Possible spark plugs:

  • NGK: BP4
  • Accel: 138
  • Autolite: 77
  • Champion: J14Y
  • Champion: J18Y

Details about your spark plug:

  • Type: AUTOM.
  • Thread size: 14mm (0.55118 inches)
  • Hex size: 0,81 inches (20.574 mm)
  • Reach: 0,38 inches (9.652 mm)
  • Seat type: GASKET
  • Projected tip: YES

Convert another spark plug:

spark plug converter: