Author Topic: Obscure questions from a noob...Master Cyl Bore & Swing Arm Bushing  (Read 419 times)

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Offline adrianm1972

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I am working on Cafe CB650 Project and I have a few questions I can't find answers to in the searches I have done.

1.  The PO made some changes on my bike.  I need to confirm that my current 5/8" master cylinder will work properly with the 42.8mm single piston caliper I have on my bike.  The searches I have done tell me the hydraulic ratio would not be right.  The MC should be ~12mm to get the right power.




2.  I would like to get brass swing arm bushings but all the p/n cross ref's I look up say the 1981-82 CB650 swing arm uses a unique bushing.  Is this correct.  I have read that they are dimensionally similar to other bikes but a diff p/n due to a change in material.

I just want to make sure I order the right stuff.  I have been caught out a couple times and ended up ordering the wrong parts because the PO had changed to something from another model/year.

Here is my build thread on Do the Ton (prob going to move it here as I am here a lot more often now): http://www.dotheton.com/forum/index.php?topic=34165.0