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  1. W

    1973 7.5 murcury

    How do you take top cover off? need to change spark plugs and rebuild carb.
  2. W

    What year is my 7.5 mercury with thunderbolt ignition

    I have a 7.5 mercury outboard motor serial# 3492069 what year is it and need to take top cover off motor to change spark plugs and what else needs to be changed. It has not run in about 5 years.
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