How do you guys remove the wheel bearing retainers? - Page 2
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Thread: How do you guys remove the wheel bearing retainers?

  1. #11
    Senior Member 540nova's Avatar
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    When you reinstall, don't worry about staking. Clean threads thoroughly, and use blue Loctite.

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    FrisianWheel and Alan F. like this.

  2. #12
    Senior Member Alan F.'s Avatar
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    I've just read the same tip elsewhere, good call but use it sparingly.

    Before reassembly you can verify the threads are all clean and undamaged by using a bolt with the same thread pitch (M10 oil drain bolt is the same I think)
    Use the bolt's threads to force the soft metal of the bearing retainer threads back into good form, use a small angled file if needed. Clean and check the threads in your hub before new bearings go in.

    Here's a screenshot again from SOHC4 member Evanphi's build thread. (I hope these guys don't mind being quoted)

    "That awkward moment when you end up using advice from an ichiban moto video"
    CB250 Nighthawk projects 92,93,92.
    81 CM400C Sold
    93 CB750 Nighthawk Sold
    73 CB750K3 Long term project stuck in the 'parts collecting stage.'
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  3. #13
    Senior Member FrisianWheel's Avatar
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    Excellent tip, thanks!
    Gunnar

    1972 CB450 K5
    1975 CB500T
    1972 CB450 K5 - in progress

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  5. #14
    Senior Member FrisianWheel's Avatar
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    After almost 3 weeks I've received the two bearing retainer tools and what is the result? Absolutely nothing! Both retainers still sit in the hub as if they are welded into it. I've used the tools with a 1/2" breaker bar extended by steel tube after heating it up. Nothing, absolutely nothing... I'll try again tomorrow but I really don't know what this is. And yes, I've drilled out the stakes... Think I'll have to order new retainers and oil seals and drill that **** out tomorrow. Grrr...
    Gunnar

    1972 CB450 K5
    1975 CB500T
    1972 CB450 K5 - in progress

  6. #15
    Senior Member Alan F.'s Avatar
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    That's my reason for punching 2 new stakes after replacing bearings on this type of wheel. While Loctite works great, there is no way for the next guy to know it's in there.
    "That awkward moment when you end up using advice from an ichiban moto video"
    CB250 Nighthawk projects 92,93,92.
    81 CM400C Sold
    93 CB750 Nighthawk Sold
    73 CB750K3 Long term project stuck in the 'parts collecting stage.'
    Fork Swap info: http://sites.google.com/site/alansdocuments/

  7. #16
    Senior Member 540nova's Avatar
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    Lay it on the side, soak with KROIL. Not PB Blaster, acetone/trans fluid, etc, KROIL. OVERNIGHT. The next day, heat up the hub for several minutes with a good heat gun. I guarantee it'll spin right out.

    Sent from my Pixel 3 XL using Tapatalk

  8. #17
    Senior Member Alan F.'s Avatar
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    Kroil IS a superior product.
    "That awkward moment when you end up using advice from an ichiban moto video"
    CB250 Nighthawk projects 92,93,92.
    81 CM400C Sold
    93 CB750 Nighthawk Sold
    73 CB750K3 Long term project stuck in the 'parts collecting stage.'
    Fork Swap info: http://sites.google.com/site/alansdocuments/

  9. #18
    Senior Member FrisianWheel's Avatar
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    Thanks for the suggestions but it is very difficult to import liquids that contain oils via air freigt to Azerbaijan. Anyway...I've had a second try on the bearing retainers and was at least sucessful on the front wheel retainer and just drilled the other one out. That's done but now I'm having another problem. I really can't get the rear sprocket out. I've tried different approaches to loosen the sprocket from the bolts but no movement at all. Then I saw an (alternative?) part on cmsnl which suggests that there is a rear sprocket which has fixed bolts (Nr. 3 in the picture). Can anyone confirm this? I just want to avoid to damage the dampers with too much heat as they are little pricey with 20 Euros per piece(!). If this is the case and the sprocket has to come out with the fixed bolts, what would be the best option to loosen them? The sprocket is definitely worn and needs a replacment.

    How do you guys remove the wheel bearing retainers?-honda-cb450k5-1972-usa-rear-wheel_bighu0029f6016_6cdc.jpg
    Last edited by FrisianWheel; 04-04-2019 at 12:39 PM.
    Gunnar

    1972 CB450 K5
    1975 CB500T
    1972 CB450 K5 - in progress

  10. #19
    Senior Member Alan F.'s Avatar
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    There's a large snap ring #22 or #23 (can't zoom clearly) that needs to be removed to release the sprocket from the hub. The 4 sprocket studs aren't fixed in place, they slip fit into the rubber dampers.
    These studs have a smooth cylindrical end behind the sprocket with two flats that you can get a wrench on to break the nuts loose.
    How do you guys remove the wheel bearing retainers?-0004731_rear-sprocket-bolt-nut-set-fits-0269-sprockets-trail-bikes-set.jpg
    "That awkward moment when you end up using advice from an ichiban moto video"
    CB250 Nighthawk projects 92,93,92.
    81 CM400C Sold
    93 CB750 Nighthawk Sold
    73 CB750K3 Long term project stuck in the 'parts collecting stage.'
    Fork Swap info: http://sites.google.com/site/alansdocuments/

  11. #20
    Senior Member FrisianWheel's Avatar
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    Quote Originally Posted by Alan F. View Post
    There's a large snap ring #22 or #23 (can't zoom clearly) that needs to be removed to release the sprocket from the hub. The 4 sprocket studs aren't fixed in place, they slip fit into the rubber dampers.
    These studs have a smooth cylindrical end behind the sprocket with two flats that you can get a wrench on to break the nuts loose.
    Click image for larger version. 

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    Yeah, I‘ve seen that little snap ring
    My question was if anyone has ever seen a sprocket with fixed studs as the cms drawing suggests with no 3 (red circle) because my sprocket seems to be one with the studs. If so I really have to think how to get it out.
    Gunnar

    1972 CB450 K5
    1975 CB500T
    1972 CB450 K5 - in progress

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