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Yamaha

Yamaha spark plug

Champion Spark Plugs for Yamaha 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
300 HP
1994-1993 7.4L V8 RV15YC4 0.035
240 HP
1994-1989 5.7L V8 RV15YC4 0.035
210 HP
1994-1989 5.0L V8 RV15YC4 0.035
180 HP
1994-1989 4.3L V6 RV15YC4 0.035
110 HP
1994-1991 L4 3.0L RV15YC4 0.035
2005-2003 AR210 QL78C L78C 0.024
2005-2003 AR230 G57C 0.032
2005-2003 LX210 QL78C L78C 0.024
2005-2003 SR230 G57C 0.032
2005-2003 SX230 G57C 0.032