This spark plug fits the following outboards:

Yamaha Two Stroke

• 6 & 8

• 9.9 / 15 / 20 / 25

• 30 (87~02)

• 40 (84 ~ 05) / C40 (97 ~ 02)

Mercury Two Stroke

• 30 (Lightning)430cc USA 0G575500 and up

To confirm compatibility, please check with your owner's manual.

NGK standard plugs are constructed for longer life and optimum performance.

• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties

• Corrugated ribs prevent flashover

• Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer

• Copper core aids in heat removal

• Triple seals prevent leakage