SOHC.co.uk Forums > CB350/400

Rear Brake Actuating Arm

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rbt1548:
Thanks guys for your replies, to answer the questions above,

There is definitely no dot on the brake arm, it looks to me as if it's a new arm, going by the chrome.

There are definitely dots on the brake pedal and brake pedal spindle and the main spring is on correctly.

From K-2-K6' Also, there's usually some splines not formed on the spindle to give very limited range of choice in fitting, normally one spline move in each direction from it's "central" home position.

That should give you a default if lacking any other indicators,  central with a spare spline in each direction once fitted.

That's exactly it, there is a raised flat bit between the splines onto which the wear indicator cup fits and the brake lever gap fits directly onto that with, as you say a limited spline movement on either side, I should have spent some time figuring it out rather than thinking it might be difficult finding the correct position without a dot, but we got there in the end, so thanks very much guys.

The cam spindle was as dry as a, well you get the idea!, a quick strip down, clean of it and the backplate, a regrease and it is working freely, I also discovered both wheel spindles were dry so have greased both, also, the rubber washer that is meant to be a cushion between the torque arm and the brake plate was a bit of hard plastic on the outside of the torque arm, that has been replaced by a rubber washer between the arm and brakeplate. I am sure I'll find a few more things as I go along, don't we just love finding all these things on 40 year old bikes?? ::) ::)

Anyway onto the next bit!

Cheers!

Bryanj:
Wouldnt be the first time if a spline had been filed out of the arm to get more movement and use up the last of the brake shoe lining!

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