Marine Engine (Outboard)

McCULLOCH

3.5HP

Model Year Standard Plug Gap (mm)
1964-69 W16LS 0.0

4.0HP Long Shaft

Model Year Standard Plug Gap (mm)
1964-69 W16LS 0.8

7.5HP

Model Year Standard Plug Gap (mm)
1964-69 W16LS 0.8

9.0HP

Model Year Standard Plug Gap (mm)
W20M-U 0.8

9.5HP

Model Year Standard Plug Gap (mm)
W20S-U 0.8

9.9HP

Model Year Standard Plug Gap (mm)
W20M-U 0.8

14HP

Model Year Standard Plug Gap (mm)
W22S-U 0.8

28HP Manual Start

Model Year Standard Plug Gap (mm)
W22S-U 0.8

45HP Electric Start

Model Year Standard Plug Gap (mm)
W24S-U 0.8

45HP Manual Start

Model Year Standard Plug Gap (mm)
W22S-U 0.8

75HP

Model Year Standard Plug Gap (mm)
W22S-U 0.8

590/630

Model Year Standard Plug Gap (mm)
W22S-U 0.8

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