Hi Rich
As far as your intermittent rough running, a few
ideas:
When motor begins to run rough, what happens if you turn
off both pumps? Does that help? If so you may be above 5 lbs differential
or your needle valve and seat may be leaking.
Is rubber holding
your carbs the Kevlar reinforced and no cracks or leaks?
Are
you absoluetly certain that you are getting butterflys opening the same?
Intermittent throttle cable kinking?
Are both your choke cables
allowing full closure?
Did you check if carb diaphragms have
hole or rip and that slides are free to move up and down?
Is
your fuel tank vent clear?
Are you certain plumbing that allows
airbox pressure to pressurize carb float bowls are in order?
Ron Parigoris
|