My KTM 85 SX 2007

[Fin]

Hello there, was just looking for some help. I recently bought a KTM 85 SX 2007 and it is having some problems. After a few weeks or riding on it the bike stops working and when started, bogs and dies. Replacing the spark plug has seemed to help this however, now when the bike is started, it kicks in the first few tries, runs fine and revs normally until warm when the engine dies and won't start again until it is cold. The spark plug becomes quite oily and cleaning it doesn't seem to help. Please help as I am relatively new to riding.

 

[truespode]

Here are a few posts that may help you learn about jetting:

https://www.eric-gorr.com/files/pdfs/carb_cleaning_and_jetting.pdf (highly recommend)

About Carb Jetting

2 Stroke Carburetor Tuning