This is an NGK 1643 LKR7E Spark Plug, Yamaha part number LKR-7E000-00-00 for use on the following Yamaha 4-Stroke outboards and other gasoline engines:
F70A
Gap: 0.9 mm / 0.035 in.
If you are purchasing this NGK 1643 LKR7E spark plug for use on other than the above listed Yamaha outboard motor, VERIFY compatibility with the engine manufacturer.
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