Three basic choices from easy to difficult:
the vin should be shown in the owners manual.
there is no hidden vin.
do you mean the chassis no. or the vin no.? you can find the chassis no. with the vin. but not with the reg.no. you can find the vin. with the reg.no.
how to find the owner of a vehicle using the vin number
There is no VIN on a motorcycle this old. There is an engine number on the crankcase and a frame number on the front of the bike frame, on the steering neck.
If your vin number is between (110 2000 001 - 110 3096 945) it is a 1970
The Vehicle Identification Number, or VIN, only identifies the body and frame of the vehicle. There is no VIN number on the engine and the engine number is not related to the VIN.
looking for vin number on fleetwood camper
My Chilton Manual Volvo 1970 - 1989 has a detailed explanation of what the VIN number means on p.6
I NEED TO KNOW WHERE I CAN FIND THE VIN NUMBER FOR GEMMA 250 I NEED TO KNOW WHERE I CAN FIND THE VIN NUMBER FOR suzuki scooter GEMMA 250
#8 number in the series of the vin number indicates engine size
On modern Big Twins the VIN is stamped into the frame on the right side just below the steering head. On Big Twins made before 1970 there is no frame number; they use the motor number for their VIN.