Can anyone tell me the dimensions of the o ring that fits on the crankshaft before the collar, or sleeve, that the right side crank seals ride on on my 199A?

 I ordered the parts but didn't get that smaller O ring. I'd like to find one in town before I go out to the shop tomorrow.

Edited September 11, 20196 yr by motovita

Have not got a parts book for the 199A but in the other ones I have (Model 125 onward) that use the same crank seal type are 50mm x 2mm.  The Pursang and Frontera late models are 53mm x 2mm.

7 hours ago, rcgods said:

Have not got a parts book for the 199A but in the other ones I have (Model 125 onward) that use the same crank seal type are 50mm x 2mm.  The Pursang and Frontera late models are 53mm x 2mm.

 Thanks but that's the O ring for the flange. I need the one that slides onto the crankshaft before sliding the collar that the seal rides on onto the crankshaft.

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Looks like 24X1.2mm. Couldn't find one locally, had to reuse the old one.