SPARK PLUG WIRE KIT

Name: SPARK PLUG WIRE KIT
Brand: Mercury Marine
SKU: 816761A12

Part no. 816761A12

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Superseded by: 816761Q12

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What does this part do?

Ignites the fuel-air mixture in the cylinder. Worn plugs cause hard starting and misfires; inspect every 100 hours, replace as a set every 300 hours.

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For spark plugs the engine name is not enough; the exact part code and gap (e.g. 0.8 mm) come from the manual. Quantity equals the cylinder count.

Engine serial number, the code on the current plug and the cylinder count.