SOHC.co.uk Forums > CB350/400

Bleeding brakes

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Triumphant59:
Just renewed brake system on my 400f; new slave piston and seal, 3 new brake pipes and replaced master cylinder piston cw new seals fitted correctly, the old master cylinder wasn't pitted. I have filled res, opened bleed screw and pumped lever expecting level in res to go down and nothing happens, just a few bubbles coming from the holes in bottom of res! Any ideas

petermigreen:
Make sure the smaller return hole in the bottom of the reservoir is clear. It's tiny and you may need to pass a very thin wire or pin head or even better carb cleaning tool through it. If it's blocked the system won't work.
Good luck.
Peter

Triumphant59:
Sorted, thank you Peter. I have to say this forum is brilliant!!!

petermigreen:
Result

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