RT225 - 30mm PHBH - Expansion Exhaust

HI All,
I'm looking for some info regarding the jetting on a RT225, 30mm PHBH and an expansion exhaust?
I've got an M-Tech fitted and the timing starts at 23' and full rpm approximately 16 degrees.
I'm looking for some info regarding the jetting on a RT225, 30mm PHBH and an expansion exhaust?
I've got an M-Tech fitted and the timing starts at 23' and full rpm approximately 16 degrees.