fouling spark plug

  1. Gottablast2004

    Installed Toomey B1 exhaust now it wont turn on

    I have a 2004 yamaha blaster , ran perfect no issues at all when i had stock exhaust and stock jet in the carb. Has V force reeds aswell (dont know if this makes a difference ) Now that i installed the exhaust system and installed the 310 jet and changed the needle position to the 3rd slot , it...