Author Topic: Honda cb750 clutch information  (Read 842 times)

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Offline stevena

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Honda cb750 clutch information
« on: June 22, 2016, 03:51:08 PM »
Hey guys I am in dyer need to find carbon friction clutch discs that will fit a stock cb750 clutch basket. Hope to get some answers on where to find some!

Offline oldskullero

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Re: Honda cb750 clutch information
« Reply #1 on: June 24, 2016, 04:45:28 PM »
Are you gonna use it for racing, or street and daily driving only. I can point you to check their mods but let me ask you, is it the sohc or dohc engine.

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Offline PeWe

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Re: Honda cb750 clutch information
« Reply #2 on: June 26, 2016, 05:57:41 AM »
Make sure you order correct model of clutch discs.
The later from 1975-76 got the outer disc with wider ears and different pattern (Clutch basket has wider space for the disc). Older clutch has 7 discs of same model.

Use std clutch with Barnett springs. "Race proven" clutch are reported as sticky. Search the forums and you'll find. I had CycleX that stucked overnight.. I had to rock bike forward-backwards with 2:nd gear in and clutch lever presses until it got loose.

Later: http://www.ebay.com/itm/76-78-HONDA-CB750K6-CB750K7-CB750F2-CLUTCH-FRICTION-PLATE-1145-/161408453864?vxp=mtr&hash=item2594b18ce8
Earlier: http://www.ebay.com/itm/HONDA-CB750K1-CB750K2-CB750K3-CB750K4-CB750K5-SEVEN-CLUTCH-PLATE-SET-CD-1133-/141982017807?vxp=mtr&hash=item210ec9a90f

I use K6 discs as above and so far OK in my +80 rwhp engine. Made in China but has not started to fall in pieces yet. I think that more and more parts are made in China, eben if the label on package is well known.
« Last Edit: June 26, 2016, 06:02:33 AM by PeWe »
CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967