Vintage Schwinn serial number lookup. Enter your Schwinn serial number in the box and click button to see what date and year your Schwinn bike was made.
80804 sounds early.
The first WZ507 had belts flat, for belt clearance. Later WZ's were dimpled for belt clearance.
And yes, H motor.
Don't forget, there was the Deluxe model or the Standard model.
SN# Date codes by year, month and day. I'm thinking 80804 is 8/08/04 -1948 August 04
There's no record of the SN# because of the office fire on August 17, 1948