Reply To: Spark plug type – GV125 S EFi Apr 21, 2024 at 4:19 PM #13035 NorthmanParticipant What’s wrong with the Iridium IX? it’s because of OEM wiring? One of my friends has the iridium IX on his yamaha and hasn’t changed them in 40,000km, they work perfectly Apr 21, 2024 at 4:19 PM #13035 NorthmanParticipant What’s wrong with the Iridium IX? it’s because of OEM wiring? One of my friends has the iridium IX on his yamaha and hasn’t changed them in 40,000km, they work perfectly
