joeydangerous
21.04.2021 20:23:21
The boat was built in 1979. So I am assuming the engine is a 1978.
See full version: OMC engine serial number and HP
The boat was built in 1979. So I am assuming the engine is a 1978.
If it has a harmonic balancer on the front of the crank, It's a 3.0L/140HP
If it just has a pulley, it's a 2.5L/120HP
Re: OMC engine serial number and HP more
Your going to need the model number. Then you can look at this link and see what you have. Click on OMC Stern Drives 1964-1993. The model #'s are listed on pages 66 thru 71. more
If you have the model # and you know it's a 3.0 Liter there is nothing else in this link to find.
[links]
Wondering
"Where-'n-'Ell"
to get great parts for your outboard?
Contact
the Mastertech!
STERN DRIVE CHARTS 1964- 1985 more
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OMC assigned each engine family a unique two-letter alpha designator:
A third letter (E) is used to designate the "extended" (high profile )15-inch lower unit leg, which was 4.5 inches longer than the "short" (low profile) leg version.
All OMC/Evinrude/Johnson boats utilized the "extended" drives. more
From 1969 to the 1972 additional letters indicate the mounting system and steering system, following the two-letter engine type designator.
The third letter position is either "F" = Floor Mount, or "T" = Transom Mount. The fourth letter position indicates the type of steering system with "M" = Mechanical, "R" = Rope/cable/pulley, and "P" = Push-Pull (TruCourse closed-cable).