NGK Spark Plug BR8ECM
0.7 mm
NGK CR8EK or NGK CR8EiX (Iridium)
NGK CR9EKB 05 NGK CR9EKB 05
bad plug bad plug cap stator
I have a 07 KTM 525 XCW and the manual call for 6mm on plug gap.
br10ecmix
0.60mm
NGK BR8ECM
You didn't specify what size but most dirt bikes will run a gap of 0.5-0.6 mm.
We use the nkg br9eix
NGK BR8HS with a .032" (0.8mm) gap