Resonant vibration stopped on engine test bench
I reported the severe vibration of engine before. And I thought the cause of resonant vibration. I used woods instead of brass spacers of 40mm ( 1.6in ) long for the engine mount this time. I am satisfied with the result. The mount block size is W14xD45xH29 mm. The photos show the engine mount and woods to compare the pillar. I changed a small spinner for bigger 40mm one to adapt starter well.

mount mountCompare
mounted on woodswoods and pillar

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