NSS250 Reflex Spark Plugs
From Pvdwiki
Stock
- NGK DPR7EA-9
- Denso X22EPR-U9
Extended High Speed Riding
- NGK DPR8EA-9
- Denso X24EPR-U9
My Choice
Since about 10 miles of my 27 mile commute is WOT at 75mph, I'm going to try running the colder plug option.