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Author Topic: CB500K clutch plate spec  (Read 979 times)

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Offline thanantos

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CB500K clutch plate spec
« on: July 15, 2011, 05:46:07 AM »
I just checked the friction plates on my recently purchased CB500K (for which I have no history) and they all measure out between 3.30mm and 3.33mm.

Problem is the specs in the manual show 2.6mm with 2.3mm being the low spec.

Is this a problem?
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2009 KLR650
1971/72 Honda CB500

Offline camelman

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Re: CB500K clutch plate spec
« Reply #1 on: July 15, 2011, 06:31:01 PM »
I had an overly thick set in a 350f engine I swapped into my bike. The clutch did not work until I replaced the friction disks with a spare used set I had that were thinner. Does your clutch work?
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1972 350f rider: sold
1972 350f/466f cafe: for sale
1977 CB400f cafe:sold
1975 CB400f rider: sold
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2005 Triumph Sprint ST 1050 rider

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Offline haill

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Re: CB500K clutch plate spec
« Reply #2 on: July 16, 2011, 04:55:40 AM »
in my honda cb500 shop manual printed in 1972 it states the friction disk thickness as 3.3 mm [0.13] and the service limit as 3.0 mm [0.11]

Clutch spring free length as 31.9 mm    Service limit 30.5 mm
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Offline thanantos

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Re: CB500K clutch plate spec
« Reply #3 on: July 16, 2011, 08:38:27 AM »
Unknown if it works right now. I have the r. side cover off and can see 2 to 3mm of movement on the pressure plate.

Glad to hear on the manual. I have no idea why mine says 2.3mm unless they are referring to the grey metal plates in between the clutch plates?
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2009 KLR650
1971/72 Honda CB500
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