Mods & Jetting

[JasonsBanshee]

What mods effect your jettting and what doesn't?

 

Obviously pipes and anything that increases air flow to the intake such as an open air box, vented air box and K&N filters will cause a need for rejetting but does will any of the following cause a need to rejet?

 

Cool head with smaller domes?

Advanced timing?

Porting?

aftermarket reeds such as V force?

 

 

The reason I ask is I just got my new bike and sold the Toomey T6's that came on the bike. Frogger is hooking me up with some new CPI inframes. Other than the pipes and a K&N with open box my bike will be stock for the time being. In the near future I'll be adding a cool head with 20cc domes, advanced timing, V Force reeds and this fall I'll be getting it ported by Kevin Herr. I'm wondering if I'll be rejetting every time I add something to the bike?

[locogato11283]

pipes, air filter, intake, reeds, and porting will all affect jetting noticeably.

 

cool head not so much...

 

timing and increased compression will need to be compensated with by running higher octane fuel.