4 NGK Spark Plugs - For Yamaha Waverunner FX HO FY1800 Watercraft

The NGK 6668 Spark Plug (LFR6A) is a high-performance plug for 4-stroke Yamaha watercraft engines, providing precise ignition, reduced fouling, and extended service life in high-load marine conditions.

Features & Benefits:

🔧 Long-reach plug for modern 4-cycle Yamaha engines🔧 Trivalent plating resists saltwater corrosion🔧 Projected tip design improves combustion efficiency🔧 Copper core for consistent thermal control

Specifications:

Brand & Part Number: NGK 6668 LFR6AMaterial: CopperThread Size: 14mmReach: 26.5mm (1.04 in.)Hex Size: 5/8 in. (16mm)Seat Type: GasketResistor: YesGap: 0.039 in. (1.0mm)

Choose NGK LFR6A for long-lasting marine ignition performance in your Yamaha PWC—order now!