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General Information:

  • This model was painted all "Phantom Black."
  • The serial number was on a plate riveted to the swivel bracket above and between the clamp screws..
  • Serial numbers 2874704 thru 2979678 were 1970 models.
  • Serial numbers 3043031 thru 3336257 were 1971 models.
  • Merc 400's were produced as Merc 400M (Manual Starting, Short Shaft), Merc 400ML (Manual Starting, Long Shaft), Merc 400E (Electric Starting, Short Shaft, with Alternator), as well as Merc 400EL (Electric Starting, Long Shaft, with Alternator).