YFZ cam mod

[400-416EX]

I was thinking about doing the yfz cam mod to my 04 yfz but not sure what needs to be done, or what parts i will need to do this. Will I need to rejet? I have heard it is a big improvement. Any help would be greatly appreciated

[K_Fulk]

http://www.powroll.com/PDF/INSTRUCTIONS/CAM/p_y_yfz_cam_REDEGREE.pdf

[400-416EX]

Thanks but i was looking more on the lines of how to do it, not what it does

[K_Fulk]

Put engine at tdc, take off your valve cover, remove your cam chain tensioner then then line do like the picture shows. :macho

[400-416EX]

ok thanks

[drgn_erth]

Check out www.yfzcentral.com go to reviews then click on cam mod.