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Great.
Now we all know for sure what you have.

Not sure what Silent has as the Yamaha 300's also come in 30 inch XX Long shaft.
http://yamahaoutboards.com/outboards/...ifications

Always helps if everyone is talking about the same thing before it might be too late to change a purchase if buying the wrong length, etc..
http://www.whalercentral.com/faq.php?...p?cat_id=7