HondaRacing83
06-25-2013, 08:31 AM
I know its not a 400ex but i still need help and figured the ex section would be the most help. My buddy just bought a z400 and ordered a slip on with a k&n +outerwears and he has no idea where to start with jetting and quite frankly i dont either hah do these things have mikuni or keihin carbs