i need carb/engine help

blasterboy89

New Member
Sep 4, 2011
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I have a 89 blaster and i was wondering if anyone knew why the spark plug keeps fouling out with oil. I went through and cleaned the carb and every other aspect and after trying to start it a few times I took the carb off again and it had some oil in it, along with the spark plug. I do not mix my fuel it is oil injected. I've been trying to troubleshoot this for a few months now. Any help is appreciated. Thanks.
 
could be different things, do a compression and leakdown test to make sure you aren't blowing by the rings, if you can get rid of the oil injection and start mixing gas
 
Don't use choke more than needed, use good oil for injection. What plug you running, is air filter clean? Any mods with jetting change? Might be rich, air screw not out far enough. Weak spark.