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Correct Primary Chain

Clutch, Transmission, Drive Chain, Sprockets
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Greggie-e
honda305.com Member
Posts: 148
Joined: Fri Sep 05, 2008 5:21 am
Location: Perth Western Australia

Correct Primary Chain

Post by Greggie-e » Tue Jul 16, 2019 9:29 pm

Hi,
I came across a primary chain on eBay with the description
Up for Bids is a NOS Primary Chain Honda CB350 CM400 CM450 CB72 CL350 CB400 1974-1978 XL350 40530-356-305 RK50 102 Link O-Ring Moto Chain
and bought it as I need a new one for my cb72.
However after reading about the primary chain of the cb72 and cb77 they seem to be hard to get and an odd size.
So unless all these other models also have hard to get primary chains then it would appear that this one is incorrect??

I haven't received it yet but have the distinct feeling that this is going to be wrong...

rrietman
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Posts: 560
Joined: Mon Oct 13, 2008 6:45 pm
Location: bellingham wa.

Post by rrietman » Tue Jul 16, 2019 11:34 pm

most of the bikes listed in your fitmint list don't even have primary chains, the clutches are gear driven. pretty sure what you are getting is a rear drive chain.
Good luck
Randy

Greggie-e
honda305.com Member
Posts: 148
Joined: Fri Sep 05, 2008 5:21 am
Location: Perth Western Australia

Post by Greggie-e » Wed Jul 17, 2019 12:37 am

Thanks Randy I fear you are correct

regards,
Greg

Greggie-e
honda305.com Member
Posts: 148
Joined: Fri Sep 05, 2008 5:21 am
Location: Perth Western Australia

Post by Greggie-e » Wed Jul 17, 2019 3:10 am

I found one in Thailand, looks to be the right one, but it's described as a clutch chain....

Honda Model C70 C71 C72 C75 C76 C77 C78 CA72 CA77 CB72 CB77 CL72 CL77 CS71 CS72 CS76. That 's new old stock RK TAKASAGO JAPAN for HONDA genuine parts Made in Japan P/N 23120-268-000

The part number looks right at least.

DJM
honda305.com Member
Posts: 471
Joined: Thu Oct 09, 2003 1:54 pm
Location: Chesterfield UK

Primary chain.

Post by DJM » Wed Jul 17, 2019 10:57 am

Part number is correct, OEM chains came from several different manufactures each of which put there own name on the sideplates.

Pretty sure I have an old chain somewhere with RK on it so the claim that tHis chain is OEM looks sound.

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Tim Allman
honda305.com Member
Posts: 327
Joined: Tue Dec 02, 2014 9:25 am
Location: Guelph, Ontario, Canada

Post by Tim Allman » Thu Jul 18, 2019 10:40 am

I purchased a Tagasago chain from Thailand a couple of years ago. I have yet to fire the engine it went into but it appeared fine and fit well. The plates ate a bit thinner than the old one but my motorcycle advisor thought that this might just reflect the strength of the steel, stronger in the new one than the old.

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