Different coils

[MitchMotors]

I'm wondering if there are other coils that will work.
Does anbody know if for example the XS650 coils work for the XS 400 2A2?

 

[xschris]

If you are using points in you xs400 a xs650 single 4ohm coil will work. The later xs650's tci coil with dual leads will not.