SOHC.co.uk Forums > CB500/550

Finally after too many years I'm working on my 500/4

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matthewmosse:
I do the photos on my mobile, then when the laptop is willing to play ball I reduce them and post. Sadly last few times it refused to save the modified images. Think the cable for the phone was giving poor connection. Almost all my IT stuff is out of date, bar the samsung tablet I am using, it might well have immage editing abilities but I have yet to find it.

matthewmosse:
ms paint will only re size 1 immage then it just gives a save interrupted error message. so annoying. frame now got a topcoat of rutoleum black, cos that was all I had, came in a box of sundry garage junk in a sale - cost £1.
now I just have to re assemble / clean the rest of the assemblies, hoping this will be faster, having a curious 4 year old around the shed makes welding and power tools needed for frame repairs a no go area. I think he may enjoy the bike comming together and more especially running, he loves the ntv at the moment and has already mastered nicking the keys and sitting on the tank to start it. This bike has already got wireless remote starting up to 200m and a sidecar - well needing re fitting.

matthewmosse:
another shot of the repaired frame, right side as you sit on the bike is an old repair, left side is this recent repair, I would hope if I tried this again to do a neater job. Just from my first repair and the second attempt there is a lot of inprovement but it is a fairly complicated job. If I tried another I would quite likely re make entierly all the pressed sections in new metal. On this one the outline of the frame is original metal with about 4 sections of infill new metal. I think it would give a better finish and be faster to replicate the pressings, grind off the old and weld on new, though I found the frame tubes also needed repair.

matthewmosse:
Well, got a brake linkage back in and that no longer has the 5 inches of play thanks to a chromed replacement pivott off ebay and a new tube welded in. Down to 1 inch of sideways play, room for inprovement but no longer in the realms of mot stress. I suspect much tighter tolerances might make the pedal slow to return, not to mention needing a 1/2mm smaller drill, if not 1/4mm which starts getting expensive. I think the bike may be back on the road for under £100 expenditure at this stage. The wheels are looking crusty, chrome coming off in flakes, the tyres will need to come off to inspect internal rust, and they're in for a coat of black paint, they were pitted as anything 13 years ago when they arrived as part of my 550k3 anyway, sure the originals are about, hopefully with better chrome, but they'll do a few years before they get re built. The re lining job I did on the back brake looks in good order. Todays job was to re fit the bike frame to the sidecar chasis, found one sidecar fitting is too large, not on a repaired bit of the frame or anything, got a sleeve to make now to tighten it up. Another cost saving will be a car battery in the sidecar, left over from scrapping the family run around it should outlast the precession of lead acid std batteries that at most pulled 2 years service from the collection of dead ones  I have, at £40 a throw, give or take depending on if I was feeling fush enough to buy yuasa or cheap junk, car batteries are going to be some saving, they can take more abuse, cost less and probably will last longer.

matthewmosse:
Been pricing bits up online, even if I still had a valid honda owners club card with the 10% discount, we moto still looks to be cheaper for headstock bearings for the 500/4 and 250 nighthawk, especially if dave silvers still have thathigh postage for big orders policy. Back when I last ran the 500/4 it was dave silvers every time, but prices seem to be a bit up these days. £125 for a camchain tensioner, they used to be £50. Makes my stockpile of engines bought @ £150 plus postage seem a sound investment. Most are not that worn.

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