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1967 CB450K0 Black Bomber Rebuild - By Royhall
Bryanj:
That is the wrong oil left in way too long
royhall:
Got into the gearbox and it was a pleasant surprise. Although it's also covered in the black smelly goo it appears to have protected the internals quite well. The parts are obviously going to need a good clean and thorough inspection before re-use. But the initial checkover is looking good.
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Not too sure yet how I am going to clean these parts, last time I used new engine oil and a clean paint brush. I am a little bit cautious about using anything solvent as it gets into every nook and cranny and will cause wear if I cant get it all out again. Will see how it goes.
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As you can see from the pictures the gears are all looking good with hardly any wear and no broken bits. This looks normal Honda to be honest, good strong gearboxes. The crank is looking pretty gunged up, this is the bit (along with the strange head) that I am most nervous about. The crank does turn very smoothly but all that goo is bound to be inside it. It may need a bit of specialist attention?
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So I will pull it all out and clean everything up then see where I am with it. The gearbox bearings are quite hard to source and are expensive but I would really like to change them whilst I am in there. The bronze bushes will get changed as they are available from CMS. The next instalment will be after the bits are clean and I know more about the condition of the parts.
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As you may be aware I actually started the engine build a few months ago so "by the magic of the internet" it may take me no time at all to get the parts clean and ready for reassembly. Or for those familiar with Blue Peter, it will be a here's one I made earlier moment. ;D
Bryanj:
Red diesel is a good cleaner as it has a small lubricating property, i have even been known to fill car sumps with it and run engine for short period to wash out sludge when head gasket gone
royhall:
Now the lovely chap I bought the bike from also supplied some other interesting stuff. Firstly another set of crankcases to replace the broken ones on the bike. These were carefully selected to be in the correct number range for a 1967 Bomber.
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He also supplied a large file of documents from over the bikes history. This had some very interesting items in it such as a page from Motorcycle news from October 1978 showing the bike for sale. Nice to look over some of the other bikes and the prices. I particularly like the CB500T advert with "Ban forces Sale". Or maybe CB400F "must go overdraft to clear". You just don't see these adverts any more.
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What about old tax disc from the last time it was on the road.
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Or letters from previous owners. Plus there is a lot more paper in there.
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AshimotoK0:
Great period literature there Roy :D
Here are a couple of DS ads from early 90's .. Anyone got his original from 1986?
Better resolution here :-
https://www.dropbox.com/sh/qpq1uz2bnpv0f6p/AAAz95QXBXWwVjAtUqUhg0-aa?dl=0
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