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  1. J

    1967 Mercury 500 - Lower Unit Seals Replacement

    Interesting. All seals?
  2. J

    1967 Mercury 500 - Lower Unit Seals Replacement

    Perfect timing! Was attempting to remove that base. This afternoon and it wouldn’t budge. I’ll try your suggestions when I’m back in the shop next week. Thank you.
  3. J

    1967 Mercury 500 - Lower Unit Seals Replacement

    Following up on this thread: https://www.marineengine.com/boat-forum/threads/1967-mercury-500-50hp-no-spark.477555/ where I was sucessful in getting spark and the engine running. I have now remove my lower unit and have pressure tested it and I can hear the the air escaping so 7-8 years of...
  4. J

    1967 Mercury 500 50hp No Spark

    It is alive: https://share.icloud.com/photos/0cc3ZOOchTq-17nADmQmZi24g Now I’m on to replacing the water pump I just melted (kidding…it’s been sitting for 7-8 years so that was a given) and make sure it’s getting fuel. Thank you all for your help. Jeff
  5. J

    1967 Mercury 500 50hp No Spark

    Gotcha. Thanks.
  6. J

    1967 Mercury 500 50hp No Spark

    Thank you all I tried everything I could last night with no spark, tossed and turned all night and the. took it all apart but it back together focusing on each and every connection the morning and now I got a big fat, healthy spark! Quicksilver was right. It was probably grounded. Now i need...
  7. J

    1967 Mercury 500 50hp No Spark

    Nada
  8. J

    1967 Mercury 500 50hp No Spark

    There was a gap but it goes to a screw that does seem to ground to the spring. I put it back the way it was but then again it wasn’t working when I got it. https://share.icloud.com/photos/077omb52qx3TsR0oPCWYDNjHw
  9. J

    1967 Mercury 500 50hp No Spark

    No spark. It’s all a part now
  10. J

    1967 Mercury 500 50hp No Spark

    What I have now: https://share.icloud.com/photos/067WtG0kBHjYTwnHLXMKgXhVQ
  11. J

    1967 Mercury 500 50hp No Spark

    Points are clean. There was no spark at the plugs so I decided to replace the coil and condensor. Both were supposedly NOS and came in what looked like unopened packaging but I know that doesn’t mean they are functional. Is there a way to test them? Nothing is grounded to the case except the...
  12. J

    1967 Mercury 500 50hp No Spark

    Ah....will check again and again. which is the correct direction?
  13. J

    1967 Mercury 500 50hp No Spark

    They are gapped properly (I think). I did hit them with a little 1200 sandpaper in-situ as they already looked pretty clean but I will double check that that didn't change them. What would be me next step(s)?
  14. J

    1967 Mercury 500 50hp No Spark

    I must be missing something. I replaced the condenser and the coil and I’m spitting the shaft and I don’t see any sparks at all. I even tried chucking it into a drill and spinning it faster than I could by hand. Would appreciate any ideas on how to troubleshoot this.
  15. J

    1967 Mercury 500 50hp No Spark

    So I finally got the distributor out. Should this points throw a spark if I spin the shaft? Is this a valid test? If not how can I test which part has failed? Any any help for the next steps would be appreciated. TIA Jeff
  16. J

    1967 Mercury 500 50hp No Spark

    Not a problem as this boat currently does not have a starter or any related wiring. Thank you.
  17. J

    1967 Mercury 500 50hp No Spark

    thanks for the advice.
  18. J

    1967 Mercury 500 50hp No Spark

    Thank you for this information....I do have a repair manual on its way but this will help me get started.
  19. J

    1967 Mercury 500 50hp No Spark

    I assume you mean these (still a hassle to reach): and, yes, one is missing so I am not the first to be exploring here. Jeff
  20. J

    1967 Mercury 500 50hp No Spark

    are you talking about these screws? Because they are seemingly impossible to get at all of them...should I need to remove the carbs? or am i missing something simple? TIA Jeff
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