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View Full Version : BLACK plug on a 4-stroke



1980ATC185
11-23-2003, 09:38 PM
My bike runs for about a day or so then it quits running
i pull the plug and it is black

whats wrong with my bike

ScottZJ
11-23-2003, 10:15 PM
Running alittle too rich sounds like. Make sure your filter is good and clean and then see about cleaning the carb too. You need to lean it out by either adding more air flow or less gas.........peace

1980ATC185
11-24-2003, 01:54 PM
i think i found it the pilot jet fell out when i was riding

skippy
11-24-2003, 11:45 PM
geez.. it had to run like crap!! youll be getting a "new" bike w that screwed back in..