No thats not normal it should turn very freely and crank should turn under its own weight . I recently rebuilt a 3TB engine and when tightening up the crankcase halves together the crank became hard to turn. I found this was due to the crank bearing not fully seating into position onto the crank. It took a few hits on the inner race of the crank bearing while the crankcase halves still bolted together to fully seat bearing and it then turned freely. It wont spin freely with clutch basket and oil pump installed though due to drag of oil pump.
Last edited by dzl; 7 May 2019 at 03:25.
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