I knew (we became aware of this the first time we viewed the bike) that the carburator was in bad shape, with a lot of "built up" varnish everywhere. When I took it all apart to clean it, I found a few more problems that I did not see during previous inspections.
These were hi-lighted to me after I had soaked the dismantled carb in some cleaning solution to remove all the built-up varnish and residues.
| 1 | Some residue will not clean up (see photo), and will not come off of the bowl surface. | |
|---|---|---|
| 2 | The fuel bowl has three holes in it. | |
| 3 | The bowl "drain" needle valve is broken, and the threaded needle is stuck in the bowl. |
 Before cleaning in the pressure washer. |
 After cleaning in the pressure washer. |
I suspect that the white residue which will not "clean up" is the remains of a previous attempt to "seal the holes"
I found in the bowl.
The "bowl drain needle valve" is well "stuck" in the bowl body, and short of "drilling" it out, it will NOT
budge. I have decided to leave it in there, and work on that after the engine is running again.
I then cleaned the carburator bowl in a "liquid/bead" pressure washer, and that did a great job removing the last of
the white residue. I will be trying some "fuel resistant" EPOXY on the bottom of the bowl, in an effort to seal the
holes.
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This page last modified on: September 6th, 1999 by: 1976 CT-70 Project Owner.