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  1. ddbyrd3

    DHadley, could you look at the pics of my motor height??

    In an effort to optimize my performance, I have been reading alot on motor height to transom depth, etc.<br /><br />I have attached pics of my motor / transom combination, I have never changed the factory location so any ideas would be appreciated....<br /><br /> [/URL][/IMG] [/URL][/IMG] <br...
  2. ddbyrd3

    Not reaching max RPM!!!

    I have a 1981 Johnny 140 V4 J140TXCIM.<br /><br />Compression is 109 - 115 on all 4 cylinders, I have great spark, carbs were rebuilt last month, Butterflies are at full horizontal position full throttle)fuel pump was rebuilt, and all lines were changed. Coils and power packs are all new. Static...
  3. ddbyrd3

    Testing a lower unit

    I just replaced my Prop housing seals and bearings.<br /><br />Before I add oil, and take it out for a test run I would like to do a test on it to see if it holds pressure and or vacuum.<br /><br />What range (psi) should I use and for how long if I perform a vacuum test?????<br /><br />It is a...
  4. ddbyrd3

    Carberator suggestions::::

    My buddy has a 1992 22' Chapparrel with a 350cid chevy motor, and the Penta Dual prop outdrive. He is replacing the factor quadajet with a Edelbrock 650 AFB carb and a performer manifold.<br /><br />The reason is because the throttle shaft is completly shot and has a major vacuum leak.<br /><br...
  5. ddbyrd3

    140hp Johnny Prop Housing Seals...

    After an extended period of time freeing a seriously stuck prop bearing housing, I was finally able to get it out.<br /><br />My question, is there anything I should know, trick, etc prior to replacing the seals and O ring and re-installing the prop bearing housing?????
  6. ddbyrd3

    1981 140 Intermitent charging question

    I did a search on previous post and found nothing that really described what I am seeing. The model # is J140TXCIM.<br /><br />On one accasion I take my boat out and the volt gauge will read 13 volts, I took the boat out yesterday and it read 12 volts. It never reads over 13 volts.<br /><br />I...
  7. ddbyrd3

    Timing Question

    1981 140 Johnson J140TXCIM, I set the timing at 24* static, I backed the boat up into the water to verify under load and it was still 24*.<br /><br />The book says to allow the timer base to rest firmly against the stop regardless of RPM reading. (mine I believe, was @ 3500RPM)<br /><br />I...
  8. ddbyrd3

    A hot rectifier

    On my 1981 140 Johnson, I noticed that the volt gauge was only pointing at 12.5 volts regardless of RPM, but I have no battery problems even after running all day with the radio on, skiing, etc.<br /><br />The tach is working fine, but I felt the rectifier and it was real warm, maybe even...
  9. ddbyrd3

    Serial Number

    Can anyone make sence of this serial number??<br /><br />RT7495518
  10. ddbyrd3

    Engine swap (repower)

    I have a 1980 Glastron with a 140hp V4 Johnson OB. I was wondering if I could repower my boat with a 1987 150HP VRO V6 Johnson motor, (VRO is disconnected)using the same harness, etc.<br /><br />I need more torque out of the hole for skiing.. the 140hp just doesnt cut it..<br /> :confused...
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