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Working on an old Yamaha twin or single?

If the front brake is feeling spongy or leaking, the master cylinder probably needs some attention.

This is a rebuild kit from K&L Supply, a solid name in vintage bike parts.

It's got all the guts you need—piston, seals, spring, the works—to freshen up your front master cylinder.

It crosses to a bunch of OEM numbers like 535-W0041-60-00 and aftermarket numbers like 232-4008.

Fits a ton of the old XS and SR models.

Please do double-check the notes to make sure it matches your specific bike, but if it fits, it's the perfect kit to get that brake working like new again.

4.5 out of 5