Mercury – NGK IZFR5J Laser Iridium Spark Plug | Ignition System Component | 892567Q Mercury-135HP-EFI-2017 Minimal clutch free play

Minimal clutch free play

Poor cooling during long runs

Ring Material: UV-Stabilized Thermoplastic

saltwater spray

heavy-duty blades deliver maximum thrust and consistent lift for big boats

Mercury – NGK IZFR5J Laser Iridium Spark Plug | Ignition System Component | 892567Q Mercury-135HP-EFI-2017 Minimal clutch free playMercury NGK IZFR5J Laser Iridium Spark Plug Ignition System Component 892567Q Overview Some parts work quietly in the background, but you feel their impact every time you throttle up. A spark plug seems simple, yet the right one brings your engine to life with clean, confident ignition. It smooths out the idle, sharpens throttle response, and keeps the entire power curve feeling steady. This Mercury Marine part delivers that familiar sense of