Topic: 1933 Evinrude Super Single – Antique Outboard Motor Club,Inc

This topic has 12 replies, 5 voices, and was last updated 2 years, 7 months ago by William MacNeill.

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April 12, 2023 at 9:25 am #275091
William MacNeill
Participant
I am about to tear into this motor. Checked compression and it’s right at 90. Today i am checking for spark. Is there anything special with this motor I should be aware of? I have no literature on the motor and have not worked on anything this old before. Thx in advance.
April 12, 2023 at 6:39 pm #275106
Buccaneer
Participant
US Member
Is this the motor?

Prepare to be boarded!
April 12, 2023 at 7:07 pm #275110
William MacNeill
Participant
Close.. It resembles this motor but the plate reads Evinrude Model 432.
April 12, 2023 at 7:09 pm #275112
William MacNeill
Participant
It looks like this but it clearly reads evinrude on the tank. The model # is 432
April 12, 2023 at 8:52 pm #275115
Tubs
Participant
Model # 432 is the Sport Single.
Model # 436 is the Super Single.
I’m guessing you have a Sport Single?
Tubs

A "Boathouse Repair" is one thats done without having tools or the skills to do it properly.
April 12, 2023 at 9:41 pm #275117
jeff-register
Participant
US Member
Tubs,

Does that Elto have a dual fire coil?

William,

If you have a dual fire coil use a ohm meter, your reading should be 4 to 7 K ohms putting both spark plug wires on each plug wire. Nice motor!! & good luck!

P,S. Elto = Evinrude light twin outboard.
April 13, 2023 at 7:30 am #275119
William MacNeill
Participant
It is the sport single. I always mix them up. Should be a fun project to get running.
April 13, 2023 at 8:51 am #275120
Tom
Participant
US Member
Is that the one that used up a stock of Ruddertwin cylinders during the Depression?

T
April 15, 2023 at 8:22 am #275155
William MacNeill
Participant
Trying to figure out what spark plug to use. The Evinrude service manual states it is a CH. M6 or part # 190724. I cannot find anything to cross reference it. CH I am assuming is Champion. There was no plug in the motor when I got it.
April 15, 2023 at 9:33 am #275157
Buccaneer
Participant
US Member
This data I have shows a Champion D14 will work.
I bought some NOS ones on Ebay a while back, so
they’re still “out there”.

18mm spark plug heat range chart … Hottest on top, Coldest on bottom

Champion – – – AC – – – Autolite – Bosh – Motorcraft Prestolite
C7 (D23) – – – – – –
C15(D21) – – – C88 – – – – – – – – – – BT9
7 (D16) – – – C87 – – – – – – – – – – B8X
6M (D14) – – – C85 – – – 386
5M (D9) – – – C82 – – – 373 – – M8A – — – BT4 – – – 18-3
R7 (D6) – – – – – – 372 – – M7A
R1
R11
R11S Old racers using Alcohol
R2
R2S Using Nitromethane.

Prepare to be boarded!
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