We took a break last weekend due to lots of activites that had been going on for the past 2 weeks. Therefore, our usual TT session is back this Friday.
my friend is using RXZ mcycle spark plug Denso
(same heat as NGK plug type 7)
on his vr4 engine since it's quite difficlut
for him to find cold type spark plug (type 6 above)
since turbo engine quite hot...
usually...