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i have a 1990 583 mach 1 that fouls plugs every 20 mins or if it idles for a couple mins ive tried br9es and br8es. any suggestions?
 

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Are you gapping them at .016". Check your oil injector arm position, float level (inlet needle condition) and pilot air screw to make sure they are correct for the conditions you run in. Don't idle too long as it causes the engine to load up with fuel.
 

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let it warm up, mine does the same thing. If you leave it for like 10 mins when its not running then go it will foul. Let it warm up thats all i have to say. !!!
 
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