Author Topic: 400c Rear Master Cylinder Replacement  (Read 245 times)

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Offline Rhino363

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400c Rear Master Cylinder Replacement
« on: April 29, 2021, 01:46:50 AM »
What is everyone using for a replacement rear master cylinder for the 400s. Are there any replacements available or one from another model that can be modified. I tried a rebuild kit but the casting is pitted and it is leaking.
Thanks

Offline rd400greenhorn

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Re: 400c Rear Master Cylinder Replacement
« Reply #1 on: April 29, 2021, 03:17:05 AM »
Not bleeded out yet but I got one from hvccycle
Modern replacement

Offline Rhino363

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Re: 400c Rear Master Cylinder Replacement
« Reply #2 on: April 29, 2021, 03:48:16 AM »
I dont think HVC offers the rear master cylinder any longer. I dont see it on their site anymore.

Offline pidjones

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Re: 400c Rear Master Cylinder Replacement
« Reply #3 on: April 29, 2021, 06:47:20 AM »
I have been looking into Chinabay MCs. I was successful in adapting one to a '79 CB750F. They often have very poor desciptions, so it is difficult to see which might work. If you should go that way, you MUST disassemble it, clean thoroughly and reassemble with brake fluid lubricating the seals. Many come with swarf and dirt inside, but cleaned up work fine.
"Love 'em all.... Let GOD sort 'em out!"

Offline ace787

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Re: 400c Rear Master Cylinder Replacement
« Reply #4 on: April 29, 2021, 07:15:08 AM »
I was gonna us these guys to have it resleaved, but I ordered the rebuild kit from YamBits and it worked.  It comes with a new piston
http://www.karpspb.com/index.htm