NGK BR9 EIX Iridium Spark Plug
$16.95Price
Use for 2018-27 125 and 150 cc applications if desert racing or mostly faster riding. Use in 250 cc applications for desert or motocross racing
Less chance of fouling and noticeably snappier throttle response. This is really something you want to add to a 23 -27 300 TBI bike, if most of your riding is faster, and 23-27 250cc TBI bike for singletrack.
2023-25 250cc TBI bike use a 9 heat range plug for motocross or faster riding.

