Welcome Guest - Sign Up today
Welcome Guest - Sign Up today

Announcement

Collapse

Help Tip: If you have a question that has not been answered to your satisfaction in the archives, it is always best to start a new thread of your own. By starting your own thread, you will receive the maximum number of views by forum members.

Please note this topic has been inactive for 90 days. For the best results, please start a new topic.

Thank you all in advance for doing your part in helping iboats run a smooth ship.

Additional forum rules linked below.
http://forums.iboats.com/forum-rules-guidelines-405/
See more
See less

1971 Mercury Outboard 7.5 HP Spark Plug Question

Collapse
X
  • Filter
  • Time
  • Show
Clear All
new posts

  • 1971 Mercury Outboard 7.5 HP Spark Plug Question

    Thunderbolt Ignition Serial# 3020217Can anyone direct me where I can find the following?What is the point gap?What is the spark-plug gap?Type of spark-plug recommended?Any information would be appreciated.Thank you

  • #2
    Sign up today
    Re: 1971 Mercury Outboard 7.5 HP Spark Plug Question

    Point gap should be .020Plugs are NGK BUHW-2 (perma gap)If you use the motor mostly for trolling, go with something like Champion L-77J and gap them at .050.
    "A manual is a cheap investment"
    Fair Winds and Following Seas
    Bill
    PTC USN ret

    Comment

    Working...
    X