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Dec 30th, 2023
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 Mercury XR 4 Power Trim Problem
#11839930
09/20/16 10:32 PM
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Joined: Oct 2006
Posts: 88
DREAMIN TEAM
OP
Outdoorsman
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OP
Outdoorsman
Joined: Oct 2006
Posts: 88 |
Have a 1990 XR 4 that the trim and tilt work fine static with no force. When running down the lake under pressure it will not trim up unless I get of the gas . then I can trim up some and try again. Have checked fluid level and bypass seem OK. Need help.
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Re: Mercury XR 4 Power Trim Problem
[Re: DREAMIN TEAM]
#11839946
09/20/16 10:43 PM
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Joined: Dec 2002
Posts: 3,826
Tommy Yetts
TFF Team Angler
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TFF Team Angler
Joined: Dec 2002
Posts: 3,826 |
It's either bad O-rings in the system but more than likely the trim pump manifold assy. is bad. You have to replace the pump assy. as a unit it is not serviceable.
Unfortunately Mercury doesn't have a check system to see where the problem lies.
Last edited by Tommy Yetts; 09/20/16 10:44 PM.
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Re: Mercury XR 4 Power Trim Problem
[Re: DREAMIN TEAM]
#11839970
09/20/16 11:04 PM
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Joined: Oct 2006
Posts: 88
DREAMIN TEAM
OP
Outdoorsman
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OP
Outdoorsman
Joined: Oct 2006
Posts: 88 |
Thanks Tommy. I was afraid of that. Now I have to find a good pump assy.
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Re: Mercury XR 4 Power Trim Problem
[Re: DREAMIN TEAM]
#11840586
09/21/16 12:31 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 |
I would replace the complete t&t because it could have a pressure check valve stuck. If it was a seal or O ring the unit would bleed down while setting.
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 XR 4 Power Trim Problem
[Re: DREAMIN TEAM]
#11863541
10/04/16 11:45 AM
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Joined: Oct 2006
Posts: 88
DREAMIN TEAM
OP
Outdoorsman
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OP
Outdoorsman
Joined: Oct 2006
Posts: 88 |
Well now ISO tilt trim assy for older Merc. Type II two wire. Anyone seen one. Thanks 
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Re: Mercury XR 4 Power Trim Problem
[Re: DREAMIN TEAM]
#11863660
10/04/16 01:16 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 |
You might be able change it to the 3 wire by adding the relay assembly for a 3 wire.
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 XR 4 Power Trim Problem
[Re: DREAMIN TEAM]
#11865646
10/05/16 01:42 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 |
I have a 2 wire motor and pump. Took off of an early 225 Pro Mod Merc than customer wanted changed to a single ram trim. Will get a picture and add here.
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 XR 4 Power Trim Problem
[Re: DREAMIN TEAM]
#11867166
10/06/16 11:14 AM
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Joined: Oct 2006
Posts: 88
DREAMIN TEAM
OP
Outdoorsman
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OP
Outdoorsman
Joined: Oct 2006
Posts: 88 |
Looking for complete assy, Design II. Not sure replacing motor and pump will take care of problem due to symptoms.
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Re: Mercury XR 4 Power Trim Problem
[Re: DREAMIN TEAM]
#11874697
10/11/16 09:54 AM
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Joined: Nov 2006
Posts: 2,848
TLW
Extreme Angler
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Extreme Angler
Joined: Nov 2006
Posts: 2,848 |
http://www.ebay.com/itm/2000-Mercury-150-HP-EFI-2-Stroke-2-Wire-Outboard-Power-Tilt-Trim-Freshwater-MN-/172351315759?hash=item2820f05f2f%3Ag%3AtocAAOSwAuZX5EZ-
looks like ya gotta copy n paste..........or item # 172351315759
Last edited by TLW; 10/11/16 09:56 AM.
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Re: Mercury XR 4 Power Trim Problem
[Re: DREAMIN TEAM]
#11876533
10/12/16 12:34 PM
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Joined: May 2006
Posts: 234
lloyd
Outdoorsman
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Outdoorsman
Joined: May 2006
Posts: 234 |
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