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CB500/550 / Re: Rear wheel rotation stiffens up when tightening axle problem.
« Last post by Bryanj on Today at 01:22:03 PM »
Last ones i bought was 7 years ago Ted so cant help much
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CB500/550 / Re: Rear wheel rotation stiffens up when tightening axle problem.
« Last post by McCabe-Thiele (Ted) on Today at 12:51:40 PM »
I have filed down the shoes to enable a washer to be fitted under the split pin.

On closer examination of the brake shoes alloy plate there were a couple of what looked like rub marks on the alloy shoes on the outer edges. This was just on the one shoe. I have done some very light filing of the edge  it has reduced the binding substantially when the axel is tightened up.

I am collecting a flap wheel today as well - Bryan -who sells Vesrah brake shoes in the UK?
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CB500/550 / Re: Oil Pressure Switch Intermittent
« Last post by deltarider on Today at 12:47:32 PM »
Quote from: SteveW on Today at 11:55:20 AM
My 550 had the same problem, new switch sorted it.
Usually it's just the switch. Sooner or later they all need replacement.
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Misc / Open / Chrome plater recommendations
« Last post by SteveW on Today at 11:59:58 AM »
Any recommendations for a chrome plater, preferably in the south.

My 550 K0 headlight brackets need doing, so far I’ve been quoted at one place £80 for the pair and £90 each at another place.
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CB500/550 / Re: Oil Pressure Switch Intermittent
« Last post by SteveW on Today at 11:55:20 AM »
My 550 had the same problem, new switch sorted it.
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CB500/550 / Re: Oil Pressure Switch Intermittent
« Last post by Bryanj on Today at 11:21:34 AM »
On the 550 the switch is on the oil pump so after it is main gallery to filter.
I have seen bad primary chain wear on the gallery to filter but not yet one worn through
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CB500/550 / Re: Rear wheel rotation stiffens up when tightening axle problem.
« Last post by Bryanj on Today at 11:19:14 AM »
If it is ok with no shoes fitted and done up tight it cant be bearings or brakeplate.
It is possible that the shoes are too wide, you could put a smear of coloured grease( coppaslip comes to mind) on the edges of the shoes and see if it transfers to hub or brakeplate, i have also had shoes where they dont sit properly on the cam as they are fractionally too wide, you said you had to thin the hole end so leave springs off and see if the flat pads sit asquare on the cam.

We are at the mercy of the manufacturers and suppliers of pattern parts who dont seem to take as much care in manufacture.
When available i always use Vesrah, they seem to be a better maker
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CB500/550 / Re: Rear wheel rotation stiffens up when tightening axle problem.
« Last post by McCabe-Thiele (Ted) on Today at 10:46:07 AM »
The brake binding is not present until I tighten the axle as I increase the tightness the binding starts.
To make sure it was not the bearings  I removed the linings re-fitted the brake hub - all free.

The only thing that really changes when it is tightened up is the inside edges of the brake shoes are closer to the inside of the wheel. There is no sign of any lip on the liner.

Where the liner meets the wheel internals it looks visually good with no sign of any lip. It might be worth doing some very slight sanding on the inside edge of the brake shoes or even a light  shamfer on the outer circumference/edge of the  lining.

I did wonder if I could mark the outer edges with some yellow road chalk and see  where it transfers to.



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CB500/550 / Re: Rear wheel rotation stiffens up when tightening axle problem.
« Last post by Moorey on Today at 10:27:37 AM »
Screwfix certainly do flap wheels
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CB500/550 / Re: Im a diesel idiot !!!!
« Last post by Moorey on Today at 10:17:37 AM »
If its running OK I wouldn't worry about it but if you are drain the tank and add it back a bit at a time over fill ups diluting even further if you don't  want to dump a tank of fuel
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