Author Topic: CB550 F2 Clock Cushions  (Read 825 times)

Offline Neilw

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CB550 F2 Clock Cushions
« on: June 17, 2026, 05:07:58 PM »
I'm trying to source some replacement clock cushions for my 1978 CB550 F2 UK.  However, the correct part number - 37235323700 is just too big for my clocks.

A previous owner may have fitted smaller clocks, bracket and, baskets and cushions from another bike, as they all fit together perfectly. I don't want the expense of changing everything, so any idea which CB model has smaller clocks than the CB550, as that is my only guess, so i can get cushions to fit.

BTW, the mileage on the MOT's matches the clock's mileage, so if they were swapped, they were done a while ago.

Offline exvalvesetdabbler

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Re: CB550 F2 Clock Cushions
« Reply #1 on: June 17, 2026, 06:30:17 PM »
CB400f. 87mm as in the image below.

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A lot of the 250, 350, 460 twins used the same casings.

Regards
Dave

Offline Neilw

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Re: CB550 F2 Clock Cushions
« Reply #2 on: June 17, 2026, 07:04:54 PM »
CB400f. 87mm as in the image below.

(Attachment Link)

A lot of the 250, 350, 460 twins used the same casings.

Regards
Dave

Mine are 87mm too. Thank you.

Offline Nurse Julie

  • 1977 CB550/4 Mongrel Brat. 1974 UK 500/4 K1. Honda CD250u.
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Re: CB550 F2 Clock Cushions
« Reply #3 on: June 17, 2026, 07:51:17 PM »
I have stock of OEM clock cushions for the 400 and 500, also the 550F but you've already said the 550 cushions  are too big for your clocks.
LINK TO MY EBAY PAGE. As many of you know already, I give discount and do post at cost to forum members if you PM me direct.
https://www.ebay.co.uk/sch/julies9731/m.html?item=165142672569&rt=nc&_trksid=p2047675.m3561.l2562

LINK TO MY CB400/4 ENGINE STRIP / ASSESSMENT AND REBUILD...NOW COMPLETE
http://www.sohc.co.uk/index.php/topic,14049.msg112691/topicseen.html#new

Offline Neilw

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Re: CB550 F2 Clock Cushions
« Reply #4 on: June 17, 2026, 11:07:47 PM »
I have stock of OEM clock cushions for the 400 and 500, also the 550F but you've already said the 550 cushions  are too big for your clocks.

Brilliant, i'll order some cb400 f ones.

Offline Oddjob

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Re: CB550 F2 Clock Cushions
« Reply #5 on: June 18, 2026, 12:51:26 AM »
I’d imagine that as the 550f has a 19” front wheel and the 400f has an 18” front wheel the speedo will not read true. Plus the F2 got blue faced clocks like the 550K3, the F1 got green faced clocks just for info. So the smaller clocks fitted would imo look out of place and reduce its value if you came to resell. Personally I’d find and fit some genuine F2 clocks, you can find them cheaper sometimes.
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Offline Neilw

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Re: CB550 F2 Clock Cushions
« Reply #6 on: June 18, 2026, 08:15:53 AM »
I’d imagine that as the 550f has a 19” front wheel and the 400f has an 18” front wheel the speedo will not read true. Plus the F2 got blue faced clocks like the 550K3, the F1 got green faced clocks just for info. So the smaller clocks fitted would imo look out of place and reduce its value if you came to resell. Personally I’d find and fit some genuine F2 clocks, you can find them cheaper sometimes.

Thats a good point, I hadn't thought of that.

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