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Author Topic: CB550F Speedo Drive  (Read 3194 times)

Offline DougP

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CB550F Speedo Drive
« on: June 19, 2023, 12:35:06 PM »
Hello all,

Does anyone know what part number oil seal is used in the speedo drive?

Cheers,
Doug
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Offline McCabe-Thiele (Ted)

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Re: CB550F Speedo Drive
« Reply #1 on: June 19, 2023, 01:06:19 PM »
Quote from: DougP on June 19, 2023, 12:35:06 PM
Hello all,

Does anyone know what part number oil seal is used in the speedo drive?

Cheers,
Doug

Is it the oil seal inside the cable connector shaft you are after or the one inside the hub?

Parts books for the 550 are in Aladdins Cave that are free to dowload.
« Last Edit: June 19, 2023, 01:16:04 PM by McCabe-Thiele (Ted) »
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Honda CB400NA Superdream (current money puddle)
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 McCabe-Thiele (Ted)

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Re: CB550F Speedo Drive
« Reply #2 on: June 19, 2023, 02:06:47 PM »
Someone here will need to confirm the 550 is the same Speedo drive hub as the 500.
On my 500 the seals were: 15x4.8x4 for the cable end.
Hub seal was 34x48x7 a double lipped seal iirs R23/TC.
Both seals available on e bay or similar.
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Honda CB400NA Superdream (current money puddle)
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: CB550F Speedo Drive
« Reply #3 on: June 19, 2023, 02:26:00 PM »
Same drive, same seals.
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Offline mickwinf

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Re: CB550F Speedo Drive
« Reply #4 on: June 19, 2023, 04:09:19 PM »
The smaller one i just got off ebay quite cheap. https://www.ebay.co.uk/itm/392573565762
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Love the 500 and 550 have a 500 called Lazarus under restoration

Offline DougP

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Re: CB550F Speedo Drive
« Reply #5 on: June 20, 2023, 10:00:57 AM »
Well I think I may as well replace both while it’s on the bench.

The parts manual doesn’t break down the speedo drive assy.

Thanks for the responses guy’s.
« Last Edit: June 20, 2023, 10:04:26 AM by DougP »
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Offline Oddjob

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Re: CB550F Speedo Drive
« Reply #6 on: June 20, 2023, 02:13:18 PM »
Not sure if you've already dismantled it Doug but if not use a really good screwdriver on the grub screw or it will round off. A little heat might not go astray either if it refuses to move.
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Kids in a the back seat cause accidents.
Accidents in the back seat cause kids.

Offline DougP

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Re: CB550F Speedo Drive
« Reply #7 on: June 20, 2023, 10:54:33 PM »
Quote from: Oddjob on June 20, 2023, 02:13:18 PM
Not sure if you've already dismantled it Doug but if not use a really good screwdriver on the grub screw or it will round off. A little heat might not go astray either if it refuses to move.

Will do. Thanks.
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