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1967 CB450K0 Black Bomber Rebuild - By Royhall
Rozabikes Tim:
Credit to you Roy but seeing your other work and the attention to detail you always have, I am not surprised by the end result!!
MrDavo:
Lovely job Roy, as expected.
I was intrigued by the CB450 long before I’d ever seen one. A a teenager, once I’d got an interest in bikes, I’d borrowed a couple of service manuals from the local library. One was for the CB450, I was intrigued by torsion bars for some reason.
I always thought the early CB450 tanks were fugly, they looked upside down and back to front to me, but that’s why the yanks had to invent the CL version. Which reminds me, if you see a series on Sky called ‘Your Honour’ the first episode features a cafe racer built from a CL450 as far as I can see.
royhall:
I had another look at the timing over the weekend. The ignition instructions were explicit about not setting the timing with a strobe and to do it statically with a light. After that it can be checked for advance with a strobe but not adjusted with the engine running for fear of losing the earth and wrecking the capacitors. So that's what I did. I double checked the static timing and it was good both sides. So I strobed it and revved the engine to give maximum advance which was right between the marks both sides.
Now the strange bit, firstly on tick over the advance does not drop back fully, probably slightly off springs on the advancer. But that does not appear to affect starting or running. Secondly, it was running really well and idling at 1000rpm perfectly until I unclipped the strobe from the HT lead at which point it immediately fouled a plug? I changed the plug for a new one and its running fine again. Can anybody explain what happened there, really weird.
royhall:
I had a reply back from DVLA about the V5C. They wanted more information as the registration has not been active for so long. If they had bothered to look at the information I had already sent them it was all there. No wonder government departments are so rubbish, bloody frustrating but I guess that same information has to be on one of their forms. This is what they sent (a pre-printed form complete with spelling mistakes):
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I may have it on the road by Christmas in time for the next lockdown. ;D
Laverda Dave:
I've just begun this process myself Roy for the BIL's Z400J.
I think I have a world of pain to come given your example!
Dave
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