Engine Vibration

Ian Park

My Prima M50 is vibrating badly at the rear (end furthest from the C Drive). It’s OK below 1800 rpm.
All the engine And transmission mounts were replaced in Martinique in 2018 and the engine re-aligned.
I am assuming one of the rear mounts has failed. Is there anything else that can cause this vibration?
I had refurbished injectors fitted before setting off at the beginning of August and I have re-bled them to ensure no air locks.
Is my suspicion of a failed engine mount(s) most likely?

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