SOHC.co.uk Forums > CB500/550
Whats the correct sidestand?
Oddjob:
Metal fatigue though isn't the same as a piece of metal that's just bent, it may change the structure but I doubt it would weaken it.
If that was the case we couldn't really recycle metal.
deltarider:
It's not the same, I'm afraid. Bent metal and then bending it back, will weaken it. My RH side peg support has been slightly bent ever since a drop in the 80s, just slightly. For cosmetic reasons I wanted to straighten it again. My mechanic back then advised me not to, after I told him I have the habit to stand on the pegs to control my bike in terrain.
Oddjob:
So what about welding parts, are they weakened? If no heat was applied I'd agree it could weaken the part but with heat it allows the metal to be reshaped without significantly weakening it. Maybe the mechanic thought you meant just hitting it straight again.
K2-K6:
--- Quote from: deltarider on August 08, 2022, 07:22:19 PM ---It's not the same, I'm afraid. Bent metal and then bending it back, will weaken it. My RH side peg support has been slightly bent ever since a drop in the 80s, just slightly. For cosmetic reasons I wanted to straighten it again. My mechanic back then advised me not to, after I told him I have the habit to stand on the pegs to control my bike in terrain.
--- End quote ---
Well, I'm afraid I can tell you that with a good degree of certainty (although not being great at studying probability) that both you and your mechanic are likely to be entirely wrong.
That would depend on the ultimate metallurgical combination of the steel used, but none of these components are routinely made of heat treatable steel. This makes them relatively insensitive to a heat cycle that would be used in both welding and same for heating the stand to return it to original shape by bending.
Oddjob is correct in how to reshape it, if clamped firmly in a vice across the flat parts of the clevis such that it's not possible to deform that bit, a big ring spanner can be used to gently bend it back while red hot.
Oddjob:
You give me far too much credit, I meant just beating the crap out of it with a bloody big hammer 😁😁😁
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