Author Topic: 550 rear cush hub removal  (Read 692 times)

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Offline my name is nobody

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550 rear cush hub removal
« on: March 27, 2017, 07:07:56 AM »
Any tricks to getting cush drive hub loose? I've pryed, beat from inside drum outward, used sprocket
as a slidehammer, all till I'm blue faced to no avail. what am I missing? Am I fighting an internal o ring? Hub/sprocket should just pull out yes? thanks..

Offline calj737

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Re: 550 rear cush hub removal
« Reply #1 on: March 27, 2017, 07:23:47 AM »
Do you have the bearing retainer out? If not, you must drill out the stakes in the 4 places. Then carefully unscrew the retainer. That removes, allowing the cush drive to be pulled out.

Part #3 in the diagram
http://www.cmsnl.com/honda-cb550-k1-four-1975-usa_model466/partslist/F++04.html#results
'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline FridgeRaider

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Re: 550 rear cush hub removal
« Reply #2 on: March 27, 2017, 07:35:37 AM »
Do you have the bearing retainer out? If not, you must drill out the stakes in the 4 places. Then carefully unscrew the retainer. That removes, allowing the cush drive to be pulled out.

Part #3 in the diagram
http://www.cmsnl.com/honda-cb550-k1-four-1975-usa_model466/partslist/F++04.html#results


I had the same problem this weekend. I did exactly as Cal says above but my retainer (K3) was reverse threaded. I had to turn it clockwise to remove. The retainer is accessed by removing the sprocket.

 
1972 CB750K2 Resto-mod (836cc Upgrade) - http://forums.sohc4.net/index.php/topic,161782.0.html

Offline my name is nobody

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Re: 550 rear cush hub removal
« Reply #3 on: March 27, 2017, 08:19:47 AM »
Thanks guys. I'd have been there for a long time otherwise. Definately different than my 750.

Offline calj737

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Re: 550 rear cush hub removal
« Reply #4 on: March 27, 2017, 09:06:31 AM »
Make sure you drill the stakes out deep enough too. When reinstalling, just use some Blue LocTite and call it a day (and some antisieze on the retainer threads).
'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
'73 500 Build http://forums.sohc4.net/index.php?topic=132935.0

"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis