Carb rebuild question

alloycowboy

Cadet
Joined
May 30, 2011
Messages
20
I just got a rebuild kit for my carb. Its for a 25 Mariner which really is a Yamaha motor. Anyhow, there is a VERY small "o" ring, and Im not too sure where it goes seeing that I didnt see one when I stripped it down. Is it possible I dont need it? Ant ifo on this is greatly appreciated.
 
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