Hi All,
I'm hoping that someone can shed some light on this rather frustrating
situation, I'll try to be brief:
I have a U20 with old style solex's, I was originally having trouble with a
compression loss in cylinder #4, trouble shooting lead to trouble in the
head, pulled the head, had everything freshened up by a competent machinist
with experience with these motors, head is now OK, but still having
difficulties with #4 cylinder. I switched carbs front to back, and now have
trouble with #2 cylinder, which isolates trouble with that carb. It doesn't
seem to flow as much air as the other carb - my airflow meter confirms this.
I've checked, cleaned all the jets, gaskets, venturies,ect and still can't
seem to get an improvement in airflow. I can easily get everything to idle
properly and have followed the manual for proper balancing, which I can get
it to do by over adjusting the one carb, but pulling the spark plug wire at
#2 cylinder doesn't make a difference in engine performance. Any ideas?
Thanks in advance...
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