Flywheel Modifications?
#1
Are these modification to this flywheel? Came off a 250R 2 stroke engine.
So, the rusty bottom flywheel is on the motor, the one on top has a bunch of dents in it (came out of the extra parts bin):

Is this pickup shaved down on purpose? Timing? The top one is squared off.

Also, the bottom flywheel on the engine has 6 holes drilled in it:

The top spare flywheel has only 2 holes, and in a complete different place on the wheel:

^ Possibly some sort of balancing method or?
So, the rusty bottom flywheel is on the motor, the one on top has a bunch of dents in it (came out of the extra parts bin):

Is this pickup shaved down on purpose? Timing? The top one is squared off.

Also, the bottom flywheel on the engine has 6 holes drilled in it:

The top spare flywheel has only 2 holes, and in a complete different place on the wheel:

^ Possibly some sort of balancing method or?
#3
Hmm maybe someone will chime in with more info, why are they different you know maybe two different years? I can't imagine the casting mold would be THAT far off on each one to need that presise of a balance.
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