150 txrc, no intake "suction/vacume"

[erniefish]

i have spark, i have fuel, but no "suction" on carb bank1 and 3. if you put your hand over 2 you can feel the suction , compression is 95-105 0n those banks, is it reeds? , this one has me banging my head against the wall,

 

[tobytodd]

Re: 150 txrc, no intake "suction/vacume"

i have the same problem right now with my 140 johnson (1985?).
My top right carb is spitting fuel and has no suction. The rest are fine. I am looking for advice also. All carbs are rebuilt and were clean as a whistle anyway.

 

[99yam40]

Re: 150 txrc, no intake "suction/vacume"

not sure but I would look at the reeds