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Recent content by stu1963

  1. S

    96 Johnson 15hp 4 stroke runs very rough after 12 mins idle.

    Hi all, I am at nearly at wits end with this motor, but I WILL beat it hopefully with a bit of assistance. I would be extremely grateful if someone could help me with this. Starts well, idle good, wot good, idle or run for 12 minutes NOT GOOD. No matter what I do, at about the magic 12 minute...
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