![](/images/threads/icons/0.png)
never rely on the chain.
NEVER EVER EVR RELY ON the chain marks.
During assembly you will never know if the chain has jumped the lower sprocket.
Alwyas stick a dial guage in the bore, rotate the cran t osecond timing makr, then adjust a few degrees either side. to get 100% TDC.
The set cams relative to the head.
NEVER EVER EVR RELY ON the chain marks.
During assembly you will never know if the chain has jumped the lower sprocket.
Alwyas stick a dial guage in the bore, rotate the cran t osecond timing makr, then adjust a few degrees either side. to get 100% TDC.
The set cams relative to the head.
![](http://i10.photobucket.com/albums/a108/dkm_87/CamPulley_resize.jpg)