SOHC.co.uk Forums > CB750

Buyer beware...DK selling restamped Sandcast 750

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MrDavo:

--- Quote ---The bastard file marks say enough.
--- End quote ---

No need for swearing, Moorey!

It does have all the hallmarks of a ringer though, why you would ever take the numbers off any frame for honest reasons is beyond me. Of course to anyone who knows these bikes as well as we do, going for 'matching numbers' is a big mistake, we've seen that a few times.

I'm now on my third bike re-registered in the UK after being imported from overseas markets. Not wanting to put ideas into bad people's heads, but particularly where manufacturers, insurance companies and police forces have long since binned their old records,  I can see absolutely nothing to stop a bike that was half inched in country A long ago being registered as a legitimate import in country B, I have never had an overseas title or been asked for one. Well, nothing to stop you other than a crudely altered frame or engine number.......

Andrew-S:

--- Quote from: Trigger on October 13, 2020, 11:02:13 AM ---Even the engine looks to be late K1 early K2  :o

--- End quote ---
Graham,

Was there a changeover engine number where the early K1 square-flattened off K1 barrel transitioned to the later K1/K2 barrel?

Cheers,
Andrew

Trigger:
The K1 barrels with the flat had engine bolts with separate washers on the M6 and was early K1. The later K1 had M6 bolts with a flange bolt.
 

Andrew-S:

--- Quote from: Trigger on October 13, 2020, 08:00:09 PM ---The K1 barrels with the flat had engine bolts with separate washers on the M6 and was early K1. The later K1 had M6 bolts with a flange bolt.

--- End quote ---
Many thanks Graham,

I did a bit of research last night after your reply (when I knew what I was looking out for) as I wondered whether my 11/70 K1 (engine No 1067553) had the correct barrels and John Wyatt's book says the M6 flange bolts change came in at CB750E 1064092 so I'm assuming at this point the early barrels with the flat edge were discontinued and the round edge were used in production on the later K1/K2.

In which case my K1's round barrels are correct - this survivor bike was previously owned by Chris Rushton and UK Pete and hasn't been messed with, so I was curious when I read one of your previous posts about identifying the K1 barrels.

Cheers, Andrew

Trigger:
No ones knows when the barrel change came in by number. Honda sold bikes and when the bolts ran out, they went on to a new box. It would of been the same with the barrels.
Not uncommon to see the rounded type fitted to a K1 and not uncommon to see a K1 head that was fitted to a K2 at the factory  ;) But, the factory never fitted the round front to a K0.

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