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Graymarine

Graymarine spark plug

Champion Spark Plugs for Graymarine Inboard Motors

Champion spark plugs are original equipment on many inboard and outboard 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
  112 RD16 D16 0.025
  120 D14 0.025
  122 D14 0.025
  135 D14 0.025
  135 V8 RJ12YC J12YC 0.025
  136 D14 0.025
  138 V8 RJ12YC J12YC 0.025
  138A V8 RJ12YC J12YC 0.025
  140 D14 0.025
  150 D9 0.02
  150 D14 0.025
  162 D14 0.025
  165 D14 0.025
  175 V8 RJ12YC J12YC 0.025
  178 V8 RJ12YC J12YC 0.025
  178B V8 RJ12YC J12YC 0.025
  188 V8 RJ12YC J12YC 0.025
  200 D6 0.025
  215 V8 RJ12YC J12YC 0.025
  220 V8 RJ12YC J12YC 0.025
  225 V8 RJ12YC J12YC 0.025
  238 V8 RJ12YC J12YC 0.025
  280 V8 RJ12YC J12YC 0.025
  310 V8 RJ12YC J12YC 0.025
  360 V8 RN14YC 0.025
  427 V8 RJ12YC J12YC 0.025
  52 RD16 D16 0.025
  620 D14 0.025
  75 D14 0.025
  750 D14 0.025
  80 D14 0.025
  85 D14 0.025
  85TD D14 0.025
  86 D14 0.025
  91 RJ12C J11C 0.035
  CF V8 RJ12YC J12YC 0.025
  CH V8 RJ12YC J12YC 0.025
  Four 140 D9 0.025
  Four 22 RD16 D16 0.025
  Four 40 D14 0.025
  Four 45 RJ8C J8C 0.025
  Four 50 RJ8C J8C 0.025
  Four 52 D14 0.025
  Four 62 D9 0.025
  Four 69 RJ12C J11C 0.035
  Four 75 D14 0.025
  Four 90 D14 0.025
  Models 170 V8 RJ12YC J12YC 0.025
  Models 195 V8 RJ12YC J12YC 0.025
  Models 260 V8 RJ12YC J12YC 0.025
  Models 304 V8 RN14YC 0.025
  Models C V8 RJ12YC J12YC 0.025
  Sea Scout 91 RJ12C J11C 0.035
  Seascout 45 RJ12C J11C 0.035
  Six 100 D14 0.025
  Six 103 D9 0.025
  Six 104 D9 0.025
  Six 109 D14 0.025
  Six 109TD D14 0.025
  Six 110 D14 0.025
  Six 111 D14 0.025
  Six 112 D9 0.025
  Six 115 D6 0.025
  Six 116 D9 0.02
  Six 116 D14 0.025
  Six 118 D14 0.025
  Six 121 RD16 D16 0.025
  Six 125 D9 0.025
  Six 140 D9 0.02
  Six 160 D9 0.02
  Six 175 D14 0.025
  Six 185 D14 0.025
  Six 186 RD16 D16 0.025
  Six 224 D6 0.025
  Six 226 RD16 D16 0.025
  Six 232 RN9YC N9YC 0.025
  Six 244 D14 0.025
  Six 330 RD16 D16 0.025
  Six 427 D14 0.025
  Six 51 RD16 D16 0.025
  Six 70 D14 0.025
  Six 71 D14 0.025
  Six 77 D14 0.025
  Six 80 D14 0.025
  Six 88 D9 0.025
  Six 90 D9 0.025
  Six 91 D14 0.025
  Stern Drive RN9YC N9YC 0.025
  Super 117 D9 0.025
  Super 330 D9 0.02
  Super 427 D9 0.025