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Topics - oldboy

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1
CB500/550 / Camshaft lubrication
« on: June 19, 2022, 08:09:52 PM »
Having discovered a slight oil leak between the fins on my 500, I've taken the cam cover off to replace the 6 rubber sealing grommets as I suspect they are the culprits. Looking at cylinders 1&4 the cams run in an oil bath without drain holes, however cylinders 2&3 the oil bath has drain hole, so until the oil pressure comes up they are effectively running almost dry for a few seconds, until the oil bath fills up. I vaguely remember seeing a photo of two cylinder heads some time ago, one with drain holes and the other without. Would it be advisable/ beneficial  to tap a thread in the drain holes and put a screw in blocking the drain hole so the oil bath fills as cylinders 1&4 and letting the oil drain back down through the cam chain tunnel. ???     

2
CB500/550 / Rear shocks
« on: April 24, 2022, 08:39:20 PM »
What is the general consensus on the best rear shock to fit to a 500.

3
Desperately Seeking!! / 500 clutch adjuster
« on: February 06, 2022, 05:12:30 PM »
Anybody have or has a contact for a :-
500 clutch adjuster and lever arm. Part No's 22841 266 000 & 22810 323 000.
I know there the same on quite a few models and there are some on ebay at crazy prices in Germany, which depending on replies, maybe the route I'll have to take. But someone might just make my day!!

4
Misc / Open / 400Kg ram
« on: February 04, 2022, 08:47:23 PM »
Anybody know where I could get either a replacement  ram or a seal kit for my 400Kg bike ramp!!

5
CB500/550 / Electronic ignition
« on: January 10, 2022, 01:58:32 PM »
For's and against of electronic ignition. Does it warrant the price, do they run any better, are they trouble free or do I stick to points, (which have been trouble free, so far!) I've updated to modern rec/reg so just wonder if I should go the whole hog. Opinions please.

6
CB500/550 / Valve guides
« on: December 19, 2021, 10:59:23 AM »
Been look at Kibblewhite valve guides and they only list one for both In and Ex. I've seen somewhere somebody saying standard inlet and exhaust are interchangeable on the 500's (at a push) Is this the case???

7
CB500/550 / Crank case paint, again!!
« on: December 04, 2021, 02:34:42 PM »
Sorry, another paint question. Anyone on this forum used AutoTek sliver/grey VHT engine paint for their crank cases. Tried the Simoniz aluminum VHT on the barrels and it seems a bit to bright for my liking.

8
Member 4 Sales / Black bomber mainshaft
« on: November 14, 2021, 08:10:00 PM »
I have a brand new CB450 gearbox mainshaft going spare. (Bought it just for the bearing). £50 plus postage

9
CB500/550 / Valve guides
« on: November 13, 2021, 10:55:17 AM »
Are there any recommended manufacturer/sellers of after market valve guides for 500's, or does one bite the bullet and try and purchase the genuine items ££££££££££££££ Plus any other recommencement for guide replacements and seat cutting. I'm thinking SEP at Kegworth, they've done two suzuki cranks for me in the passed that were all good.

10
CB500/550 / Cb125 piston rings for 500/4
« on: November 08, 2021, 07:21:30 PM »
I've just been reading about fitting Cb125s piston rings as a replacement for cb500 unobtainable rings. The rings fitted to my bike have the three piece oil ring, so which of the Cb125' s (year/model) also fit this type of rings?? Assuming this is the case!!

11
Anorak's Corner / Brush painting
« on: October 26, 2021, 03:30:53 PM »
Yes I know it's a bit of a bodge job, but has anybody had any success in brush painting crankcase in situ. If so what paint would was used. Please don't shout at me, only asking!!!!!!!!

12
Tricks & Tips / Internet Luddites.
« on: October 24, 2021, 08:05:05 PM »
This is a "tip" for all us trusting, old internet Luddites. I posted a request on the " Honda classic" facebook site for the elusive gearbox bearing for my 500. To my surprise I got half a dozen replies from people that had them. All had unusual names and posted very brief comment. On checking their profiles, some had only just joined the site that day and others had friends in every country in the world and some had no profile at all. So a rat was smelt, even by an old fart like myself. Then one of the site administrators went through the lot and labelled them all as scammers. So being use't to all the genuine replies on this forum does not carry over to other sites. So all you trusting oldie be very aware when using other means to search for parts. Your never to old to learn!!!!!!!!!!

13
CB500/550 / 500 gearbox bearing
« on: October 21, 2021, 05:47:23 PM »
Anybody know of any bearing factors that can supply gearbox sprocket bearings for a 500, or is it pay through the nose for the genuine item??

14
Tricks & Tips / Carb balancing
« on: April 06, 2021, 03:23:14 PM »
After cleaning carbs,setting float heights etc on my 500/4 and then promptly forgetting to check the slide opening on the bench, I replaced the carbs and proceeded to balance them without much success, as we all know when pinching up the adjuster lock nuts they go out of sync. With the factory set No.3 adjuster having been moved over the years and not knowing where it should be, I sat and thought about it for a while not wanting to remove the carbs again.
I removed all the tops of the carbs, slackened the adjuster lock nuts and adjusted them all so the slides so they completely shut off. Check they where the same by measuring with a vernier from the tops of the carbs to the tops of the slides. Pinched the lock nuts up and adjusted the throttle stop screw so it just moved the slides up from completely closed. Start it up and apart from some very minor adjustments on two carbs it run sweet as. AND when you blipped  the throttle, it shut off immediate to a tickover without waiting for the revs to drop. To make things easier in the future I replaced the two carb top screws directly under the top frame tube with 4mm bolts.
May not be the factory way of doing things but it worked for me and found it very easy to do.

15
Interchangeability / 500 to 550
« on: September 23, 2020, 03:56:11 PM »
Question that's probably been asked 1000's of times before. Will a 550 top end fit on 500 crankcases??

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