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  1. R

    Stator and voltage regulator question

    I have a 2004 Johnson J150plstm, with running and warm startup issues. I asked question on this site, but didn’t help. I put it in a shop, who replaced the stator, voltage regulator, CDI control and the coils. They replaced everything listed and didn’t help. The shop stated that all electrical...
  2. R

    2003 Johnson 150 hp warm engine start up problems

    My 150 Johnson has had problems for a while now, it stated while returning to the dock and up till then it started and ran great. During the return to the dock, it popped thru the exhaust and started to run rough and shake. I have had the fuel system from the fuel and oil injection pumps...
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    2003 Johnson 150 (j150plstm) balance tubes

    My motor has become hard to start after running to a fishing location. Now i'm getting a pop thru the exhuast while running above 1500 rpm. A mechanic told me I have leak on the stbd side intake. I disassembled the motor and the only problem I found was the lower bolts on the throttle plate and...
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    2003 Johnson 150 HP overheating

    I have overhauled all six carbs, replaced both thermostats, replaced power pack and all 3 coils. I used a thermo gun to check temperatures, the stand side runs from 147 - 156. The port side 167 at the top, middle 180 - 210; bottom 200 to 235 with the engine running at 4000 RPM for 5 minutes. I...
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    Johnson 150 HP misses

    I have a 2003 Johnson 150 HP. Today we went out fishing, ran at 3000 rpm for about 30 minutes. When we were heading back in, it started acting like it developed a miss and it started vibrating and shortly after that the hot light lite up. After 5 minutes of idling, the hot lite went out, but...
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    03 Johnson Bombardier fuel pump problems?

    I have a 2003 Johnson Bombardier 150 HP motor (J150PLSTM), that up until the last two times on the water ran great. 2 weeks ago the day before I went out I started the motor and it started and ran fine. The next day it was hard to start and it died after the first 4 or 5 starts, then it ran fine...
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