SOHC.co.uk Forums > CB350/400

Did the machine shop wreck my hub? (now with working pics, hopefully)

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Winterfield:
So I was struggling to get the rear wheel dampers out of the hub, as well as the bolts themselves, so rather than risk destroying the hub I handed it over to a local tuning and machine shop here in Edinburgh.

They were able to remove the bushings, but to do so they drilled into the hub from the back to get them out.

Have they ruined my hub? They assured me that it won't have affected the structure/performance.

taysidedragon:
I think they have. That shouldn't be necessary because a proper machine shop would be able to get them out without drilling through. It's possible to burn the rubber out and chisel/split the metal sleeve without damaging the hub.

Winterfield:
That's what I thought. I could have ruined the hub myself and saved £50.

Any chance of repair?

Trigger:
Take it back to the machine shop and tell them to alloy repair the holes that they have made and tell them to skim the drum liner while they are at it  ;)


Just pulled a hub out of stock and though what they have done is not very professional, you can get away with those holes. You could insert the new bushes and apply some plastic weld to the inner hub.


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Winterfield:
Thanks Trigger.

I have no intention of going back to that shop for any work, paid or unpaid. I had a bunch of other stuff I was going to ask them to do, but I'll show my opinion with my wallet.

My main concern is of the structural weakness of the hub caused by the holes. If it's unlikely to be a concern, I'll find someone to repair the holes and press on with these hubs.

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