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Spark plug stories

 
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ScottNC



Joined: 07 Sep 2020
Posts: 4
City/Region: Hampstead
State or Province: NC
C-Dory Year: 1994
C-Dory Model: 22 Cruiser
PostPosted: Sat Jul 19, 2025 11:09 am    Post subject: Spark plug stories Reply with quote
You more experienced people, what are the plugs telling you?

https://imgur.com/a/qLdJ7sx

Thanks in advance.

They are in order too down on my Honda BF90A, 2006.
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ssobol



Joined: 27 Oct 2012
Posts: 3606
City/Region: SW Michigan
State or Province: MI
C-Dory Year: 2008
C-Dory Model: 22 Cruiser
Vessel Name: SoBELLE
Photos: SoBelle
PostPosted: Sat Jul 19, 2025 11:55 am    Post subject: Reply with quote
Probably running too rich.

However, IMO if you are not experiencing any operation issues, "Don't fix it if it ain't broke."
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ScottNC



Joined: 07 Sep 2020
Posts: 4
City/Region: Hampstead
State or Province: NC
C-Dory Year: 1994
C-Dory Model: 22 Cruiser
PostPosted: Sat Jul 19, 2025 12:21 pm    Post subject: Reply with quote
I had an issue with some water and a trash in my tanks and she was popping and sputtering. Replace the water separator that helped for a while but it kept happening so I replaced the 30 year-old tanks. Ran great for a little bit but then started popping and sputtering again. Today I replaced the plugs but it’s still doing it so I’m thinking coils now. Any ideas?
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colbysmith



Joined: 02 Oct 2011
Posts: 4978
City/Region: Madison
State or Province: WI
C-Dory Year: 2009
C-Dory Model: 25 Cruiser
Vessel Name: C-Traveler
Photos: C-Traveler and Midnight-Flyer
PostPosted: Sat Jul 19, 2025 12:25 pm    Post subject: Reply with quote
Carbs or EFI? I also voted with running rich. If Carbs, probably need to adjust those.
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ScottNC



Joined: 07 Sep 2020
Posts: 4
City/Region: Hampstead
State or Province: NC
C-Dory Year: 1994
C-Dory Model: 22 Cruiser
PostPosted: Sat Jul 19, 2025 12:57 pm    Post subject: Reply with quote
Carbs. Just talked to a mechanic friend, he agees with y’all.
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