Recent content by kembry

  1. K

    Issue with the carbs?

    History: I have a 1974 500 50hp Mercury that was given to me Spring of 06'. Summer of 06' I replace fuel lines, bulb, diaphram and checks valves in fuel pump. I also took the carbs off, cleaned them and put a new kit in each and followed my seloc manual exactly on the adjustments. I hooked...
  2. K

    the ole switcheroo?

    Currently I have a 1974 500 50hp Mercury that I posted questions about over a year ago. I was unable to fix what seemed to be a fuel related problem with the motor, and talked myself into taking it to a local mechanic that is said to be very good with old mercs. 13 months later he still has not...
  3. K

    74 Mercury 500 50 hp

    Once I get the motor started and in gear it will run for about 45 seconds to a minute and then sounds like it runs out of fuel. I have replaced the fuel lines from the quick connect at the motor all the way up to the carbs, replaced gaskets, diaphram, and check valves in fuel pump, cleaned and...
  4. K

    intermitten fire on third cylinder

    I have a 1974 Mercury 500 50 hp, thunderbolt ignition sn # 4073407. The motor has not been ran in the past 2-3 years and was given to me recently. After new plugs, replacing deteriorated wires (not plug wires)and fresh gas I got her started but only with at least half throttle. I ran it for...
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