The Gun Digest Book Firearms Assembly and Disassembly Part 5 Shotguns has an illustrated description of the model 97 disassembly.
Blue Book of Gun Values
My records indicate that your Winchester model 1897 was made by Winchester in 1901.
Your Winchester model 1897 shotgun was made by Winchester in 1927.
Your Winchester model 1897 shotgun was made by Winchester in 1942.
Your Winchester model 1897 was made by Winchester in 1955.
You would need to include the serial number in your question.
The serial number is required to determine when a Model 97 was manufactured. Bert H.
Winchester Model 97 serial number 847636 was manufactured in the year 1929. Bert H.
Your winchester model 1897 pump action shotgun was made by winchester in 1942.
Your Winchester model 1897 shotgun was made in 1951.
your model 1897 Winchester shotgun was made in 1914.
Yes. Winchester made the 1897.