hissing sound from the carb or engine??

[dkwild69]

HI all,

I took the bike out for a 20 minutes ride and after I clean and rejet the carb, when I got home I went to adjust the air/fuel mixture screws and noticed that there is a High Pitch Hissing sound, like something (air) is leaking, its hiss for about 2 minutes then stop....Your ear have to be somewhat close to the carb to hear it...anyone knows what it is???

[davipu]

sounds like you do have a air leak, when you were puting the carbs back on did you forget to tighten a screw?