KDX200 Expansion chamber to silencer junction.

Sorry, that should have read : "A properly set up two stroke will make some spooge...

Don't mess with your premix, leave at 32:1. Less oil actually makes your bike run richer, less oil means more full therefore it burns richer. Try using a warmer spark plug and jet your carb properly.Try this web site for an excellent gude to setting up the carb, www.atvtuphrecycled.com/carb tuning.