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Author Topic: 1981 CB650 Standard vs. Custom wheels  (Read 1829 times)

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Offline Calaya

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1981 CB650 Standard vs. Custom wheels
« on: March 13, 2017, 08:20:59 AM »
As part of the ongoing rebuild, we're thinking of swapping out the (severely rusted) spoke wheels for the Comstar wheels but have a few questions:

1) Can you use the Standard parts on the Comstar wheels, for example:  Rotor, sprocket, speedo gear drive housing, rear brake drum housing, rear wheel dampers?
2) The manual indicates there is a front wheel hub cover (single disk brake) but the wheels that I'm able to find out there don't seem include one.  Is this critical?
3)  Any other concerns that I should have with doing this swap?
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Offline irish44395

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Re: 1981 CB650 Standard vs. Custom wheels
« Reply #1 on: March 13, 2017, 03:43:05 PM »
I have a clymer  79 to 82 650 four's  it looks like the  the single disk is the same on both wheels (spoke or comstar)
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Offline Calaya

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Re: 1981 CB650 Standard vs. Custom wheels
« Reply #2 on: March 14, 2017, 05:05:30 PM »
Thanks for the image.  I looked at the manual and noticed that too, but it doesn't specify whether a different rotor, chain, brake drum hub, sprocket, etc. is needed.  All of those things on my Standard are fine so I hope to re-use them.
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Offline JimJamerino

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Re: 1981 CB650 Standard vs. Custom wheels
« Reply #3 on: March 15, 2017, 07:43:42 AM »
I believe in 81 the CB650 switched to a leading axle... I have a 1980 Standard and a 1980 Custom, and they both have the front axle attached under the fork. I don't know if the 79-80 and 81-82 axles are the same, so if you're switching rims from different years, make sure the axles play well with your fork/swingarm. As far as I know the other parts are plug-and-play. If you happen to have a parts manual or fiche, maybe compare part numbers?
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Offline sinister902

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Re: 1981 CB650 Standard vs. Custom wheels
« Reply #4 on: March 15, 2017, 09:11:30 AM »
if you switch out to comstars I'd have interest in the hub from the spoke wheel if you want to cut all the spokes and sell just the hub....
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Offline cb650

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Re: 1981 CB650 Standard vs. Custom wheels
« Reply #5 on: March 15, 2017, 11:53:43 AM »
only the 81 custom and 82 nitehawk got the leading axle.  And wider triple trees for the dual disks.   It should all bolt into a standard no problem.   
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Offline Calaya

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Re: 1981 CB650 Standard vs. Custom wheels
« Reply #6 on: March 16, 2017, 12:29:32 PM »
Ahhh ... that's right!  The hub has the holes for the spokes so maybe I'll need a new hub for the Comstar wheel?!  If I do, you can have the Standard hub. I'll send you pics and we can discuss shipping once I know for certain.
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Offline Calaya

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Re: 1981 CB650 Standard vs. Custom wheels
« Reply #7 on: March 16, 2017, 12:30:56 PM »
I'm trying to get rims from the same year: 1981, to help ensure fitment.   Thanks for those details, though.  The more info/suggestions, the better.
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Offline SOHC4 Cafe Racer Fan

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Re: 1981 CB650 Standard vs. Custom wheels
« Reply #8 on: March 16, 2017, 02:08:33 PM »
Quote from: Calaya on March 16, 2017, 12:29:32 PM
Ahhh ... that's right!  The hub has the holes for the spokes so maybe I'll need a new hub for the Comstar wheel?!  If I do, you can have the Standard hub. I'll send you pics and we can discuss shipping once I know for certain.

The Comstar is all one integrated piece -- hub, 5-spokes and rim.
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Offline sinister902

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Re: 1981 CB650 Standard vs. Custom wheels
« Reply #9 on: March 17, 2017, 06:42:21 AM »
I actually may have a comstar spare wheel, I'll check tomorrow.
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Offline sinister902

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Re: 1981 CB650 Standard vs. Custom wheels
« Reply #10 on: March 22, 2017, 05:21:13 AM »


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