Ignition Coil, Yamaha G16/G20/G21/G22 Gas

NOTE: A resistor spark plug is required for proper operation with these ignitors.

Failure to use a resistor spark plug may prevent a vehicle from starting, cause rough idling, misfiring, backfiring and abnormal combustion. The failure to use a resistor spark plug may also cause damage to this ignitor and will void the warranty on this unit.