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Topics - Oddjob

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1
CB350/400 / Worst waste of a 400 you've ever seen?
« on: May 02, 2020, 12:55:14 PM »
I don't know if this has ever been posted before but if not be prepared for a shock.

Words fail me.

https://www.ebay.co.uk/itm/133394616112

2
CB500/550 / CMS now have 4 into 4 exhaust systems back in stock
« on: March 24, 2020, 02:47:22 PM »
Just got an e-mail from CMS saying they have now got some stock of these, not saying how many they have just that they are limited in number.

Just ordered my set for the L reg I'm currently restoring. Didn't want to order it right now but couldn't take the chance they would go out of stock again. Might have to sell some of my stock of black main shell bearings to go toward the cost. 1074 euros all in including free shipping.

3
Misc / Open / Sorry Ralph old mate
« on: February 17, 2020, 03:41:46 PM »
Just noticed that even though Ralph (Bitsa) has been gone some while now I've only just passed him on post count recently. He's very slowly sliding down the list of all time posters and that's really sad. Eventually he'll no longer feature on the list and that doesn't seem right for such a nice fella, maybe Steve could give Bitsa 10,000 honorary posts so he'll always be with us?

4
CB500/550 / colour of yokes and headlight shell
« on: September 24, 2019, 01:52:33 PM »
Started to refurb some of my old parts off my 500, I did this last in the 80s and the paint on them is now flaking like crazy.

Looking at the finishes on the yokes and the headlight shell I decided back them to do them in gloss black, thinking back though I'm not sure if that was correct. I suspect the shell may have been gloss but should the yokes have been satin black instead.

I'll be having the yokes powder coated but the shell will be sprayed with a rattle can, just need to make sure the finish is the correct one, although TBH I do change how things look if I decide it would look better or cooler in a different finish, I'll be doing the handlebar switches in satin black so maybe the yokes should match.

5
Misc / Open / Anyone bought and used one of these idiot console decals
« on: September 18, 2019, 03:57:14 PM »
https://www.ebay.co.uk/itm/HONDA-CB750F1-CB750F2-CB400F-CB550F-CB250G5-CB360G5-CONSOLE-COVER-LAMP-DECAL/143356750480?hash=item2160ba6a90:g:gCgAAOSw~OVWv18E

The OE is made of a thin metal sheet with the printing on it, this one looks to be made of vinyl and as such I'm unsure if it would look ok. My OE console has a few dents etc on the decal so I was thinking of replacing it but not if this is not very good.

May have to buy an aftermarket one from DS but I wonder if that's done with vinyl or metal?

6
Desperately Seeking!! / Small pieces out of CB500/550 carbs.
« on: August 27, 2019, 03:40:50 PM »
Anyone got a carb broken in bits for the 500/550F, I need these 2 small pieces, they hold the float needle valve into the carb body. I'm sure someone will have these just lying about.


7
CB500/550 / Stainless steel engine bolt replacements
« on: August 26, 2019, 01:40:01 PM »
I have located a place where I can get replacement stainless steel bolts for the engine cases. I used the same place back in the 80s to replace all the engine hanger bolts including the step bar bolt and the large bolt used just above it at the upper rear of the engine. These bolts are still in perfect condition over 30 years later, no rust at all.

When I was rebuilding the engine of my 500 back in the mid 80s he didn't do a lot of the bolts he's now making, like the 10 8x100 bolts used to seal the crankcase halves together, he now does those and I ordered a single one to see what it looks like and it's perfect, I've now asked him if he can reproduce the large thick washers that these and the cylinder head nuts use under them, they are 8 x 14 x 3 I think (could do with some measuring one to confirm that as I haven't yet dismantled the engine).

If he comes back with a yes then would anyone else be interested?

This means bright shiny bolts without having to resort to having them BZP plated, no maintenance, will still look perfect in another 30 years and better in appearance. The trouble with BZP bolts/nuts is that they are designed to be sacrificial, that means they dull over time as the zinc plate sacrifices itself in order to protect the steel underneath, not knocking these bolts etc, that's what they are made to do and they do it really well. I however, prefer to just fit and forget.

There will be members on here aghast that I intend to replace standard Honda bolts/nuts with alternatives, those who insist on replacing the JIS screws in the casings with new JIS screws, not got a problem with that, if that floats your boat then go for it, I prefer to replace things I don't like with things I do like and I prefer to use stainless wherever possible.

8
Desperately Seeking!! / 627B Number 3 carb needed CB500K
« on: August 21, 2019, 02:54:46 PM »
Just dismantled the carbs off my bike and spotted that a screw has sheared off inside the float bowl, it's the screw which holds the float valve needle, it's broken off flush with the body and I'm not sure it will come out. I think I'll be needing a new body for this particular carb, they are handed so it has to be a number 3 carb from a set of 627B carbs as fitted to the CB500K. Not bothered about inner workings so much but would prefer it to come with the small screw which has sheared off and the small 8 shaped plate this holds in place.

Can't believe I threw out about 4 banks of carbs many years ago thinking they were useless, anyone got a bank of carbs broken that they wouldn't mind supplying that carb body from. If your unsure of which carb body you have post a pic as they are easy enough to identify if you know what to look for.

9
Project Board / 30 years of storage later, the project begins.
« on: August 20, 2019, 10:41:39 PM »
Want to see what 30 years of having rats piss on your bike does to it. Well have a look. These are my bank of carbs, the right hand side feeding cylinders 3 & 4 suffered far more than the left hand side, I'd spent a lot of time and money on these carbs when I was restoring it back in the early 80s. I'd had the top covers, fuel bowls, choke linkages, throttle lifters chromed, the carbs had started out bead blasted then lacquered but later I'd painted them black instead. Most of the bolts/nuts had been replaced with stainless steel ones. 

Here's how they looked just after I'd removed them.









Most of the chrome is bubbling/lifting, the only shiny nuts/bolts are the stainless ones, the rubber overflow pipes are brittle and hard. The carbs don't work, the throttles are stuck in place, you can move them but they really don't want to move and don't return when you do get some movement. I initially thought it was the connecting rod, it looked really corroded and I suspected it had bonded inside the carb plate, this is what rat piss does lads



The corrosion is so bad that I knew I needed to replace that plate, not cheap but managed to find a NOS one for £62 which is a real bargain as CMS in Holland wanted over £800 for the same piece. I thought I'd drained the carbs when I stored the bike but I remembered I'd dug it out of the shed one day and fancied a ride up the street on it, popped a battery on it, dropped some fuel in the carbs and ran it down the street minus the tank, seat and all the exhausts, it was loud that all I'll say about it. I must have forgotten to re-drain the bowls as when I popped off a fuel bowl here's what I found. I've bought some new Viton O-Rings as new petrol doesn't like the old O-Rings, it's the Ethanol in new petrol, causes them to swell.Also got some Nitrile rubber piping, same story as the o-rings, it's more resistant to Ethanol. All the chrome parts removed will be either stripped of chrome or re-chromed if they are metal, you can't find anyone chroming alloy anymore. Not yet decided what I'll be doing with the carb top and bowls, not going down the polished route as I think that's been done to death, we'll see what I can think of. 



That's a sticky mess, like tar and it had coated all the jets, this was why the throttles didn't want to open, it was like dragging a body through the mud, damned hard work. So I had to remove all this and conventional wisdom was to use an Ultrasonic bath, trouble is they cost and it's a one off cost as your unlikely to get a great deal of use out of it after so rather than do that I decided to try soaking the bowls in carb cleaner and see how it came out. Initial results looked promising, the cleaner just melts the tar, stinks like hell and gives you a headache in confined spaces but it was working so I decided to make a bath to soak the carb body in, took 3 cans of carb cleaner to fill it high enough to cover the body. Trouble was it also melted all the black paint, no bad thing as I wanted a different look so I dismantled one carb completely and soaked it for a few hours.
Carb bowl came up ok.



The jets however were another story, all were blocked solid with tar, the solvent softened it enough for me to use some interdental brushes to clean them out, used a 0.4mm, 0.5mm 0.6mm and a 0.8mm brushes and they were made for this, absolutely great results. All jets are now perfect again. 

So now I needed to clean up the body of the carb, took me a hour or so and this is how it looked after.





So everything was going ok but little did I know the god was laughing, I decided to spray the carbs a different colour, so prepped the surface with some brake cleaner and sprayed it up, gave it 2 coats then a coat of lacquer. I decided to try and harden the lacquer so it was more resistant to petrol so I used a small removable section of the carb plate and sprayed that up so I could test it in the oven. Came out ok, lacquer really hard, so in went the newly painted carb body, 150c for 40 mins, I'd meant to give it 30 mins but was busy doing the next body and forgot the time. Went to the oven and it was a HUGE mess, all the paint was bubbling, totally ruined it. Body was fine so when it had cooled down I dropped it into the solvent bath and bugger me if the paint didn't just dissolve, good job I suppose as petrol falling or spilling onto it would probably have had the same result. So that's where it stands, 2 of the carb bodies are now sprayed but not lacquered until my new petrol resistant lacquer arrives.

Will post some pics of the carbs when they are painted.

10
Member 4 Sales / 4 NOS inlet rubbers for CB550K3, 16211-404-000
« on: August 20, 2019, 01:30:31 PM »
As above I have found 4 of these inlet rubbers. 2 are in Honda bags with part number, still sealed, 1 is in a store stock bag with printed number on label on bag, no idea why they'd take them out of OE bag but some stores had odd systems and 1 is loose. Bought them many many moons ago thinking they were the same as the 500 rubbers but appears not.

DS wants £7.80 inc VAT each plus P&P. You can buy copies for £14.40 for 4 plus P&P which is usually around £6 but DS doesn't have any copies in at the moment. The copies are supposedly not that great but that's what you get for buying a copy I suppose.

Was thinking £20 inc P&P to a member before I put them on E-Bay for £5 each plus P&P.

11
CB500/550 / Little quiz on how well you know the 500K
« on: August 20, 2019, 11:23:45 AM »
I've worked with Hondas for a long time now and I never noticed this until recently, or I may have noticed it but never really thought about it.

Bolts on Honda engines of the 70s and 80s and maybe even before and since tend to have certain sized heads, 5mm bolts have 8mm heads, 6mm bolts have 10mm heads unless it's after the 250N era when they started to introduce 6mm bolts with 8mm heads, 8mm bolts have 12mm heads, unlike say Yamaha who preferred 13mm heads and 10mm bolts had 14mm heads. I'm sure you all noticed this. Same applies to the nuts used, most are 10mm, 12mm ,14mm or 17mm.

So when I started to dismantle my 500 recently I took only those spanners with me. However I noticed that there is a 13mm headed nut on a Honda that is standard, all the 500s have this nut, there is also a 9mm nut and some 11mm nuts.

So for kudos, and Graham your exempt from this quiz as I'm sure you'll know at least some of them, where EXACTLY are these oddball items, the answer needs to be exact, you can't just say front wheel for instance.

This is just for fun and may just extend your knowledge even further. It may also be true of the 750 and 400 BTW, once the answers are known maybe someone can tell us if that's so.

12
Looking to fit a CB650 primary chain tensioner in my 500 engine whilst it's apart. However you need a special bracket making in order to do this. Aluminium is the normal choice for this bracket BTW.

I had a really good engineers drawing of the bracket showing dimensions etc but need someone with access to a lathe to progress with this little project. I have the tensioner BTW, I believe I also need the 650 sump and oil strainer but I want to see if that's true before I buy those.

Contact me via PM if you can help, of course suitable payment will be arranged. Maybe you could make a couple in case someone else wants one.

13
Misc / Open / Switch wire coverings
« on: August 02, 2019, 09:56:23 PM »
I've done a quick search of the site but TBH I think it's more the way you phrase the search that helps.

So here's what I'm after.

I've finally started to pull apart my CB500 after 30 years of storage, I've decided to strip down all the parts which I'm having re-chromed, so I started on the handlebars which are reasonably well preserved but could do with being made to look like new again.

So off with the bars and then I have to get the wires out of the middle of them, I'm using CB550F2 switches along with the loom and I'd forgotten just how enormously long the switch wires are as they go right down to the coil area. Wires are still excellent but the plastic covering has seen better days, I had a right job getting the first one out especially where the covering had cracked and broke in two. So has anyone found a source to replace this covering, it's really just a simple plastic tube to protect the wires from chaffing, I mean I could just wrap them in insulation tape but I'd sooner not if an aftermarket source has been found.

So anyone know where I can get some?

14
Spotted these a few years ago but lost the link when I had a hard drive crash.

These are custom made and are case hardened more than the original spec Honda ones, the middle selector is almost impossible to find these days and whilst these ain't cheap I've seen OE forks go for almost as much and these should be longer lasting and possibly even cure the problem the 500 suffers with on burning the fork tips out.

Also does a really nice copy of the grab rail in case anyone fancies putting one on their bike, my missus finds the rail very handy so I'm sure your partner will too.

http://www.gbmotosport.it/forchette-cambio-hondafour500.html

Cost is 150 euros each fork but the last time I asked he offered all 3 for 375 euros. You can find the occasional left fork but the right fork is also getting very hard to find these days.

15
Desperately Seeking!! / CB550F grab rail
« on: July 17, 2019, 04:27:14 PM »
Anyone got one, I rather stupidly sold mine a few years ago and have just decided to restore the bike so I'll need one. Still got all the indicator bits luckily so just the rail. NOS would be great, so if you see one advertised let me know please.

There was a firm in Italy making repros out of stainless I think but can't find the website now  :(

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