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1988 Mariner 15hp, short or long shaft?

Jlomb436

New member
I know this is a ridiculous question, and I've poured over the manual (couldn't believe my pops had it) and couldn't see any reference to long or short.

Long story short, I mounted this to a 14' RIB and I was having troubles with planning. It seems the back end was just bogged down even if I shifted some weight up front. Anyway, I'm trying to figure out if what I have is indeed a short (15") shaft or something in between.

I really appreciate all of your help. I've included a photo for reference. Thank you!

goNpOL6.jpg
 
That is a shortshaft 15". They will usually measure about 18" when you measure from the clamp bracket to the cavitation plate.
 
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