HIN question

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Oct 11, 2004
100
Oday 25 O'Day 25, Cutchogue, NY
My boat is registered as a 1978, but my Hull Identification Number is XDYG2099M781. I thought the last two digits represented the year of manufacture. Was my boat mis-yeared at some point? Was it really built in 1981?
 
Jun 2, 2004
1,952
Oday Day Sailer Wareham, MA
Let's see

XDYG2099M78I Translates as: XDY = O'DAY G = 25 2099 = this was the 2099th O'DAY 25 built M78 = 1978 Model Year I = month of manufacture, in this case, April and since the 1978 Model year ran from August 1977 to July 1978, your boat was built in April 1978. Someone has posted a copy of a page off Rudy Nickerson's old O'DAY SAILBOATS website that explains all of this, as well as changes made to the codes starting in 1984.
 
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