TOPIC: 73 - 750 frame survey request

If anyone has the ability to investigate their late 73 750 frame to identify whether it is a british or italian/metric tube frame. Please email me where I will accumulate that data to be included in the rolling chassis data.
Thanks
[email protected]

Dave,
My 750 interstate is a '73.
what can I check?
do you know when, VIN, or measure.

P

early 73 850 started with the italian/metric tube frames:
nneno.org/forum/norton-rolling-chassis/6...rolling-chassis#1245
imperial are 1"(25.4mm) or metric are 25mm then 2-1/2 in or 65mm backbone. ignore the added black paint.
however rumored that 750's got a few metric frames ,,,,but when??? what vin? DATA needed

the VIN plates are skewed to the left on brit frames and the VIN tag is skewed to the right on verluchi ? MFG frames