Reply To: 1957 Big Twin Flywheel Cracks

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July 22, 2020 at 11:40 am #209438
frankr
Participant

    The way I read it. Cracks on pre-’59 (no Q) are a concern. After ’59 (with Q), cracks are only in the skin.

    BTW,, I’ve seen early ones pulled right off the hub. O course, I assume it was already broken.