Older (box style) rear master cylinder rebuild

Energy One

bsauer

Member
In case anyone needed to know, I just rebuilt the rear master cyl on my 03 chopper, it has the box style master cyl, and rather than the 5/8" wheel cylinder cup used in the newer models, it needs the 3/4" cup. I picked up oring, cup and snap ring for $3 at Napa.

Cup:
NAPA AUTO PARTS

Snap ring(best I recall):

NAPA AUTO PARTS

and the oring thay just sized.

Hopefully this will be helpful to someone down the road.
 
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