Some things to be aware of when cleaning TSX carburetors.
1) All passages are not straight through. some have 100 degree turns/intersections (see violet > in first picture).
Others are like a tee with 3 holes all connected as in economizer circuit. The idle circuit has 5 holes all connected within
the casting! Just because you blow air in one hole and it comes out somewhere does not mean all 5 paths are clear.
2) Just because a hole starts out at one size does not mean that it retains that size all the way through. Often there is a designed-in reduction in size (step down or orifice) part way through, maybe deep in the hole you are probing. Don't mistake that for trash & drill it out!!
3) Not all TSX carburetors are identical. For example (see sixth picture in group) notice that some do not have the red circled idle fuel-to-vent passage and some do not have the economizer port in carburetor throat.
4) Bowl passages are more obvious except for this one in the last two pictures where Gary has a hat pin through the air vent-to-nozzle-well hole which meets wire running from nozzle hole-to-idle fuel hole.
These are a few pictures & diagrams that should be helpful in finding & clearing all passages, that Gary (GB in MT) and I (JMOR) worked/cussed/discussed some time ago.
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