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Topics - Sesman

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CB500/550 / Head lamp mounts
« on: March 31, 2021, 07:38:14 AM »
I was just wondering if their is a recommended replacement for the standard head lamp ears while retaining the standard headlamp. Unfortunately my headlamp ears need considerable restoration work (new indicator stalks...the po sawed them off  :-\), which will delay my build and I’m eager not to lose momentum.

They don’t need to be pretty, just functional.

CB500/550 / Stanchion run out.
« on: March 27, 2021, 06:20:22 PM »
Evening all. Help please...again :-[

I’ve got the stanchions in ‘V’ blocks and I’m measuring total run out in one leg of 2mm and 0.3mm total for t’other leg?

Are these acceptable numbers or will I be doing some business with Mr Philpott?. I can’t seem to find this topic on the forum of in the workshop manual?

CB500/550 / Rear hub
« on: March 26, 2021, 06:51:15 PM »
Ok, novice question of the week.

I presume the drug is incorrect and item 4 is on the wrong side of item 9 and if so does item 21 drive into item 3 or item 4?

The workshop manual is not too helpful on the dust/oil seal location or orientation.

Would welcome some help please.


CB500/550 / Bottom yoke
« on: March 20, 2021, 04:08:05 PM »
Houston I have a problem. :'(

Having assembled my beautifully prepared front end, I think my bottom yoke has a slight twist in the vertical. Basically, with the top yoke in the straight ahead position the right fork leg is kicked forward by about 5mm...possibly more. I know, I know, I should have dry built and checked before moving on.

Do I press on, install the wheels and take it from there or is there a quick and simple way to allay my fears.

My skills, equipment and knowledge are best described as ‘crow-mag on’.

CB500/550 / Taper bearings
« on: March 15, 2021, 08:18:12 AM »
Has anybody used the taper head bearings from DS?. The QMP product includes a spacer, but no instructions. I presume the spacer is used on the lower yoke, under the bearing, but do I also need to use a seal of any kind which is not included in the kit.

I’ve trawled the site, but there doesn’t appear to be any definitive guidance on this specific topic.

If anybody could help I’d be grateful.


CB500/550 / Powder coat and paint
« on: March 13, 2021, 02:34:15 PM »
Just taken delivery of my frame, swing arm, stands, battery box and fork bottoms from Triple S of Bailden. 7 day turnaround and no issues whatsoever.

Absolutely resplendent in satin black. Fork bottoms in brushed satin silver looking like straight out of the factory.

Triple S are bike specialists, but also do other work. I’m really pleased with my items...try them

Photos to follow after the Rugby.

CB500/550 / CB550 strip
« on: March 06, 2021, 04:27:11 PM »
Virgin territory for me. Would appreciate opinions please before I proceed further.


CB500/550 / Wheel hub finish CB550
« on: February 25, 2021, 12:15:13 PM »
Novice needs help.

I’m about to rebuild my F and R wheels and need a little advice on hub finish. I’m thinking satin finish and 2k clear coat. But can anybody recommend a scotch bright wheel type and grade? Or perhaps wet and dry grade?

Or might powder clear coat be a better option?.

I’m trying to present the hubs as standard factory appearance without attempting concours levels of finish.

Any advice greatfully received.

CB500/550 / Oil seal sets and head races
« on: February 15, 2021, 01:20:34 PM »
CB550 F2

Does anybody have experience of the oil seal sets sold by cruzinimage? Just bought a heap of stuff including piston rings, cables etc, but lack confidence with engine stuff and only want to do it once.

Also, what’s the popular opinion on a source for steering head taper bearings? I’ve trawled the site and can’t find anything conclusive.

Thanks in anticipation.

CB500/550 / CB550 F2 Vin Plate
« on: February 07, 2021, 10:12:50 AM »
I’m about to send the frame for powder coat, but would be very grateful for some advice on removal and replacement of the vin plate. Having trawled the site, I presume it’s conventional to drill out the original rivets then replace with new. I can’t see replacement rivets on the DS site though.

Any advice on removal and replacement gratefully received as I’d like to avoid my usual procedure of cocking it up!

CB500/550 / CB550 Frame down tubes
« on: January 14, 2021, 10:40:52 PM »
I’ve just begun a cb550 restoration and started a detailed inspection and record picture session. I have query regarding the down tubes particularly in the area of the male/female socket junction point.

My query is, is it normal to have some flattening of the tubes at this location and just below on the lateral side of the down tube. It seems fairly symmetrical on both tubes!

Any contributions would be gratefully received. Apologies in advance for the photos.


CB500/550 / It’s arrived. At least most of it has...
« on: January 10, 2021, 10:46:32 AM »
Just thought I’d share some January misery and ‘show case’ my classic HOS.

Julie, I’ll be in touch shortly if and when I can extract those carbs.

Happy New Year to all.

CB500/550 / Newbie 550 F2 refurb
« on: January 05, 2021, 02:28:04 PM »
Just taken delivery of my 77 F2. Just having a little weep and then will resume the autopsy.

In the mean time, does anybody recognise this. Its deffo not a F2 seat?

New Member Introductions / Newbie
« on: December 18, 2020, 06:05:23 PM »

Just a short note to introduce myself. I’m a motorcycle lifer, but I’ve never undertaken a restoration before. Anyway, I’ve been seduced by a 1977 CB 550 F2. It’s bit of a heap apparently, so I seek in advance your forgiveness and patience for what will no doubt be a barrage of stupid and naive questions.

Now for the begging, does anybody out there know from where I can source an F2 grab rail (“rear bumper”) in decent nick?



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