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Outboard Tech Tips

Tech Tip #1 - Wico Coil Replacement



Repairing deteriorated Wico magnetos with common replacement parts.

Tech Tip #2 - So You Have An Old Outboard...

Answers to common questions OJM receives about old outboards.

Tech Tip #3 - Making a Johnson A, A-25, A-35 and A-45 Inner Muffler

Tech Tip #4 - Repairing OMC Single Line Tanks

Tech Tip #5 - 2-Cycle Oil And You!

Here is a handy oil ratio chart gleaned from an old oil bottle

Amount per Gal.
Ounces per Gal.
Ratio
Quart
32
4:1
Pint
16
8:1
3/4 pint
12
10:1
2/3 pint
10.6
12:1
1/2 pint
8
16:1
1/3 pint
5.4
24:1
1/4 pint
4
32:1
1/5 pint
3.4
40:1
1/6 pint
3
50:1


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