Yamaha - Spark Plug (NGK ILMAR7H9) - 94702-00447-00

Beneath every exhilarating ride lies a spark that ignites the engine’s true potential. The Yamaha Spark Plug (NGK ILMAR7H9) delivers that dependable spark, engineered to handle both casual cruising and high-performance demands. Built with advanced electrode technology, it promotes consistent combustion for smooth acceleration—whether you’re heading out on a relaxed weekend trip or pushing the limits on the open water.

Marine-grade construction equips this spark plug to withstand moisture, salt spray, and dramatic temperature shifts, giving it a clear advantage in challenging conditions. Corrosion-resistant materials and precise engineering come together to minimize misfires, maintain better fuel efficiency, and prolong overall engine life.

• Long-Lasting Dependability: Cuts down on frequent replacements, saving time and hassle
• Enhanced Throttle Response: Delivers quicker acceleration for a sharper, more responsive ride
• Optimized Combustion: Helps conserve fuel and prevent unnecessary waste

Whether you’re installing it as a direct replacement or upgrading an existing setup, this Yamaha spark plug is a straightforward yet essential step toward maximizing horsepower and reliability. It’s a key component that ensures peak performance, season after season.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.