air/fuel ratio not right By epyon96r (Read 336 times)

[epyon96r]

Hello, I ride a vitacci elite 150 with the cv carb. While riding stock I could get the rpms up to 9250rpms. I recently installed a performance airfilter from scrappdog, it ran terrible after that so I changed the main jet from a #105 to a #115. It ran slightly better up to around 7k rpms before it bogged, it was still too lean. After that, I installed a #120 main jet, and it ran great up to 8K rpm until I bogged, I am unsure if it was to rich or lean with the #120 main jet. After that I installed a #125 main jet and it ran rich and bogged around 6500 rpm. SO I am going back to the #120 main jet. Can someone tell me is there a way to fine tune the carb with the 120 jet? Plz help me thank u

[rsw1158]

If you are still using your stock restricted muffler, you will have a tuff time getting your carb just right. You opened up the air airway in so you have to open the airway out.

[epyon96r]

I have an unrestricted muffler, but its connected to the stock exhaust pipe..which is restrictive...