SOHC.co.uk Forums > CB500/550

Sideways play in swing arm.

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SteveW:
Got a small amount of sideways movement in my swing arm.

Do I just need new bushes or is there anything else I need as well?

And is it just drift old bushes out and fit new ones?

Thanks.

AshimotoK0:

--- Quote from: SteveW on August 19, 2020, 03:47:33 PM ---Got a small amount of sideways movement in my swing arm.

Do I just need new bushes or is there anything else I need as well?

And is it just drift old bushes out and fit new ones?

Thanks.

--- End quote ---

In my experience the collar wears too even though you would expect the bushes to wear in preference. Collars are very expensive. Some bushes are plastic some are steel depending on model. Trigger/Julie  sells repro bronze ones I think.

MrDavo:
If its just sideways play and not twisty play, then surely the right size thin washer, if you could find it, could fix it?

I guess to keep chain line problems at bay, a thinner one either side of the swinging arm would be even better.

Just a thought, a real engineer will be along soon to tell me I'm being stupid.

AshimotoK0:
I think your bike is a 550K0 yea? If it is the original setup  will have the phenolic plastic bushes at the end ... a carry over from the CB450 then 750 design. These may be damaged/worn if it is just sideways play. The aftermarket bronze ones does away with these as they are a top hat shape.

Bryanj:
Originally there is a bush, felt ring,plastic thrust and steel cup washer all held in by tightening the through bolt.
If everything is there try tightening the nut on through bolt which needs to be very tight.
If the bushes are worn you WILL need a new collar (about $100) if you fit the top hat brass you wont need the felt or plastic thrust but you do need the steel cup washer

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