plug fouling

viper700t

New member
Joined
Oct 11, 2009
Messages
237
Age
32
Location
NB
well at the end of the season last year, my #1 cylinder plug was lookin pretty balck..not to much time after it fouled the plug..first plug i fouled in 3 years owning the sled..so i put another one in an it fouled..but i couldnt play with it anymore because the snow vanished..so since i have some time on my hands i was just wondering what could cause this so then i could start looking at it now..thanks for ur imput..
 

If your carburetors are clean and properly set then it could be a faulty coil, trying switching coils with another and see if it makes a difference.
 
I think he was referring to the actual plug wire cap...they have a resister in them and it is not uncommon for the resister to go causing plug fouling, misses ect.
Personally I have been replacing the plug caps every couple years[or when I think of it] on all my sleds as preventative maintenance.

Bob
 


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