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Dec 30th, 2023
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 mercury 200 efi
#4836548
05/09/10 07:23 PM
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Joined: Jan 2008
Posts: 269
fishingmanchris
OP
Angler
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OP
Angler
Joined: Jan 2008
Posts: 269 |
for those of ya'll that are running these engines i got a question...what is the psi suppose to read at 5000 rmp? Mine never goes over 15 and doesnt always shoot a firm stream? thinking its cloged. any feedback?
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Re: mercury 200 efi
[Re: fishingmanchris]
#4836902
05/09/10 09:47 PM
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Joined: Feb 2010
Posts: 1,137
bassing1
Extreme Angler
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Extreme Angler
Joined: Feb 2010
Posts: 1,137 |
jack-plate height will play a role in the psi, but mine is just under 20
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Re: mercury 200 efi
[Re: bassing1]
#4836957
05/09/10 10:05 PM
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Joined: May 2003
Posts: 11,586
gary purdy
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586 |
Mercury is a low pressure system 3-5psi at idle and 12-15psi at 5000rpm. They will pulse at pee stream at idle because of poppet assembly.
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
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Re: mercury 200 efi
[Re: gary purdy]
#4838471
05/10/10 06:16 AM
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Joined: Jan 2008
Posts: 269
fishingmanchris
OP
Angler
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OP
Angler
Joined: Jan 2008
Posts: 269 |
jmjbcp i have a 10in jackplate what do you have? and gary was does poppet assembly mean
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Re: mercury 200 efi
[Re: fishingmanchris]
#4838601
05/10/10 11:07 AM
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Joined: May 2003
Posts: 11,586
gary purdy
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586 |
Poppet assembly is a spring loaded valve that is designed to force water at 12-15psi to the top of the motor.
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
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Re: mercury 200 efi
[Re: gary purdy]
#4838909
05/10/10 01:36 PM
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Joined: Dec 2002
Posts: 3,832
Tommy Yetts
TFF Team Angler
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TFF Team Angler
Joined: Dec 2002
Posts: 3,832 |
I would like to see you around 20psi on that motor. When was the last time water pump was changed?
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Re: mercury 200 efi
[Re: Tommy Yetts]
#4838970
05/10/10 01:50 PM
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Joined: Jan 2008
Posts: 269
fishingmanchris
OP
Angler
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OP
Angler
Joined: Jan 2008
Posts: 269 |
about a month ago. we just got the boat. every outboard ive owned had a firm stream into the water this one is very weak. but gary you sound like you know what your talking about just dont know if i should play it safe and bring it to the shop before my big tournament in a few weeks
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