1973 mercury 115 trigger problem

carpenter636

Recruit
Joined
Jun 16, 2010
Messages
3
Re: 1973 mercury 115 trigger problem

how can i check my trigger switch no spark to plugs but coil sparks .thanks bob
 

Chris1956

Supreme Mariner
Joined
Mar 25, 2004
Messages
27,148
Re: 1973 mercury 115 trigger problem

If the coil sparks 6 times per revolution. the trigger is likely good. Clean the distributor cap, inspect the carbon electrode and the plug wires. Do not try to remove the rotor, as they do not come off.
 

bigred69

Petty Officer 3rd Class
Joined
Aug 23, 2008
Messages
96
Re: 1973 mercury 115 trigger problem

Go to Master Tech Marine . com click on the tech assistance tab and then the PDF troubleshooting guide tab. That should get you in the ballpark.
 
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