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2 Replies | Page 1 of 11 | Top of Page | Bottom of Page

What is fouling up my plugs?

by fear_no_fish , Posted to Fishing Buddy on 07/30/2010 10:35 AM \| "Quote" \| "Quick Reply" \|
fear_no_fish Joined: 07/11/2006 Location: ND	I have an early 80's 25 HP Mercury outboard. It always runs good but the top end and power goes away after about 3 trips on the water. I keep putting in new plugs and they seem to foul up. There is not much build-up on them but they turn a darker brown color. After I put new plugs in it runs at top speed and power until they go to hell again. I have been using a 50:1 fuel mixture with premium gas. Does anyone know what is going on? Is it my air/fuel mixture? Thanks for your insight!
	-Team Flightstoppers ND
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Re: What is fouling up my plugs? by Captain Ahab on 07/30/2010 1:16 PM \| Reply #1 \| "Quote" \| "Quick Reply" \|
Captain Ahab Joined: 12/01/2008 Location: ND	Sounds like a weak spark. I would test your coil/coil wires.
	"Diligence is the mother of good luck." Benjamin Franklin
Re: What is fouling up my plugs? by Traxion on 07/30/2010 1:31 PM \| Reply #2 \| "Quote" \| "Quick Reply" \|
Traxion Joined: 02/15/2005 Location: SD	I'd guess you've got low compression. Sounds like some of the old sleds we used to run, the compression was poor at best and we'd change plugs 10x a day. We cleaned them up with a wire brush and just rotated them all day long LOL! Motor is probably just showing a bit of its age, as compression falters plugs seem to go quick. A check with a compression guage could confirm this. Good luck!
	“Reality is merely an illusion, albeit a very persistent one.” - Albert Einstein

2 Replies | Page 1 of 11 | Top of Page | Bottom of Page

Posted By: fear_no_fish
Posted On: 07/30/2010 10:35 AM

348 Views, 2 Comments

Tags: plugs, fouling, power, top, new, runs, mercury, water, putting, foul
More Tags: Human Interest
Region: North Dakota

Categories: Fishing > Fishing Equipment and Gear

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What is fouling up my plugs?

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