Cam timing way off?!

[huntb]

So I have a post a few down from here about a chatter when the bike warms up and I was bouncing ideas off of a guy I work with who builds NHRA race cars. We got to talk about timing and to make a long story short I think my cam timing is way off. See the pics below



And this is what the cam sprocket looks like. About an entire tooth off!



How could this have happened? I don't even know where to start in order to fix and and I can only pray I don't have burnt valves. She starts and runs fine and has plenty of power but after about 10-15 minutes of riding the top end starts making all kinds of noise. At least I think it's the top end...

[tkent02]

Turn the crank until the top dead center mark lines up, then look at the cam. You're on the wrong mark.

[huntb]

Does this look any better?

[tkent02]

OK, looks like one tooth off on the exhaust and the 3 on the intake looks like 19 from the 2 on the exhaust?

Move the exhaust by one and the intake will be in the right place?

[huntb]

19 is what is should be according to the manual (and what it is). How would I move them by 1 tooth if the exhaust is still out by one?

Looks like it is retarded by about a 1/2 tooth

[blowerbike]

chain stretch= half pin off...it's fine.........

[huntb]

chain stretch= half pin off...it's fine.........

News I like to hear, thanks