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Dec 30th, 2023
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 Spark Plugs
#12813499
07/02/18 03:59 PM
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Joined: Mar 2014
Posts: 3,907
Topwater2
OP
TFF Team Angler
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OP
TFF Team Angler
Joined: Mar 2014
Posts: 3,907 |
When changing out your plugs, do you stay with the NKG's that came factory or do you go with a different brand?
FishKen
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Re: Spark Plugs
[Re: Topwater2]
#12813513
07/02/18 04:09 PM
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Joined: Nov 2006
Posts: 2,695
jwcromer
Extreme Angler
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Extreme Angler
Joined: Nov 2006
Posts: 2,695 |
why change? stay with what the factory put in.side note don't buy them at a marine dealer,go to an auto supply store,lot less money and the same plug,know the no. when you go
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Re: Spark Plugs
[Re: Topwater2]
#12813540
07/02/18 04:27 PM
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Joined: Oct 2004
Posts: 1,812
David Rush
Extreme Angler
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Extreme Angler
Joined: Oct 2004
Posts: 1,812 |
Id suggest doing a little research before you change the plugs. There are lots of topics on bbc about plugs. Iridium, indexing, and gapping are all things you need to know about. Different motors have different requirements, but I know they recommend certain iridium plugs on Mercs not ngk. Some may or may not need indexing.
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Re: Spark Plugs
[Re: Topwater2]
#12813546
07/02/18 04:32 PM
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Joined: Mar 2007
Posts: 16,337
forkduc
TFF Guru
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TFF Guru
Joined: Mar 2007
Posts: 16,337 |
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Re: Spark Plugs
[Re: Topwater2]
#12813569
07/02/18 04:45 PM
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Joined: Jul 2011
Posts: 9,200
the skipper
TFF Celebrity
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TFF Celebrity
Joined: Jul 2011
Posts: 9,200 |
Stick with factory. I have seen posts where people have changed to other brands and they couldn't hold up and the tips come off or maybe they are just a hair longer and beat the piston top. Some have caused blown motors also
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Re: Spark Plugs
[Re: David Rush]
#12813636
07/02/18 05:18 PM
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Joined: Aug 2006
Posts: 4,010
machinist
TFF Team Angler
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TFF Team Angler
Joined: Aug 2006
Posts: 4,010 |
I’d suggest doing a little research before you change the plugs. There are lots of topics on bbc about plugs. Iridium, indexing, and gapping are all things you need to know about. Different motors have different requirements, but I know they recommend certain iridium plugs on Mercs not ngk. Some may or may not need indexing. You can buy NGK in Iridium, copper and several other materials. Ngk's are what come in Mercs from the factory.
I fish on the edge and stay out of the middle
99 BassCat Jag w/225 Merc Optimax
Retired TXU Outage Manager
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Re: Spark Plugs
[Re: the skipper]
#12813742
07/02/18 06:37 PM
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Joined: May 2002
Posts: 5,037
leethefishking
TFF Celebrity
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TFF Celebrity
Joined: May 2002
Posts: 5,037 |
Stick with factory. I have seen posts where people have changed to other brands and they couldn't hold up and the tips come off or maybe they are just a hair longer and beat the piston top. Some have caused blown motors also This, don't risk it!
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Re: Spark Plugs
[Re: Topwater2]
#12813805
07/02/18 07:56 PM
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Joined: Mar 2014
Posts: 3,907
Topwater2
OP
TFF Team Angler
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OP
TFF Team Angler
Joined: Mar 2014
Posts: 3,907 |
FishKen
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Re: Spark Plugs
[Re: machinist]
#12814405
07/03/18 03:45 AM
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Joined: Oct 2004
Posts: 1,812
David Rush
Extreme Angler
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Extreme Angler
Joined: Oct 2004
Posts: 1,812 |
I’d suggest doing a little research before you change the plugs. There are lots of topics on bbc about plugs. Iridium, indexing, and gapping are all things you need to know about. Different motors have different requirements, but I know they recommend certain iridium plugs on Mercs not ngk. Some may or may not need indexing. You can buy NGK in Iridium, copper and several other materials. Ngk's are what come in Mercs from the factory. You are correct... sorry I mistyped that. Not sure why I said not NGK.
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