krawler Posted April 3, 2007 Report Share Posted April 3, 2007 99 % sold on a lund. as i was looking into the deal i asked the dealer about the length of the shaft and he said it was 20". I always thought to go with the longer shaft length. The motor is a yamaha 75 hp comes in both 25" and 20" shaft. Is 20" sufficient?? How do i know which length to choose? thanks Link to comment Share on other sites More sharing options...
Nemo Posted April 3, 2007 Report Share Posted April 3, 2007 Depend on the depth of the transom. Basically you want enough of the prop in the water to push the boat without cavitating. And also you don't want too much in because it causes drag. Link to comment Share on other sites More sharing options...
Nemo Posted April 3, 2007 Report Share Posted April 3, 2007 http://www.onlineoutboards.com/article_out...aft_length.html Link to comment Share on other sites More sharing options...
Terry Posted April 3, 2007 Report Share Posted April 3, 2007 the dealer will know the correct shaft length for that boat and that is what you should go with..too long will cause problems as will too short... Link to comment Share on other sites More sharing options...
krawler Posted April 3, 2007 Author Report Share Posted April 3, 2007 20" length will do!! thanks for the info. now all i have to do is wait 2 months for the boat to arrive. countdown begins. krawler Link to comment Share on other sites More sharing options...
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