81 xs650 engine

[rocketoctopus]

hello all wise to all things Xs650.
have an 81xs650 engine that Im having all kinds of issues with.
to get things started Ive noticed that under the ignition unit advance covers I have nothing resembling an ignition unit advance.
Did they make these obsolete?
Should I have one and has mine been removed?
thanks again

 

[weekendrider]

The pickup is .mounted on the stator. Under the round cover of the left side case.

 

[gggGary]

crank timed ignition. TCI unit fires the coils and controls advance.

 

[rocketoctopus]

thanks fellas