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I think the universal ignition works I’m not sure though

The poly flywheel saws will run with a universal ignition but not as well as they do with the ignitions specifically made to be compatible with the poly flywheel.

Stihl found out that the poly flywheels "flex" at high speeds and designed the ignitions with a timing curve to compensate for that.

There's a service bulletin on it somewhere.
 
The poly flywheel saws will run with a universal ignition but not as well as they do with the ignitions specifically made to be compatible with the poly flywheel.

Stihl found out that the poly flywheels "flex" at high speeds and designed the ignitions with a timing curve to compensate for that.

There's a service bulletin on it somewhere.
Thank you sir!
 

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