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  Recommended Shaft Length for Boston Whaler Boats

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Author Topic:   Recommended Shaft Length for Boston Whaler Boats
dirtywhaler posted 07-18-2006 11:59 PM ET (US)   Profile for dirtywhaler   Send Email to dirtywhaler  
I have a 12' whaler - 1969 I believe.
It has a 20 hp evenrude - short shaft.
It seems to me that the prop is not in the water enough.
Should this boat have a long shaft motor?

Clark Roberts posted 07-19-2006 06:00 AM ET (US)     Profile for Clark Roberts  Send Email to Clark Roberts     
Never heard of a 1969 Whaler 12' but the 1969 13'3" (Whaler 13) came with a 15" (short) transom. In 1973/74 the hull was modified (smirk added, tan interior, 20" transom)...during the transition some boats came with above changes but still had the 15" transom.
dirtywhaler posted 07-19-2006 10:01 AM ET (US)     Profile for dirtywhaler  Send Email to dirtywhaler     
Yeah, you are right, It's the whaler 13. I'm thinking about a new motor. 30 -40 hp and wasn't sure if I should be going long or short shaft.

jimh posted 07-19-2006 10:45 PM ET (US)     Profile for jimh  Send Email to jimh     
Information on the recommended shaft length for outboard motors for use on classic Boston Whaler boats is given in the REFERENCE section for almost every model manufactured between 1959 and 1997. See:

Dimension and Production Information
http://continuouswave.com/whaler/reference/specifications.html

A great deal of other information about these boats is also provided in this listing, including the years of production. As mentioned, there is no lising of a 12-foot model manufactured c.1969.

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