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Strange shock piston RM80

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Here's the pic of the piston with it's broken o-ring which was around the psiton as a piston band.

It's out of a RM80 99-00 (imho96-01 should be the same though)

anybody has an idea what piston this is? imho it's not the standard one.

Now i'm looking for either the correct piston band or a new/used piston.

OD is 32mm, ID is 10mm, rod OD is 12.5mm

Any ideas, gentlemen?

kolben1.jpg

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oringw.jpg

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OD is 32mm, ID is 10mm, rod OD is 12.5mm

whats the OD of the piston groove (ID piston band)?

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Is it Showa or KYB? I have seen that kind of piston in -81 125 RM shock (KYB).

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whats the OD of the piston groove (ID piston band)?

the inner dia is 28mm, the second 'ring' is 31mm and od is 32mm

@Jusa it's a Showa

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the inner dia is 28mm, the second 'ring' is 31mm and od is 32mm

so a piston band used in the inner groove has to be 2mm thick.

if you are interested in an open piston band (not a ring), I have one, 10mm width.

just let me know...

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