Float Valve and Pilot Jet Replacement Needed?

[DaveP]

First carburetor rebuild on a 1981 GS650. Have only taken apart and cleaned carburetor #1 so far.

Red circle: The float valve plunger does not depress at all. Does it need to be replaced or do something other than dipping?

Green circle: The pilot jet has been dipped for almost 3 hours, but the hole in the tip is still completely clogged. Can't get a wire to go through. Time to replace or dip longer?

Thanks,
Dave

[DaveP]

End shot of the pilot jet:

[Steve]

Tap the pin in the red circle, it will probably free up.

Use a finer wire in the end of the jet. I use a single strand in a multi-strand electrical wire. I have two sections of wire to poke though the holes in jets. One section has thicker wire strands that I use in the side holes of that jet, main jets and the emulsion tubes. The other section of wire has finer wires, but more of them, and I use that only for poking the end holes.

.

[GSX1000E]

PM on the way...

[Nessism]

Soak the parts longer. Over night at minimum. The needle will free up, as will the gunk plugging the jet.

[tkent02]

The needle will free up in a few seconds if you hit it with spray carb cleaner.

[DaveP]

A quick soak in spray carb cleaner did the trick on the plunger. I am surprised that a few hours in the parts cleaner did not have the same effect.

For the pilot jet, I have the wire cleaner set from K&L. http://www.bikebandit.com/k-l-carb-cleaner-kit There are various sizes of wires in the set, but none are specified. Not sure how these compare to some of the other wire suggestions.

Heading out for a couple of days for Memorial Day Weekend, so won't try the longer soak on the pilot jet until I get back.

[tkent02]

Why not soak it the whole time you're gone?

It won't hurt the brass at all.

[GSX1000E]

Why not soak it the whole time you're gone?

It won't hurt the brass at all.

Exactly!

[DaveP]

I will! The tough love in this group is great!

[tkent02]

I left some jets and things in the dip for about six months, it didn't hurt them at all.