JOHNSON 100 HP 1972 EL.IGNITION

[Offshoreboat]

My engine starts good and runs good for a few minutes then it starts to misfire more and more,I alreaydy changed to various plugs.Fuel is not the problem.could it be the coil who is playing up or does annybody has anny help for me?since I am livving In Belgium spare parts for my engine are not easy to find.Thanks for anny help

 

[Backlash]

Re: JOHNSON 100 HP 1972 EL.IGNITION

Hey Offshoreboat,<br />Is it overheating? Some electrical parts will work well until they heat up......then fail (hot short). Try the normal troubleshooting methods to isolate the cylinder(s) giving you problems. Backlash