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Dec 30th, 2023
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 2007 MERCURY 90HP 4 CYCLE PROBLEM
#6335059
06/25/11 06:14 PM
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Joined: Aug 2008
Posts: 354
texastrophyfisher
OP
Angler
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OP
Angler
Joined: Aug 2008
Posts: 354 |
I AM GETTING FUEL IN MY OIL ALOT WHAT COULD CAUSE THIS
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Re: 2007 MERCURY 90HP 4 CYCLE PROBLEM
[Re: texastrophyfisher]
#6336327
06/26/11 03:23 AM
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Joined: Dec 2007
Posts: 2,319
Matt M
Extreme Angler
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Extreme Angler
Joined: Dec 2007
Posts: 2,319 |
Most common is too big of a prop that motor needs to be spinning 6k at WOT or it will put fuel in hrs oil. There are more causes like bad plug, bad coil, excessive idling but low WOT rpms is most common
Matts Marine Service
903-450-3539
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Re: 2007 MERCURY 90HP 4 CYCLE PROBLEM
[Re: Matt M]
#6340448
06/27/11 04:57 PM
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Joined: Dec 2002
Posts: 3,829
Tommy Yetts
TFF Team Angler
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TFF Team Angler
Joined: Dec 2002
Posts: 3,829 |
How many hours do you have on it? If you do a lot of trolling then it can make oil.
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Re: 2007 MERCURY 90HP 4 CYCLE PROBLEM
[Re: Tommy Yetts]
#6344174
06/28/11 03:13 PM
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Joined: Aug 2008
Posts: 354
texastrophyfisher
OP
Angler
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OP
Angler
Joined: Aug 2008
Posts: 354 |
not shure hours but not many its my inlaws boat but issues started with a kink in fuel line now wont idle found fuel in oil water not pumping
so far we are all spark plugs oil and filter breather and replacing impeller today
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Re: 2007 MERCURY 90HP 4 CYCLE PROBLEM
[Re: texastrophyfisher]
#6351606
06/30/11 02:52 PM
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Joined: Aug 2008
Posts: 354
texastrophyfisher
OP
Angler
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OP
Angler
Joined: Aug 2008
Posts: 354 |
figured it out after 250.00 worth parts ended being about a 50 cent part
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Re: 2007 MERCURY 90HP 4 CYCLE PROBLEM
[Re: texastrophyfisher]
#6351813
06/30/11 03:50 PM
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Joined: Jan 2005
Posts: 7,491
redchevy
TFF Celebrity
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TFF Celebrity
Joined: Jan 2005
Posts: 7,491 |
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Re: 2007 MERCURY 90HP 4 CYCLE PROBLEM
[Re: redchevy]
#6355990
07/01/11 05:04 PM
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Joined: Aug 2008
Posts: 354
texastrophyfisher
OP
Angler
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OP
Angler
Joined: Aug 2008
Posts: 354 |
four inch hose ethonal in the fuel ate thru that was it very simple fix thats why if can you should do yourself shop want lot money just to see if they could find out what was wrong with i did simple test if you are mechanicaly inclined very easy and thats how i found it and talked to some people and found out the ethonal eats some line
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Re: 2007 MERCURY 90HP 4 CYCLE PROBLEM
[Re: texastrophyfisher]
#6356121
07/01/11 05:37 PM
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Joined: Jan 2005
Posts: 7,491
redchevy
TFF Celebrity
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TFF Celebrity
Joined: Jan 2005
Posts: 7,491 |
four inch hose ethonal in the fuel ate thru that was it very simple fix thats why if can you should do yourself shop want lot money just to see if they could find out what was wrong with i did simple test if you are mechanicaly inclined very easy and thats how i found it and talked to some people and found out the ethonal eats some line True.. but the other $250 worth of parts that you went through before you found the 50 cent hose is the reason why you should take it to a marine tech 
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Re: 2007 MERCURY 90HP 4 CYCLE PROBLEM
[Re: redchevy]
#6357091
07/01/11 10:46 PM
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Joined: May 2006
Posts: 237
lloyd
Outdoorsman
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Outdoorsman
Joined: May 2006
Posts: 237 |
Was it the little hose in the fuel module going to the pressure regulator
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Re: 2007 MERCURY 90HP 4 CYCLE PROBLEM
[Re: redchevy]
#6357829
07/02/11 03:48 AM
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Joined: Dec 2005
Posts: 4,390
ogles824 (aka Lakewaydr50)
TFF Team Angler
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TFF Team Angler
Joined: Dec 2005
Posts: 4,390 |
four inch hose ethonal in the fuel ate thru that was it very simple fix thats why if can you should do yourself shop want lot money just to see if they could find out what was wrong with i did simple test if you are mechanicaly inclined very easy and thats how i found it and talked to some people and found out the ethonal eats some line True.. but the other $250 worth of parts that you went through before you found the 50 cent hose is the reason why you should take it to a marine tech Folks are gonna see this a lot and with the 15% coming it's only going to get worse....
2012 ZX200 Skeeter 2012 Yamaha 200 SHO Isaiah 40:31 "but those who hope in the Lord will renew their strength. They will soar on wings like eagles, they will run and not grow weary, they will walk and not be faint. Proud student of the Pro Staffer. https://www.youtube.com/watch?v=TzwF72B2F2w&t=14s
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Re: 2007 MERCURY 90HP 4 CYCLE PROBLEM
[Re: ogles824 (aka Lakewaydr50)]
#6367090
07/05/11 10:01 PM
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Joined: Aug 2008
Posts: 354
texastrophyfisher
OP
Angler
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OP
Angler
Joined: Aug 2008
Posts: 354 |
marine tech would have charged more than 250 by hourly rates plus parts all parts replaced needed to anyways
Last edited by texastrophyfisher; 07/05/11 10:03 PM.
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