6hp Carb problem

BobList

Petty Officer 2nd Class
Joined
May 20, 2010
Messages
135
I have a question.. my 1968ish 6hp only runs with the choke full on, and of course, has only half power... tells me, too much air, or not enough fuel... anyway, there a 3 ports on top of the carb... a cap and a shot plug on the channel the low idle screw goes into. To the left of this channel, there is what appears to be another channel ( near where the screw for the choke detent goes). This channel has an open port on it, and it draws vacuum. When I put my finger over it, the revs scream high, and it starts to sound like old times. Is there supposed to be a ball sealing this, or is it a bowl vent?

Bob
 
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