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Dec 30th, 2023
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 Spark Plugs on a Merc
#13390712
01/02/20 06:59 PM
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Joined: Sep 2003
Posts: 3,406
Champion1
OP
TFF Team Angler
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OP
TFF Team Angler
Joined: Sep 2003
Posts: 3,406 |
I have 2015 200hp ProXS that has never had the plugs changed. Is this something I can do myself or does the computer need to be reset?
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Re: Spark Plugs on a Merc
[Re: Champion1]
#13390716
01/02/20 07:04 PM
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Joined: Mar 2016
Posts: 1,821
dk2429
Extreme Angler
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Extreme Angler
Joined: Mar 2016
Posts: 1,821 |
Do it yourself! Easy job... Just make sure you get the exact NGK plugs that you pull out (don't remember the exact part number.)
Majek 22 Extreme/225 Optimax Pro XS hauled by a 2500HD Duramax
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Re: Spark Plugs on a Merc
[Re: Champion1]
#13390753
01/02/20 07:46 PM
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Joined: Mar 2010
Posts: 25,824
T Bird
TFF Guru
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TFF Guru
Joined: Mar 2010
Posts: 25,824 |
Yep easy task. Get some dialectical grease to put inside spark plug boot.
Okie by birth, Texan by choice. ![[Linked Image]](https://texasfishingforum.com/forums/pics/userpics/2021/01/full-47849-80883-111.jpg) USAF "Thunderbirds" Alumni 1985-1989
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Re: Spark Plugs on a Merc
[Re: Champion1]
#13390826
01/02/20 08:55 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 pull one of the easy to get to plugs and look at it first. Wait till you see where that #5 and #6 are at.
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: Spark Plugs on a Merc
[Re: gary purdy]
#13390838
01/02/20 09:14 PM
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Joined: Mar 2010
Posts: 25,824
T Bird
TFF Guru
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TFF Guru
Joined: Mar 2010
Posts: 25,824 |
I would pull one of the easy to get to plugs and look at it first. Wait till you see where that #5 and #6 are at. Probably should split the cowl for easier access. Only takes a couple of minutes.
Okie by birth, Texan by choice. USAF "Thunderbirds" Alumni 1985-1989
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Re: Spark Plugs on a Merc
[Re: T Bird]
#13391341
01/03/20 11:02 AM
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Joined: Apr 2004
Posts: 14,082
Stump jumper
TFF Guru
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TFF Guru
Joined: Apr 2004
Posts: 14,082 |
I would pull one of the easy to get to plugs and look at it first. Wait till you see where that #5 and #6 are at. Probably should split the cowl for easier access. Only takes a couple of minutes. +1, a ratcheting box end wrench will help
2200 Bay Champ/200 Mercury Optimax
2017 Tundra TSS 4x4 Crewmax 5.7L
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Re: Spark Plugs on a Merc
[Re: Champion1]
#13391439
01/03/20 01:47 PM
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Joined: Dec 2008
Posts: 16,181
grout-scout
TFF Guru
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TFF Guru
Joined: Dec 2008
Posts: 16,181 |
Read a thread on BBC this morning that Don Weed posted, apparently many of the iridium plugs on amazon that are really cheap, are fake plugs from China. Buy from a reputable source.
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Re: Spark Plugs on a Merc
[Re: Champion1]
#13391553
01/03/20 03:06 PM
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Joined: Sep 2003
Posts: 3,406
Champion1
OP
TFF Team Angler
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OP
TFF Team Angler
Joined: Sep 2003
Posts: 3,406 |
What gap should they be set to?
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Re: Spark Plugs on a Merc
[Re: Champion1]
#13391597
01/03/20 03:33 PM
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Joined: Mar 2010
Posts: 25,824
T Bird
TFF Guru
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TFF Guru
Joined: Mar 2010
Posts: 25,824 |
What gap should they be set to? ![[Linked Image]](https://texasfishingforum.com/forums/pics/userpics/2020/01/full-47849-35096-screenshot_14.png) ![[Linked Image]](https://texasfishingforum.com/forums/pics/userpics/2020/01/full-47849-35097-screenshot_15.png)
Okie by birth, Texan by choice. USAF "Thunderbirds" Alumni 1985-1989
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Re: Spark Plugs on a Merc
[Re: Champion1]
#13391737
01/03/20 05:30 PM
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Joined: Jul 2010
Posts: 1,351
boatman025
Extreme Angler
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Extreme Angler
Joined: Jul 2010
Posts: 1,351 |
Pull lower cowls to make it easier
Hughes Marine
3855 Osage Lane
Wylie ,Texas
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Re: Spark Plugs on a Merc
[Re: Champion1]
#13393504
01/05/20 04:59 PM
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Joined: Nov 2002
Posts: 4,439
Gamblinman
TFF Team Angler
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TFF Team Angler
Joined: Nov 2002
Posts: 4,439 |
Be careful when re-gapping plugs with precious metals (iridium, platinum). The ground electrode must be bent using the proper tool.Use a wire feeler gauge carefully when measuring the gap between the ground and center electrodes.
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