Sam,
Thanks for the reply.
It was accelerating rapidly with little throttle movement, not running away, but RPMs were increasing too much for the amount of throttle movement.
I checked the governor (throttle wide open loosened nut clamping governor shaft and rotated the shaft). It moved less than a 1/4 of an inch but that was all it needed. It runs great now...good throttle response, no excessive acceleration, good idle.
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