1983 Honda CBX 550F Advice

Canadian CBX · L Plate Warrior Joined: 20 Jul 2014 Karma :

Hi everyone, I need help identifying this part that came off my 1983 Honda CBX 550F that I bought a few months ago.

I did a "frame-off" restoration and ended up with a washer or spacer that says "OUT SIDE" on it. I have only half a shop manual and cannot figure out where this washer/spacer is supposed to go.

THe approximate measurements are as follows:

THickness: 4.5mm
Diam (outside): 32.7mm
Diam (inside): 14mm

Any help would be greatly appreciated!
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1983 Honda CBX 550F

Vincent · Banned Joined: 16 Oct 2006 Karma :

My first guess would be from the end of the swingarm but on reflection, it looks too clean and it looks a bit too thick. Just prey it's not a thrust washer from the gearbox Shocked

Definitely looks important though Thumbs Up

https://i77.photobucket.com/albums/j71/Drewskovitch/Jap%2070s%20bike%20toys/Bike%20toys/download_zps1d611906.jpg
https://i77.photobucket.com/albums/j71/Drewskovitch/Jap%2070s%20bike%20toys/Bike%20toys/download_zpsb1c2924e.jpg

You're sure it's not from something else? I've been caught out like that before Embarassed

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Space Is Deep

blurredman · World Chat Champion Joined: 18 Sep 2010 Karma :

Reminds me of a clutch retaining nut washer, though the inside diametre looks quite small for what I presume would be a substantial clutch system for the size of the engine.
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CBT: 12/06/10, Theory: 22/09/10, Module 1: 09/11/10, Module 2: 19/01/11
Past: 1991 Honda CG125BR-J, 1992 (1980) Honda XL125S, 1996 Kawasaki GPZ500S, 1979 MZ TS150.
Current: 1973 MZ ES250/2 - 18k, 1979 Suzuki TS185ER - 10k, 1981 Honda CX500B - 91k, 1987 MZ ETZ250 (295cc) - 40k, 1989 MZ ETZ251 - 51k.

strike750 · Derestricted Danger Joined: 17 Jul 2010 Karma :

dansp1 · Nitrous Nuisance Joined: 07 Jan 2012 Karma :

Front sprocket retaining washer?

Canadian CBX · L Plate Warrior Joined: 20 Jul 2014 Karma :

I didn't take the clutch or engine apart so it rules out the clutch.

The swingarm is definitely a possibility. I cleaned all the nuts, bolts and washers, so it most likely was not this clean when I took it off the bike. I kept everything together so I am pretty confident it's from the Honda.

I'll check the swingarm and give an update! Very Happy

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1983 Honda CBX 550F

Vincent · Banned Joined: 16 Oct 2006 Karma :

Vincent · Banned Joined: 16 Oct 2006 Karma :

Life size:-

https://i77.photobucket.com/albums/j71/Drewskovitch/Jap%2070s%20bike%20toys/Bike%20toys/d3d95771-ceed-4389-9b2e-5eedab1b40c8_zpscf31f8e4.jpg
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Space Is Deep

Teflon-Mike · tl;dr Joined: 01 Jun 2010 Karma :

bypass2 · Spanner Monkey Joined: 12 Sep 2013 Karma :

what about swing arm spindle caps. is the swing arm spindle 14mm diametre

Canadian CBX · L Plate Warrior Joined: 20 Jul 2014 Karma :

The top part of the washer/spacer that is marked "outside" is slightly convex, and the bottom is slightly concave. When I re-assembled the bike I tried to fit the part just about everywhere I thought it would be used. I tried it on the front fork axle, front sprocket, rear swingarm front and back end and no joy. The engine wasn't opened either so it's not from the clutch. Judging by the thickness and shape of the washer it seems to be an important part. Thanks for all the input, hopefully someone will have an answer, meanwhile I will keep looking.
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1983 Honda CBX 550F