Reply To: 1969 Mercury 9.8 lack of power in forward

[JACQUES]

https://wrcoutboards.org/magazine-articles/

see articles from mr. Mohat … all you need to know on ignition concepts

regular magneto ( not phase maker )  is even simpler. I refurbed 4 small Mercs and  ignition wise they all worked fine.

check resistance  from boots to engine frame  ..compare results

capacitors can test ok with small meters  but fail under real life …   see article  on testing caps.

 

you can always do the  capacitor BASIC  test  by unbolting the capacitor and doing a basic resistance/short test  ….

on a  analog  meter  the needle swing test will ormally  will swing towards 0 ohms  then gradually work up to infinity as the cap. charges up .,

How to Test a Condensor on a Vintage Outboard Motor

Mercury 9.8hp 110 and Mercury 7.5hp 75 With Points Ignitions, Setting Points

btw  5500 rpm in a thank ??    …is agood way to destroy your investment  !!   better wear a face mask 🙁

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