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    CYLINDERS QUIT WORKING

    1975 V4 85HP Started great on first try this season with new plugs.After 5 minutes on idle cylinders 2 and 4 quit working.Resistance across sensors in timer base is 8.5 ohms.Appears there is no spark on cylinders 2 and 4.<br />Any ideas?
  2. V

    Boat Props and Performance

    Looking for some insight into different props and performance.<br />I have a 1975 85 hp OMC driving a quick planing 16.5 foot aluminum Starcraft bow-rider. The current prop is 131/4x17. I use the boat primarily for slalom skiing and need quick plane out of the hole.<br />Are there any other...
  3. V

    85 hp Johnson v4 no spark on 2 cyl's

    I have a 1975 85 hp v4 Johnson and there's no spark on cyl's 1 and 3. I replaced the ignition coils for cyl's 1 & 3 and still no spark. Cyl's 2&4 have strong spark and motor will start on those 2 cyl's.<br />Looking for suggestions on further simple tests to do to further troubleshoot the...
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