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TOPIC: 1973 Evinrude 100 HP Selectric

1973 Evinrude 100 HP Selectric 7 years 4 months ago #128862

I have a 1973 Evinrude 100HP Selectric. What type lower unit oil should I use? Premium or standard?

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Re:1973 Evinrude 100 HP Selectric 7 years 4 months ago #128870

  • ed-mc
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halcyondays wrote:

I have a 1973 Evinrude 100HP Selectric. What type lower unit oil should I use? Premium or standard?


Here's the Good Words from Johnson/Evinrude:

Premium Blend Gearcase Lube. Quality lubricant recommended for all Evinrude and Johnson outboards, 1972 or prior with electric shift and OMC stern drives 1977 or prior with electric shift.

You'll likely find that your 100hp is a 1972 model (or earlier) because '73 was the last year for the Hydroelectric gearbox.

Here's a link to '72 Johnrude 100hp at marineengine.com:

www.marineengine.com/parts/johnson-evinrude-parts.php?year=1972&hp=100

HTH.........ed

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Re:1973 Evinrude 100 HP Selectric 7 years 4 months ago #128903

Thank you for the reply. Here is a photo of the motor it most likely is a 1972, what do you think?
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Re:1973 Evinrude 100 HP Selectric 7 years 4 months ago #128914

  • ed-mc
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It's around that vintage.

The 100hp was produced in '71 and '72, if you can post the model # off the I.D. plate we can narrow it down for you.......ed

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Re:1973 Evinrude 100 HP Selectric 7 years 4 months ago #128937

  • Kerry
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The striping on the hood is 1972 vintage.

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