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    mounting zinc on an aluminium hull

    Salt water use. We have problems with pitting on our 17ft aluminum hull. I am planning to mount a zinc plate in addition to the old ones that are attached directly to the hull.<br /><br />Should the zinc plate be in electrical contact with the hull or isolated from it an attached to the boats...
  2. B

    plug wire ohm measurement

    My motor is a 1995 Johnson 70hp 2-stroke 3-cyc outboard.<br /><br />In my quest to find the reason for my rough idle I am preparing to ohm my plug wires.<br /><br />Should they ohm out at 0 ohms?<br /><br />By the way I have rebuilt the carbs & choke, new plugs, compression is at 125 to 130...
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