hotcam question

[fes999]

if i put my hot cam in my ex do i have to get the head machined in any way?? or do u just drop it in set ur valves and away u go

[BLEEDRED]

Drop it in, set the bike back up, adjust valves, done!

[rooster300ex]

You might have to rejet also. Aftermarket cams are made to flow more so it needs more fuel. I'm sure it would run just fine, but are you really getting any performance gain without rejetting?