Rear Master Rebuild? 2004 SM450R

Hi everyone,

As you all know, Coffee (Dean) passed away a couple of years ago. I am Dean's ex-wife's husband and happen to have spent my career in tech. Over the years, I occasionally helped Dean with various tech issues.

When he passed, I worked with his kids to gather the necessary credentials to keep this site running. Since then (and for however long they worked with Coffee), Woodschick and Dirtdame have been maintaining the site and covering the costs. Without their hard work and financial support, CafeHusky would have been lost.

Over the past couple of weeks, I’ve been working to migrate the site to a free cloud compute instance so that Woodschick and Dirtdame no longer have to fund it. At the same time, I’ve updated the site to a current version of XenForo (the discussion software it runs on). The previous version was outdated and no longer supported.

Unfortunately, the new software version doesn’t support importing the old site’s styles, so for now, you’ll see the XenForo default style. This may change over time.

Coffee didn’t document the work he did on the site, so I’ve been digging through the old setup to understand how everything was running. There may still be things I’ve missed. One known issue is that email functionality is not yet working on the new site, but I hope to resolve this over time.

Thanks for your patience and support!

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Husqvarna

Jun 8, 2017

Hello, I recently picked up a 450 SMR and have encountered some problems with the brakes locking up. I was able to find a rebuild kit for the front master cylinder, but I am having trouble finding one for the rear. It's a Brembo unit, part number 800076338. This seems to have been used on the TE's from the same vintage.
I'm confident the master cylinder is not allowing fluid return, because if I relieve the pressure in the line, the caliper returns.
Any help or suggestions is appreciated.

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