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XL185 spacer help

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Hi,

Can anyone tell me the ID, OD, and length of the centre spacer (between the 2 bearings) on my 1981 XL185S?

The previous owner seems to have switched it for a different one that was the wrong size and I would like to make a new one.

(If you happen to have one lying around...)

EDIT: The part number is 42620-437-000, any way to decode that into dimensions?

Edited by Adler

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no way to decipher the part number to dimensions. The spacer needs an ID a little bigger than the axle and the OD need to be at least as large as the exposed inner race of the bearing but less than the exposed outer race. The length will be the distance between the two bearings, either by measuring between the two bearings as installed or measuring the distance on the hub between the recesses for the bearings. A dial or digital caliper is good enough for these measurements; Home Depot, Harbor Freight, and ebay sell adequate digital calipers.

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no way to decipher the part number to dimensions. The spacer needs an ID a little bigger than the axle and the OD need to be at least as large as the exposed inner race of the bearing but less than the exposed outer race. The length will be the distance between the two bearings, either by measuring between the two bearings as installed or measuring the distance on the hub between the recesses for the bearings. A dial or digital caliper is good enough for these measurements; Home Depot, Harbor Freight, and ebay sell adequate digital calipers.

Unfortunately the wheel is assembled, so its hard to get measurements, I was hoping to get some dimensions before I tore into it.

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