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Recent content by SnapRon

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    89 GT 150 j150stlcem Installing new powerpak

    I am getting ready to install a new power pack and the instructions said to check for more then two volts on the kill wires. I checked the two black &yellow wires and they were good but i noticed that the tan wire which goes to the temp sensors had 9.35 volts with the key on That seemed odd...
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    Johnson GT150 What would cause flat timing

    89 johnson gt150 pick up timing sits at tdc while running when you try and rev it up it sounds like the timing is not advancing enough very lazy. any ideas
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    89 Johnson gt150 weak spark

    What would cause weak spark cylinders 1,3,5 are a little better then 2,4,6 but the spark is orange not blue and snappy
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    Johnson gt150 j150STLCEM running bad

    The compression is 100 all cylinders
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    Johnson gt150 j150STLCEM running bad

    This is a 1989 gt150 J150STLCEM I have been trying to figure out why it miss fires at idle , It starts right up and runs but shakes and pops. I noticed that it has weak spark when i use a spark tester its not snappy and blue and i notice it seems to be worst on cylinders 1-3-5 i have changed the...
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    Johnson gt150 j150STLCEM weak spark

    This is a 1989 gt150 J150STLCEM I have been trying to figure out why it miss fires at idle , It starts right up and runs but shakes and pops. I noticed that it has weak spark when i use a spark tester its not snappy and blue and i notice it seems to be worst on cylinders 1-3-5 i have changed the...
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    89 Johnson GT150 J150STLCEM Not Running normal

    My GT150 has always been very dependable just a little cold blooded but once you get it warmed up its great. I just uncovered the boat after about 6 months of sitting started it up, which it fires right up but noticed it was having a hard time idling and when i try to rev it up it would bog down...
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    1988 Johnson GT 150 zero compression 1 cylinder. I have spare exact motor, with same problem in 1 cylinder. Swap Parts?

    would you like to sell electronics from the 90 im interested.
  9. S

    89 Johnson GT 150 J150STLCEM NO SPARK cyl 1 and 3 weak spark to rest of cyl

    No spark on cyl 1 and 3 very week spark to the rest of the CYLINDERS REPLACED CDI 2 YEARS AGO ANY IDEAS.
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