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Honda CB750K5 Restoration by Royhall
royhall:
Is that the black half fairing model with the full Acky system. That would be nice, hope they have to discount it to get rid. ;D
Oddjob:
Actually he said it was the same as mine and mines the naked version. Maybe he meant same colour as mine, red/white.
Laverda Dave:
It's all getting tantalisingly close to start up Roy. Great rebuild thread👍
royhall:
Finally time to open the big boxes and get the exhausts fitted. These are pattern parts that came from Colin at Predator Motorsports. Speaking to him on the phone he claims to be the guy that has these made in Japan and then sells them on to Silvers and CMSL, not sure how true that is. Being pattern parts, and considering my experience over the years with pattern parts, I'm not expecting this to go well. This is what was in the boxes.
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They don't look too bad on initial inspection, the welds are slightly saw toothed but that would be nit picking. They had sticky labels indicating 1 to 4 so no problems sorting them out. The clamping rings are also pattern parts as the bike came without an exhaust. The stubs were already fitted earlier. Not much else to say really as surprisingly they fitted straight on. No pushing and pulling, no trying to line up holes or anything, just straight on first time. Everything is straight and lined up. For pattern parts it's a miracle. Well done whoever built them. Some photo's.
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Now I'm getting somewhere. I was expecting a battle with these but am pleasantly surprised.
royhall:
Just a few little jobs now before the anxious fire up moment. I need to make up some HT leads to fit to the micro coils. I got some fittings from Boyer that I didn't seem to be able to get from anywhere else. A little bit of soldering and another job bites the dust. As the side panels were sat looking at me I decided to get the badges on and fit them. After dry fitting the badges there was a lump preventing it sitting correctly. I should say at this point that foolishly I didn't test fit the pattern side panels before painting. Had they been from Silvers that could have been an issue, but as they came from Yamiya in Japan I think it will be okay. The lump was an injection mould runner so I just carefully took them off with the Dremmel.
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I remember reading about someone fitting the side panel badges the wrong way round. So I checked on the pictures that James H sent me of an untouched K5 and did it correctly. Easy mistake to make if you don't know about it. The Honda feathered logo has the pointy bit forwards. As I don't want to lose them on some back road somewhere I put a couple of dabs of clear silicone behind them then fit the star clips. As I thought, the Yamiya panels fitted perfectly with some new rubbers of course.
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Last job before trying a start up is a tedious chore that I just want out of the way. Wheel alignment. It's time for crawling around on the floor again. It just needs two heavy weights and two lengths of sting. I tied the string to the back wheel as per the photo then round the weight. Same both sides. Then the weight is moved bit by bit until it just touches the the front of the back tyre, again the same at the other side. Then straighten the front wheel and see how even the gaps are, in my case a turn to the right was required. I unlocked the axle nut and using the chain adjusters moved the front of the wheel to the right. Then you have to do the string thing all over again. Like I said, tedious. Keep repeating this until the wheels are aligned, then tighten the axle nut. Don't forget to watch the drive chain tension, then nip up the adjuster bolts and locknuts. And don't forget the split pin through the axle castle nut, MOT failure. Simples.
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