12-15-2016, 08:44 PM | #1 |
Not Yet Wild
Join Date: Jan 2016
Posts: 25
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Fouled Plug
I have a 94 DS, with FE290 motor , the plug is black . Not oily, oil level stays full. I adjusted carb. 1 1/2 turns out on mixture screw. Any ideas on what might be wrong ?
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12-15-2016, 10:46 PM | #2 |
Gone Wild
Join Date: Jan 2016
Location: FL
Posts: 1,067
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Re: Fouled Plug
not really sure anything is wrong..what you didn't mention is if it ran ok with that plug? if not check the spark and then replace if its not right. Plugs usually get black at some level
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12-16-2016, 03:38 AM | #3 |
Old Sky Soldier
Join Date: Dec 2011
Location: Kentucky
Posts: 3,881
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Re: Fouled Plug
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12-16-2016, 07:34 AM | #4 |
Not Yet Wild
Join Date: Jan 2016
Posts: 25
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Re: Fouled Plug
I run non-ethanol gas.
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12-16-2016, 08:05 AM | #5 |
Old Sky Soldier
Join Date: Dec 2011
Location: Kentucky
Posts: 3,881
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Re: Fouled Plug
Is it leaded? Unleaded will leave plugs black.
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12-16-2016, 12:14 PM | #6 |
Not Yet Wild
Join Date: Jan 2016
Posts: 25
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Re: Fouled Plug
no its unleaded
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12-16-2016, 06:00 PM | #7 |
Getting Wild
Join Date: Jan 2015
Location: s e mo
Posts: 120
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Have you replaced air filter lately?
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12-16-2016, 07:45 PM | #8 |
Gone Wild
Join Date: Mar 2015
Location: Montville,Ohio
Posts: 177
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Re: Fouled Plug
frequent starting and stopping and using the choke will darken plugs considerably. Engine must be run up to full operating tempature to burn off the dark deposits. If this is your type of driving,change to a wee bit hotter plug
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12-17-2016, 08:02 AM | #9 |
What the ....?
Join Date: Jan 2007
Location: N.E. Wisconsin
Posts: 14,931
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Re: Fouled Plug
I did a write up with basically the same symptoms as yours almost 5 years ago,
Click>>> http://www.buggiesgonewild.com/gas-c...park-plug.html Here in Wisconsin the only non-ethanol fuel we get is "premium" 91 octane, now, granted... I have a few extra modifications on my cart that I thought "could be" the culprit, but it all came down to using "regular" 87 octane w/ethanol (and Seafoam in the mix) to cure my black carboned plug! .02 |
05-10-2017, 09:02 PM | #10 |
Not Yet Wild
Join Date: May 2017
Posts: 32
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Re: Fouled Plug
Hey lockman, how often should you use seafoam and how much. I have a 92 carryall btw.
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