991 Mercury XR4 on a 18 ft bass boat that will only run 5000 rpm at WOT. Boat weighs 1200 lbs dry, I calculated total weight to be somewhere around 2200 lbs. I had a 26 tempest before and quickly realized it’s way too much prop, was only getting 4500 wot. Now I dropped 4...
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