Regular Price: €40.93
NGK Spark Plug Iridium IMR 9 D-9H (4888)
High quality at a reasonable price, which is why NGK is the original equipment supplier for so many motorcycle manufacturers.
Corresponds to the Honda 31911-HW1-671 and 31911-HW1-6710-M1
For a technically correct mounting, spark plugs must generally always be mounted with the appropriate torque spanner.
In order to prevent damage to the spark plugs or engine by improper installation, tighten them to the following tolerances:
Aluminium cylinder head = 10-12 Nm
Cast-iron cylinder head = 10-15 Nm