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Dec 30th, 2023
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 1997 150 hp johnson
#13414289
01/23/20 08:11 PM
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Joined: Apr 2009
Posts: 103
johnson
OP
Outdoorsman
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OP
Outdoorsman
Joined: Apr 2009
Posts: 103 |
wont run over 2000 rpms ; the compression on all 6 cyl are 90 to 80 . any answers that may help thanks
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Re: 1997 150 hp johnson
[Re: johnson]
#13414470
01/23/20 11:36 PM
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Joined: Dec 2005
Posts: 4,947
gander
TFF Team Angler
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TFF Team Angler
Joined: Dec 2005
Posts: 4,947 |
Probably not much help but I had a 150 Merc with the same issue and a stator had to be replaced to fix it
Last edited by gander; 01/23/20 11:37 PM.
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Re: 1997 150 hp johnson
[Re: johnson]
#13414604
01/24/20 02:06 AM
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Joined: Apr 2008
Posts: 12,345
PaulGrapevine
TFF Guru
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TFF Guru
Joined: Apr 2008
Posts: 12,345 |
You checked compression. There is still fuel and spark. Assuming it does not sound like itโs starving for fuel then Iโd check spark. I had something similar and the power pack had gone bad causing loss of spark on one side.
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Re: 1997 150 hp johnson
[Re: johnson]
#13414820
01/24/20 01:06 PM
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Joined: Sep 2010
Posts: 1,599
boatwhisperer
Extreme Angler
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Extreme Angler
Joined: Sep 2010
Posts: 1,599 |
enginr is in s.l.o.w. mode.. speed limited overheat warning check temp sensors first if they check good replace the power pack
Last edited by boatwhisperer; 01/24/20 01:08 PM.
boatwhisperer
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Re: 1997 150 hp johnson
[Re: johnson]
#13414970
01/24/20 02:54 PM
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Joined: Jul 2010
Posts: 1,390
boatman025
Extreme Angler
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Extreme Angler
Joined: Jul 2010
Posts: 1,390 |
We can check it out for you I have found bad temp senders and also a bad wiring harness
Hughes Marine
3855 Osage Lane
Wylie ,Texas
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