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  1. 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...
  2. 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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