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  1. C

    1979 merc 140 hp timing

    I have a manual and cannot figure out how to set the timing, I replaced the trigger in the distributor. I lined the marks up on the pulley with the flywheel set to O at TDC, it starts but doesnt seem to run strong, I think the timing is off, but cant make out what the manual is saying on how to...
  2. C

    merc 140 no spark

    Thanks to all on this board, it seems to be packed full of good information. I have a 1979 merc 140 hp with thunderbolt ignition, and I have no spark, I read through some of the info on Cdi`s site and came across a "no fire at all" troubleshooting guide. A portion of this guide said I MUST have...
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