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#279103
Mumbles
Participant

    The front thrust bearing may not be lined up correctly with its locating pin and may be protruding a bit into the gearcase. This would cause friction while in forward gear.

    A bent or twisted shift fork can also cause this problem but I assume the replacement was good.  They get damaged from forcing it into gear while the motor isn’t running.

    It’s always a good idea to tap the prop shaft forward while tightening the screws as this will move the front thrust bearing forward as far as it will go.