Originally Posted by
kmeyers
Pushing the needle down opens the flow of fuel to the metering chamber. On the forked diaphragm without the needle inserted into the fork lever, floods the engine. These forked lever and diaphragm are on the larger series walbro's.
If you didn't have it inserted and you were getting too much fuel you have found your problem.
I've got my fingers crossed.
Yes.
Here is a quote from Wind-drifter.com:
"
Important Notes on Carb Re-asembly:
.....................................
2) When re-assembling, make sure the Metering Lever clips into the Metering Diaphragm, or the engine just won't go. This does not apply it you are using the metering kit that does not incorporate the lever & diaphragm clip.
.................................................. .........."
There is little if any specialised information available from Walbro for the WJ57. Not that I have been able to find anyway.