If it is late model Marty, the serial number itself is stamped right next to the oil fill, above the flywheel cover. If your stamp date is indeed 1979, your serial number may be over 200,000...one of the later blocks.
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-Shawn
"Holiday" - '89 Alura 35 #109
"Twice Around" - '77 C-30, #511 with original A-4 & MMI manifold - SOLD! (no longer a two boat owner!!)
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