550 front mudguard

[Murf]

Hi can anyone tell me why there are so many anti vibration rubber grommets on the front mudguard/fender of the 550, and if they strictly necessary. Looking at the parts books it seems that the 500 did not have them.
Thanks
I ask the question as I am just putting the mudguard back on the bike and of course the original anti vibe washers are knackered. New one are around £5 each from DS which seems steep and I am struggling to find any other replacement ones.  I did get some on eBay but they were too thick and my plan the trim them down did not go well.
They are the same as the chain case ones and are called chain case washers in the parts manual.

[AshimotoK0]

If they are like the ones on the UK CB250K0 ..I made a 3d printed mould and cast some in black polyurethane.

These are the Honda originals and yea they are bl**dy expensive NOS if you can find 'em.


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If it's these 40513-310-000 they are £3.13 inc VAT from D.S.