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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 3816308 thru 4140999 were 1974 models.
  • Serial numbers 4141000 thru 4357639 were 1975 models.
  • Serial numbers 4357640 thru 4576236 were 1976 models.
  • 1974-76 Merc 500's were produced in Merc 500M (Manual Starting, Short Shaft,) Merc 500ML (Manual Starting, Long Shaft,) Merc 500E (Electric Starting, Short Shaft, with Alternator) and Merc 500EL (Electric Starting, Long Shaft, with Alternator)