Chris,
Did you go through the balancing procedure first?
Basically, you loosen the interconnecting shaft and make sure the air being
sucked into both carbs is the same. Then you lock them together and
proceed with the fine tuning of the carbs.
Joe
Chris DeStaffany wrote:
>
> Spent the weekend transplanting a set of HS4s into the
> 75 1500. This is a good used set that I checked for
> trottle shaft wear. There was none measurable. It got
> dark so I had to stop working. It starts and runs but
> sounds like it is missing on a cylinder even though it
> is not. The rear carb is pulling well but the forward
> one is not doing much. If I richen it up blocking the
> air by putting my hand over the intake, it runs well.
> I get a little gas back on my hand after about 20
> seconds. I've dropped down the jet to about 4 turns
> from the top, but it doesn't seem to be doing
> anything. Any Ideas out there?
>
> Chris DeStaffany
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