Marine Engine (Outboard)

PERKINS

4.5HP

Model Year Standard Plug Gap (mm)
1962-65 WS20-U 0.7

6.0HP

Model Year Standard Plug Gap (mm)
1959-61 W20S-U 0.7

6.5HP

Model Year Standard Plug Gap (mm)
1962-65 W20S-U 0.7

16.0HP

Model Year Standard Plug Gap (mm)
1959-61 W16LS 0.7

18.0HP

Model Year Standard Plug Gap (mm)
1962-65 W16LS 0.7

30.0HP

Model Year Standard Plug Gap (mm)
1962-65 W20FS-U/TR20 0.7

35.0HP (18mm Head)

Model Year Standard Plug Gap (mm)
1959-60 W20FS-U/TR20 0.9

35.0HP (14mm Head)

Model Year Standard Plug Gap (mm)
1961 W20FS-U/TR20 0.7

40.0HP

Model Year Standard Plug Gap (mm)
1959-61 W20FS-U/TR20 0.7
1962-65 W20FS-U/TR20 0.7

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