short shaft long shaft

Bob1944

Petty Officer 1st Class
Joined
Aug 16, 2008
Messages
216
How do you determine if your engine is long shaft or short shaft. How about the transom, how do you know if you should have a short or long shaft? Finally, can you put a long shaft on a short shaft transom? I am not talking about a 40 hp on a 12 footer.
 

tashasdaddy

Honorary Moderator Emeritus
Joined
Nov 11, 2005
Messages
51,019
Re: short shaft long shaft

measure from top of transom, to keel 15 inch range is short shaft. 20 inch is long. motor measure from where it sits on transom, to the AV plate (flat plat just above prop) same measurements apply. not recommended to run long on short, to much motor in the water, producing drag, and poor performance.
 
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