Honda-SOHC

Looking great, like the paint job! I think it’s better to complete the engine on the bench as you’ve done. I found it a little awkward putting the barrels on in the frame.


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The rear mudguard, grab rail and some fittings have gone to Ashford Chroming who have quoted an 8 week turnaround which isn't too bad. Can't make my mind up whether to have the front mudguard replated as well or get an aftermarket replacement as it’s probably going to be more cost effective. However I’m not convinced that the aftermarket items will be to the same standard as a replated original mudguard.

My rear wheel arrived on Friday from Full Circle Wheel Building and I’ve put a K82 on, just waiting for the sprocket and brake plates which are at the powder coaters.

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I’ve turned my attention to the electrics and I’ve started “Ashes fix” on the coils which are in good condition although the HT leads were in a terrible state. As mentioned in the procedure the outer insulation of each HT lead was hard and two of the inner conductors had broken. The coils cleaned up well and the leads were exposed in no time at all using a rasp. Now I know that the coils are good I’ll go ahead and order some epoxy from RS.

I had the same problem on my 350/4. I had to cut from the centre with a junior hacksaw  to the swing arm mount. The bush could be pressed out then.


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Fowlers of Bristol are good on parts supply as well if you are using postal

+1 Have used Fowlers Parts for years, great postal service.


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Many years ago I used to mix relatively large quantities of HF with other acids to make a reagent for etching certain types of stainless steels. Head to foot PPE in a room with fume extraction and a shower activated in an emergency by stepping on a footplate. Highly corrosive and toxic.
I didn't realise it was used in alloy wheel cleaners, I guess (hope) its in a low concentration.

Alan

Due to various commitments, progress has been sporadic to say the least but now I’ve got a clear spell and hopefully I can get upto speed.
Today I fitted the pistons and barrels which have been rebored +0.5. The pistons have been individually identified to each cylinder by Trigger. Although I was a little apprehensive about doing it on my own, it was surprisingly easy and straight forward. The bores had been coated in Graphogen and starting with the two central pistons I just took my time to squeeze each ring in turn with my fingers allowing the barrels to slide down. Then I turned the engine to raise the outer pistons a little before repeating the process. Tomorrow I’ll fit the head and camshaft

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I also fitted the powder coated air cleaner/battery box and associated electrics which have cleaned up well. The regulator point gap was 0.3mm as specified. Forward and reverse continuity tests on the rectifier checked out ok.

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The HT leads are in poor condition and one of them can be rotated in the coil so I’m going to see if they are repairable following Ashimoto’s fix.

   

The sprocket studs were pretty well stuck in my hub but they did come out in the end with the application of some WD40 and I left it for a week but kept giving it another spray whenever I was in the garage (daily!).

The sprocket studs finally did come out after applying more WD40 and some heavy blows with a lump hammer.

I’ve started polishing the clutch cover using a Dremel with the plastic bristles recommended by Ken. The cover was heavily pitted and has started to come up well but needs a little more work. Its strangely boring but addictive at the same time!

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sort of still on topic, we had problems with the condensate liquid eating through plastic pipe as it is very acidic. anyway, i came across a product called condensulate in a 10m coil, so no leaky joints

Recently had exactly the same problem. The pipe in our house runs behind the plaster board between the kitchen and bathroom. The joints were attacked by the acidic condensate and only found out when a patch appeared on the bathroom wall. The studding and insulation were soaking wet. I’ll check out condensulate,
sounds like the perfect solution.


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