How to Find a Pre-1980 VIN Number. The 17-digit Vehicle Identification Number (VIN) encodes vital information, such as a vehicle's manufacture date. The Federal law regarding the record and display of the VIN first became effective in 1981. The law required manufacturers to display the VIN directly on the body of newly produced vehicles.

This listing provides only very basic engine information corresponding to the engine code found in the VIN for the periods available. Please note that this listing does not include all years present in the database.
When you choose the make and the year, you will see a screen showing the engine codes available, along with the applicable information.
(If you are looking for the entire VIN for a car, please go to the Search for Specifications tab, enter the year and make. When you get to the specifications page for the particular model, there will be a VIN and description.)

Tech's Web Harley-Davidson®Vehicle Identification Number (VIN) Info1970-1980Harley Davidson ® VIN Identification GuideThis list is unofficial and is not gospel, only what I have been able to cross in various manuals, web sites and dealerships. If you have more updated info on this data, please let me know.Thanks!!Year Groups Model Info VIN Info. Numbers on both frame and engine.

From the factory, the numbers on the frame and engine matched exactly. Voice training software linux. (Thereis an exception to this. See ' The 1979 Exception' below).