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Engine and frame no's

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Sparrow1:
Hi guys,
  Although I found the old thread topic on this, 1, it's more then 120 days old and 2, it doesn't quite answer my question. The site recommends I start a new thread again.
  Bit confused on a K2 I'm looking at. Anyway the numbers are :frame 2074937 and engine 2049772. I've been doing some research and it seems possible to have numbers out (although still in the K2 era) as much as a few thousand. In this case probably around 2 - 4 months apart. I've had a K0 and I have a K3 presently (returned to UK spec) and the numbers in both of these were/are much closer as many of your threads confirm previously with theirs. Any thoughts? What if you were looking to buy this bike? the V5 confirms these numbers.
  Finally the MOT history contradicts the reg date claimed by the present owner, DVLA : July 1971 owner/V5 March 1974, in Scarborough. Do they make mistakes? Anyone come across this?
  Thanks, Nigel.

neilg:
Firstly I can't answer as to whether these numbers are original, however the V5 will show what ever engine number is provided either on original registration by a dealer or a subsequent updated number after an engine swop with the number provided by the keeper at the time. So from the V5 you can't tell if the engine is original or not. Unless of course there is a large difference in manufacturing dates. And yes they most definitely do make mistakes. What prefix is on the registration plate?? That's the big clue as to the correct year. I think July 71 was J and March 74 on an M.

Sparrow1:
Hi Neil.
  Yes, indeed, it's on an 'M'. Even both engine and Frame no's are consistent with the K2, reg, and the V5. I wonder if the largish separation on these two numbers makes a difference to it's value? It certainly raises my eyebrow but not excessively.. I think a phone call to the DVLA may help. Anyone else have any ideas? Been here before?
  It's a pity the Brit market never received any engines with the improved upgrades, as in the next year, on the K3.. The European market semed far less important than the USA and Germany one. A long wait until the K6!
  Nigel.

Bryanj:
The big difference in numbers is because in UK we kept getting K" whilst US had K3,4,5,6, and the engine numbers kept going up

Sparrow1:
Ah,
  Thanks Bryanj.
   And it appears to be a cock up within the DVSA dept. an MOT Inspector wrote the wrong year down.
    So the numbers are perfectly reasonable in the UK and to be expected from time to time. Thanks.
   Nige.
   

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