Dreaded "Runs only when choke is on" question

#24
:laugh: new carb was ordered last night.
Good to hear. On those Tec carbs...missery loves company. Either mine work absolutely awesome, or they are total pieces of crap.

I got a an old Tec from kustomkartkid with a carb his son rebuilt, and it's the best carb I have. It idles at 50 RPM, I swear.

One question I've always had, was what would happen if I tried to swap that fuel fitting elbow from the Tec carb to the replacement Oregon carb? I just don't want to break a new carb finding out. I hate that straight fuel barb, as it hits the throttle linkage and rubs.

Oh yeah, there is another carb out there that tries to pass off as a replacement carb, but it's not Oregon. Has plastic floats, no float adjustment, and almost no metal holding the float hinge pin. Breaks if you look at it.
 
#25
Fixed Jet carb...

The fixed jet will have holes in the sides of it make sure those are absolutely clear and on the side of the well that it screws into there is a little hole that lets fuel into the passage might be severly restricted take a little peice of wire and ream that out. Your definatly not pulling fuel into the passage. Use carb cleaner and high compressed air and blow that passage that goes to the throat of the carb out about a dozen times very quickly because carb cleaner evaporates about as quick as you can spray it.

One thing that clogs carbs quicker than anything is fuel left in the carb and gas tank it turned into varnish and pluged jet passages up. Or a little flake of rust from a steel gas tank or fuel line flaking on the inside or water creates havic also. Run a fuel filter at all costs. And don't forget to look down in your gas can you fill your motor with for junk floating around in it.

And don't be running ethonal fuel either - it's junk fuel

Uhhh I'm not much about letting the cat out of the bag when it comes to my secrets on fixed jet carbs but I'll clue everyone in.

That fixed jet can be replaced with a adjustable Jet - the threads are the same it's been so long since I done it - but I looked through my spare adjustable jets one day and found one that screwed in and put fiber washers one on each side of the bowl and used the spring and washer and o ring and fired the motor up and adjusted the high speed jet - It ran perfect... which motor I did that on is history because I done forgot...
 
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