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Author Topic: 1971 CB500 Fork Cap Bolts  (Read 2345 times)

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Offline Skowinski

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1971 CB500 Fork Cap Bolts
« on: October 20, 2013, 11:48:05 AM »
Hi All - the fork cap bolts on the 71 500 (U.S. model if that matters) I'm restoring have pitted chrome plating, so I wanted to replace them.  Found a new set on ebay, part number matches what I found online for this bike (90123-300-000), but the bolts are about 3-4mm longer than what was in there, and they won't screw all the way into the fork leg so that the 0-ring will seal correctly. 

Anyone run into this and have a suggestion for finding the correct ones?

(did a search but didn't find anything, please direct me to a thread if there is one, thanks...)
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Offline Deltarider

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Re: 1971 CB500 Fork Cap Bolts
« Reply #1 on: October 20, 2013, 12:40:24 PM »
First find out what exactly your model is and then check the Parts List.
Differences between the K(0), K1 and K2 are listed here with pictures. I dunno about USmodels though. You'll find the different caps when you scroll all the way down.
http://www.honda4fun.com/home/faq/generali/111-cb500-differenze-k0-k1-k2
« Last Edit: October 20, 2013, 12:42:35 PM by Deltarider »
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Offline bryanj

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Re: 1971 CB500 Fork Cap Bolts
« Reply #2 on: October 21, 2013, 12:02:48 AM »
That part number IS NOT correct for a 71 500 fou, it should be 90123-323-010
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Semi Geriatric ex-Honda mechanic and MOT tester (UK version of annual inspection). Garage full of "projects" mostly 500/4 from pre 73 (no road tax in UK).

Remember "Its always in the last place you look" COURSE IT IS YOU STOP LOOKIN THEN!

Offline Deltarider

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Re: 1971 CB500 Fork Cap Bolts
« Reply #3 on: October 21, 2013, 12:32:27 AM »
Quote
That part number IS NOT correct for a 71 500 fou, it should be 90123-323-010
Bryanj is correct, all American 500s had the 90123-323-010 caps.
The 90123-300-000 caps were on the '76 500K2 [ED, F, G].
« Last Edit: October 21, 2013, 09:45:51 AM by Deltarider »
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Offline Don R

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Re: 1971 CB500 Fork Cap Bolts
« Reply #4 on: October 21, 2013, 08:50:21 PM »
What do his caps fit? 76 500?
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Offline bryanj

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Re: 1971 CB500 Fork Cap Bolts
« Reply #5 on: October 21, 2013, 11:08:40 PM »
300 middle number means originally 750
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Semi Geriatric ex-Honda mechanic and MOT tester (UK version of annual inspection). Garage full of "projects" mostly 500/4 from pre 73 (no road tax in UK).

Remember "Its always in the last place you look" COURSE IT IS YOU STOP LOOKIN THEN!

Offline Don R

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Re: 1971 CB500 Fork Cap Bolts
« Reply #6 on: October 21, 2013, 11:14:24 PM »
Well duh. I shuda caught that.  Sell em to a 750 guy, like me. Get another set for a 500.
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No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline Deltarider

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Re: 1971 CB500 Fork Cap Bolts
« Reply #7 on: October 21, 2013, 11:27:19 PM »
http://www.motogrid.com/pages/OemParts?aribrand=HOM
Here you can enter any part number under Quick Part Search. Then click select model and you'll have an overview. Quite convenient.
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Offline bryanj

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Re: 1971 CB500 Fork Cap Bolts
« Reply #8 on: October 21, 2013, 11:28:51 PM »
-The early 500 ones are not easy to get now as they have the threaded hole for the long damper rod, but all you have to do is drill and tap the later ones so you can screw in the rod. DO NOT be tempted to run without the rod screwed in as should you lift the bike high enough the fork sliders can fall off the forks!!!
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Semi Geriatric ex-Honda mechanic and MOT tester (UK version of annual inspection). Garage full of "projects" mostly 500/4 from pre 73 (no road tax in UK).

Remember "Its always in the last place you look" COURSE IT IS YOU STOP LOOKIN THEN!

Offline Skowinski

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Re: 1971 CB500 Fork Cap Bolts
« Reply #9 on: November 02, 2013, 12:58:05 PM »
Thanks much guys!  If anyone wants these I have, they are new... pm me.
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