Author Topic: Rear Chain Adjusters - am I being too fussy?  (Read 902 times)

Offline McCabe-Thiele (Ted)

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Rear Chain Adjusters - am I being too fussy?
« on: November 15, 2023, 08:14:28 PM »
It's been nagging me for a while that my chromed rear chain adjusters are not a pair the chrome - is acceptable on both.

One has what I would describe as a threaded welded inside boss, the other is like a captive nut.  Knowing my luck if I buy a replacement it will be something that matches neither.

p/n 95014-19000 £12.58 plus post at DS shown as Genuine Part on the 500 page.
 
Honda CB500 K1 (second money pit)
https://www.sohc.co.uk/index.php/topic,28541.0.html
Honda CB400 four super sport (first money pit)
Link to my full restoration http://www.sohc.co.uk/index.php/topic,23291.0.html
This is a neat 500 restoration in the USA.
http://forums.sohc4.net/index.php/topic,151576.msg1731556.html#msg1731556

Offline Oddjob

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Re: Rear Chain Adjusters - am I being too fussy?
« Reply #1 on: November 15, 2023, 09:47:08 PM »
Post a pic of them Ted. 95014-19000 is what they are supposed to look like. The 550 ones are different.
Kids in a the back seat cause accidents.
Accidents in the back seat cause kids.

Offline McCabe-Thiele (Ted)

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Re: Rear Chain Adjusters - am I being too fussy?
« Reply #2 on: November 16, 2023, 04:34:35 PM »
These are mine:-

.left tensioner by Macabe Thiele, on Flickr

.right tensioner by Macabe Thiele, on Flickr
Honda CB500 K1 (second money pit)
https://www.sohc.co.uk/index.php/topic,28541.0.html
Honda CB400 four super sport (first money pit)
Link to my full restoration http://www.sohc.co.uk/index.php/topic,23291.0.html
This is a neat 500 restoration in the USA.
http://forums.sohc4.net/index.php/topic,151576.msg1731556.html#msg1731556

Offline Johnny4428

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Re: Rear Chain Adjusters - am I being too fussy?
« Reply #3 on: November 16, 2023, 05:29:47 PM »
Never seen them with the threaded part outside the bracket, not as strong!
1952 Cymoto on Triumph bicycle.
1961 Matchless G3
1974 Honda CB550K1. Undergoing restoration
1978 Honda CB550K3.
1999 ST1100 Pan European 50th Anniversary.
1975,1980,1984,1986 Honda C90’s
1973 Honda CB750K3
1977 Honda CB550 (almost)

Offline Oddjob

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Re: Rear Chain Adjusters - am I being too fussy?
« Reply #4 on: November 16, 2023, 05:55:48 PM »
Actually the part number on CMS shows the lower pic as it does on DS as well.

My 500 however has the 2 upper ones fitted and they've been fitted since it was new. I also have 2 NOS from DS still sealed in the bags, I'll see what type they are later tonight.

I prefer the upper type myself, the nut tightening on them doesn't damage the chrome as much IMO plus less of a rust trap like the lower pic when water gets down the gap between the captive nut and the bracket. Plus you get more forward adjustment with the upper. Maybe do a test Ted and see if the lower adjuster will allow the spindle to go all the way forward in the slot in the swinging arm.

I bought 2 stainless steel blocks for that part Ted, the part which goes inside the slot in the swinging arm which the bolt tightens down on.
« Last Edit: November 16, 2023, 05:57:56 PM by Oddjob »
Kids in a the back seat cause accidents.
Accidents in the back seat cause kids.

Offline Johnny4428

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Re: Rear Chain Adjusters - am I being too fussy?
« Reply #5 on: November 16, 2023, 06:20:43 PM »
That’s an education for me once again Ken, never come accross them. Must have been a reason for changing unless different supplier?
1952 Cymoto on Triumph bicycle.
1961 Matchless G3
1974 Honda CB550K1. Undergoing restoration
1978 Honda CB550K3.
1999 ST1100 Pan European 50th Anniversary.
1975,1980,1984,1986 Honda C90’s
1973 Honda CB750K3
1977 Honda CB550 (almost)

Offline Oddjob

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Re: Rear Chain Adjusters - am I being too fussy?
« Reply #6 on: November 16, 2023, 08:02:17 PM »
Probably a different supplier Johnny.

Just looked at the 2 NOS ones and they are the internal locknut type, saying that they are clearly made after the initial stock had been exhausted. New type label on the bag, not the small part label inside the bag like they would have been if they'd been produced during the 70s.

I think Honda did another production run back in the 80s and all the labels changed to a more modern design, I think they would have tried to use the same manufacturers of the original parts but weren't always able to do that, hence why these are slightly different. They also made another run of the 4 into 4 exhaust systems but retained the 374 design with the printing on the back to comply with the USA market
Kids in a the back seat cause accidents.
Accidents in the back seat cause kids.

Offline McCabe-Thiele (Ted)

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Re: Rear Chain Adjusters - am I being too fussy?
« Reply #7 on: November 16, 2023, 10:54:43 PM »
Okay so mine are both good, I'll check the slot mark is the same & stick with them unless that is different.
Honda CB500 K1 (second money pit)
https://www.sohc.co.uk/index.php/topic,28541.0.html
Honda CB400 four super sport (first money pit)
Link to my full restoration http://www.sohc.co.uk/index.php/topic,23291.0.html
This is a neat 500 restoration in the USA.
http://forums.sohc4.net/index.php/topic,151576.msg1731556.html#msg1731556

Offline Bryanj

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Re: Rear Chain Adjusters - am I being too fussy?
« Reply #8 on: November 16, 2023, 11:54:47 PM »
Honda actualy say do not rely on the marks each side of the swingarm, only that they are the same spacing both sides

Offline Oddjob

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Re: Rear Chain Adjusters - am I being too fussy?
« Reply #9 on: November 17, 2023, 12:05:47 AM »
And yet they say to check that both marks are aligned in the workshop manual Bryan. I must admit to normally using them, once I've confirmed they are accurate of course.
Kids in a the back seat cause accidents.
Accidents in the back seat cause kids.

 

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