stihl 066 duel key flywheel what key do i use

[jpmorc60]

needed a fly wheel for an early 066 small crank, picked up a metal one has two keyways I an using a ms660 coil what keyway do i use. Thanks Fred

 

[Marine5068]

Two keyways meaning it has "dual" ones of these?
I get the question, but you may have to talk to a rebuilder or call stihl dealer to talk with their small engine repair guy there. Some pics of it would be useful as well.

 

[ATH]

Try here