Rich Mason wrote:
>
> Upon reassembly - it ran OK, but not as smoothly as before. I drove to work
> and back, and was convinced that the mixture was off a bit. Looking at the
> jets - the rear one was much higher than the front one. This puzzled me as
> I didn't change the jet settings when I replaced the floats, and both were
> very close before.
>
> The present symptom is a 500 rpm swing in rpm, no matter where the throttle
> is set, and more noticeable when it warms up. If I hold the pedal for 1500
> rpm - it will drop to 1000 rpm for a second or two, then climb back up to
> 1500 for a few seconds, then fall back down to 1000 again. If I set the
> idle at 1000 rpm - it drops to 500 and stalls out.
Could be the over-run valves on the throttle butterflies playing up.
But in any case you need to do a full carb adjustment (after valve
adjustment and ignition setup) before looking for any other problems.
PaulH
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