Opened up the float bowls and found this crud on #3 float. #1 as you can see was a lot cleaner. 2 and 4 were not great.
So I decided to clean then per the GS forum process. Taken apart, dipped and spayed and new O rings from Mr. Barr. The intake boot O-rings were looking very flat and shrivelled.
AZR's suggestion of using the Brass choke cable nut for the fuel level tool worked well. What I found interesting was that the float heights didn't seem to match up with the fuel levels measured. Note I measured the fuel levels with the bike not running which I know is not per the manual.
Anyway I'm wondering if folks think crud like this on the floats might affect the boyancy (sp?) of the floats.
Carbs are back together, bench synced, floats all at 24mm now, float needles and seats looked ok, springs seemed strong. Waiting for float bowl gaskets along with the coils/wires to get it all buttoned up. Since I have the cam cover off I confirmed the cam chain timing is ok. Hopefully parts arrive today or tomorrow and I can put it back together, sync the carbs with a sync tool, and see if it runs better.
Oh, old coils checked out ok resistance wise, but two of the 4 plug caps were 10K Ohm (cylinders 2 and 3)and two 5K Ohm. I'm thinking maybe this was a bit of a problem too.
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