G'day all flywheel lovers
I am compelled to say something here.
The flywheel is a critical component of small air-cooled engines.
As AVB has found, there are stupid and dangerous repairs to them.
ODK can not endorse balancing methods mentioned here.
From my experience, Manufactures test quality and safety.
Casting faults are super rare.
The vast majority of fractures occur with dodgy after-sale servicing
and home repairs.
We must follow manufacturer instructions!
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Jack