Journal Media does not control and is not responsible for user created content, posts, comments, submissions or preferences. Engine has a partial VIN and the numbering is out of sequence, but you will know if the engine and frame belong together or not. The 'crankcase number' is reported to be a ten digit numeric ID. The production date range is 1/9/79 - 2/7/79, and the frame VINs affected are or should be 43000H9 through 48199H9. This was a factory idea that was quickly changed after they were notified that it made the bikes look stolen to some law enforcement agencies.

Some 1979 engines had totally different numbers.

Third through seventh numbers are the production numbers (always five numbers over 10000.

These numbers will match exactly if the bike is all original (with the exception of some 1979 models, see below).

If production number has five digits, the first two numbers will be even if the year is even, odd if the year is odd.

If production number has four digits, the first number will be even if the year is even, odd if the year is odd.

The last numbers are the production number.

Letters (up to four) are the model designation.

There are no frame numbers until the 1970 model year.

The engine number is the VIN and is located on left case.

There are sites out there with more information about all of this, but even they admit it is not accurate. this was the beginning and things changed rapidly. Model designations changed like the weather. There are a few sites out there with much more detailed VIN info, this is just a guide to get you started. This information is a combination of years of experience plus information available on the internet.

Coil Tips] Harley Davidson VIN Information.

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There is no breakdown for the transmission number and the primary has no numbers. The front of the serial number it will start with the letter of its year, being F for. While it looks old, we feel the old Harley transmission is 1916. Sort through the categories or use the search function by part number or keyword. Warning: Use of undefined constant HOME_PAGE - assumed 'HOME_PAGE' (this will throw an Error in a future version of PHP) inįor all your Harley Davidson motorcycle.

Harley Transmission Serial Numbers