SOHC.co.uk Forums > CB500/550

Swing Arm Bushes

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florence:
Yes, mine is CB550K, not sure what number, UK model, manufactured 1974.  It has the grease nipples on the ends of the shaft.

Will the 550 swing arm with 550 shaft fit the 500 frame?

Bryanj:
Physically yes but sme 550 have closed ends where the axle fits for the 4 into 1 exhaust.
Ken is correct about the collars but i have found only the early one with spiral grooves and grease holes at the end is available the one for the single greaser is difficult to find, i also tend to drill and tap the ends of the swingarm bolt to fit standard 6mm grease nipples as the honda ones damage easily and dont let grease through.
Bushes and collars are same on 750 and 500

florence:
great, thanks very much

Oddjob:
It’s actually easier to drill a hole in the SA tube, centrally of course and underneath, then tap it and fit a grease nipple in there. I welded a 6mm nut on mine to avoid any chance of it stripping out. You need to make sure if doing that you make the weld run around the nut with no holes or the grease will pour out of any gap. The other alternative is to fit a CB550k swinging arm on yours ( I think you meant to say yours is a 500 not a 550 btw) the 550 has the open ends to accommodate the 4 into 4 exhausts but has the central grease nipple as well. I’ve bought ones from DM? And they were reasonably cheap and came with the bolt as well. If you’re lucky it will also have a decent collar.

deltarider:
Does any of you know a greaser that will fit my central nipple? https://www.cmsnl.com/honda-cb500k2-general-export_model50441/nipple-grease_9620180000/

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