NGK Spark Plug BR9ES

NGK 3194 BR9ES Nickel Spark Plug Boost your personal watercraft's (PWC) performance on the waves with the NGK 3194 BR9ES Nickel Spark Plug, a reliable standard plug designed for marine enthusiasts and demanding jet ski applications. Part of NGK's trusted standard series, this spark plug offers solid durability, consistent sparking, and good fuel efficiency, making it perfect for PWCs like Yamaha WaveRunners and Kawasaki Jet Skis. Its nickel construction and copper core ensure reliable starts, smooth operation, and efficient combustion in marine environments, helping you maintain throttle response, minimize fouling, and enjoy dependable performance for everyday rides. Key Features and Benefits Nickel Center Electrode: Standard nickel design for reliable ignition and longevity in high-rev PWC engines. Pure Copper Core and Advanced Design: Excellent heat dissipation to prevent overheating. Promotes efficient combustion for consistent power and lower emissions in two-stroke motors. Built-in Resistor: 5k Ohm resistor reduces electronic interference, keeping onboard systems clear in wet conditions. Heat Range: Rated at 9, ideal for medium- to high-compression marine engines during high-speed runs. Corrosion-Resistant: Trivalent metal plating on the shell provides superior anti-corrosion and anti-seizing properties, perfect for saltwater exposure. Technical Specifications Attribute Details Thread Diameter 14mm Thread Pitch 1.25mm Seat Type Gasket Reach 19mm (0.75") Hex Size 20.8mm (13/16") Resistor Yes (5k Ohm) Heat Range 9 Electrode Gap 0.8mm (0.031") Center Electrode Nickel, Standard, Copper core Ground Electrode Nickel Insulator Material Alumina Silicate Ceramic Torque Specs Cast Iron: 18-25.3 lb. ft.; Aluminum: 18-21.6 lb. ft. Connector Type Solid Compatibility and Installation Notes The NGK 3194 BR9ES serves as a direct replacement for many PWCs equipped with two-stroke engines, providing reliable performance. Common applications include: Kawasaki Jet Skis: Ultra 150 (2000-2005), STX-R (2002-2005), ZXi (1995-2003), STX (1997-1999), STS (2001-2002). Yamaha WaveRunners: GP1200 (1999), GP800 (1998-2005), XL800 (2000-2001), XLT800 (2002-2004). Tigershark: Various models (consult specific fitment). Always verify fitment with your PWC's manual or NGK's application guide. This colder heat range plug (9) is often recommended for modified engines or high-performance applications where BR8ES is stock. Installation is simple using a 13/16-inch spark plug socket and torque wrench; apply anti-seize to threads for aluminum heads to avoid seizing in marine conditions. With NGK's legacy of quality since 1936 and proven track record in marine applications, the BR9ES Nickel Spark Plug is more than a part—it's your key to unleashing reliable, high-octane fun on the water.