SOHC.co.uk Forums > CB500/550

Chasing large diameter internal threads

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DomP:
I've got a cb550 rear hub from a member on here but the internal tread on the bearing retainer is a bit damaged a few threads in, I've googled it but can't find a way to clean up the damaged thread other than at a machine shop.  Does anyone have a home workshop method of cleaning it up?

MCTID:
I'd use a good Machine Shop.

Mine was a tight fit with the internal locking ring and as I had a really difficult struggle to dismantle it, I didn't want a future owner to have the same problems.

As the hub was dismantled, the Machinist only cost a few quid and I was much happier when the two parts went back together smoothly.

Bryanj:
Its a LH thread and you can use a thread file

DomP:
Thanks MCTID.

can a thread file be used internally Bryan?

Bryanj:
Well i have done it using the corner of the file, takes time but doable

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