Help My 1999 ktm 200 exc power and smoking problems

Dula1999

Member
Jul 19, 2022
1
0
I recently got a 99 ktm and the first thing I noticed was the power was low and it was smoking at high rpms at first I thought it was my gas mix 50:1 so I switched to 40:1 and it didn't change and a excess of black oil is coming out of my spark plug hole and around where my pipe connects to the engine what do I need to fix please help.
 
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