Spark plugs are easy to overlook, but they play a direct role in how your KRX runs. These NGK Iridium plugs deliver a stronger, more consistent spark for smoother operation and reliable performance.
Key features
NGK Iridium construction for long life
Strong, consistent spark
Improved combustion efficiency
Better throttle response and starting
OEM-spec fitment
tips & Notes
OEM equivalent part #: SILMAR9F9 / 92070-0721
Includes (1) spark plug (engine requires multiple)
Recommended for routine maintenance or performance setups
Works with stock and modified engines
Installation
Remove ignition coil
Remove old spark plug
Check and set gap if needed
Install new plug and torque to spec
Reinstall coil
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