Oil Clogging up

[FL-R]

Im running castor 927 mixed 32:1 , Been running this for years, but i got a new ESR silencer with a spark arrestor to be legal to race our XC series. I ran 2 practice rides and the screen started to get clogged up with oil residue and it started running like crap. What would be a better mixture to stop this

[f4istunna]

id do some plug checks and make sure the jetting isnt too rich in carb. I run 32:1 in all my 2 strokes . Only had splooge when my jetting was off. your silencer maybe restricting it a little more and you need to lean out...