Quote:
Originally Posted by jayvee34
Mine had a similar problem, Had run 2 1/2 turns open.
The main jet bore was under sized, it is now drilled it to 63 MM and starts cold
with the throttle lever at 2 clicks, GAV at 1/8 open, until warmed up and runs
with GAV closed or just barely open. I have a set of jet drills coming so as to
check the comp and idle jet. It idles perfect though and the cap jet was already
at 63 MM.
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I'm confused. What does 63 MM stand for?