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Recent content by Matt S

  1. M

    2000 Johnson 90hp V4 bogs at high rpms

    After reading more on ventilation and cavitation, it seems that my motor height may be ok being low. Any suggestions?
  2. M

    2000 Johnson 90hp V4 bogs at high rpms

  3. M

    2000 Johnson 90hp V4 bogs at high rpms

    Not sure if they attached or not. Not showing on my end
  4. M

    2000 Johnson 90hp V4 bogs at high rpms

    Not sure if they attached or not. Not showing on my end.
  5. M

    2000 Johnson 90hp V4 bogs at high rpms

    Here are a few pics.
  6. M

    2000 Johnson 90hp V4 bogs at high rpms

    I was actually thinking that my motor height may be too low. I get A LOT of splash around the motor and back up onto the decking. I'm wondering if it is just cavitation going on since i feel vibrations once this occurs. It does not have the batwings. The motor height is as low as it will go on...
  7. M

    2000 Johnson 90hp V4 bogs at high rpms

    Serial number is J90PLSSE. Motor is on a 22' crest pontoon. -Motor starts strong. Idles good. Does have a slight hiccup while idling but nothing serious. Once I start throttling it it smooths out and runs great at trolling speeds. Once i get past trolling speeds and try to get on plane it feels...
  8. M

    1971 7.5hp Mercury Thunderbolt --- no spark

    I have an 1971 75.hp mercury thunderbolt motor. Which now has no spark. History: when purchased it was not running, all the wire insulation was disintegrated. Rewired with automotive grade 12awg wire. Crimped and soldered all connectors. Once everything was rewired, i could get it to run but...
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