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Proping a T9.9 ELHS for a light boat

1230 Views 1 Reply 2 Participants Last post by  Brett
My son (Skydiver77) bought a 14' Starcraft Aluminum boat with a super long shaft 9.9 Yammie. I got the transom built up to the correct height, mounted the engine and the sucker will not get out of its own way.

I found out the engine is a sailboat engine after the fact and designed to push heavy rigs. After he bought the boat, I've put over $300 into getting it ready and now have this problem.

I've never owned a small 4-stroke but this one doesn't seem bo be turning over 2000RPM.

Anybody have an idea re: prop selection or what else can be done reasonably? The engine looks new inside and out.
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