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McCulloch

McCulloch spark plug

Champion Spark Plugs for McCulloch Outboard Motors

Champion spark plugs are original equipment on many outboard and inboard motors and are excellent replacements for everyday engine maintenance. Please view the application guide below. You may also find the Champion spark plug code helpful.

Year Model / Engine Copper Plus Plug Alternate Plug Gap
75 HP
    RJ12C J11C 0.03
45 HP
    RJ12C J11C 0.03
28 HP
    RJ12C J11C 0.03
14 HP
    RJ12C J11C 0.035
9.5 HP
    RJ12C J11C 0.035
9 HP
    RJ12C J11C 0.035
7.5 HP
1969-1964   RH12 H12 0.035
4 HP
    RJ14YC 0.035
1969-1964 Long Shaft RH12 H12 0.035
3.5 HP
1969-1964 RH12 H12 0.035
  590 RJ12C J11C 0.03
  630 RJ12C J11C 0.03