Harley-Davidson VIN Decoder: Free Model, Engine & Year Lookup

Used Harleys change hands with more modifications than any other vehicle on this site. Big-bore kits, swapped tanks and new paint can make a 107 look like a 114 or one Softail look like another. The VIN records what left York, and unlike a car VIN it carries the model designation (FLHX, FXBRS) in positions 5 and 6 and the engine family in position 7. Enter the VIN above and the decoder reads it against NHTSA's vPIC database using Harley-Davidson's own filing. The tables below are the codes we checked for current Touring, Softail and Sportster models.

1HD and 5HD: Harley-Davidson's WMIs

Most Harleys sold new in the US start with 1HD. Position 4 on these road bikes is typically 1, and position 11 is B for York, Pennsylvania, which has built the big twins for decades. A different plant code should match a different WMI and model.

Positions 5 and 6: the model code

On modern Harleys, positions 5 and 6 together identify the model. These are codes vPIC returns for recent bikes:

Harley has reused letter pairs over the decades. vPIC also returns older meanings for some pairs, such as D* codes for Evolution-era Electra Glides and G* codes for Dyna models. Always decode the full VIN with the model-year character rather than reading the pair alone.

Position 7: 107, 114 or 117

Position 7 tracks the engine. In vPIC results for recent bikes:

This is how you check an engine claim. A Low Rider S with a C in position 7 would be worth asking about, because vPIC lists recent Low Rider S models with the 117 (Z). An aftermarket big-bore kit changes the displacement, but it does not change the VIN.

Position 10 letter to Harley engine era

Harley's model years track engine generations more closely than body styles, and the year letter in position 10 tells you which engine family the bike should have:

Letters not shown carry the same engine family as the row above them. A model year usually goes on sale before the calendar year begins, so a 2024 bike may have been built in 2023. The frame label carries the build month, and the manufacturing date guide covers model year versus build date.

Worked example: decoding a Fat Boy VIN

Illustrative only: 1HD1YGK12RB100001 is a made-up VIN with a valid check digit. It does not belong to a real motorcycle.

vPIC returns this sample as a 2024 Harley-Davidson Fat Boy 114, FLFBS, 1,868 cc V-twin, built in York. If the seller called it a 117, the seventh character would not back that up. Frame stampings are easy to misread under paint or grime, so if the check digit fails, recheck 8 against B, 0 against D and 5 against S before you assume anything worse.

Steering head, frame label and engine case

A motorcycle has no windshield plate or door jamb, so the places to read a Harley VIN are different from a car's:

1. Steering head (frame neck). The full 17-character VIN is stamped on the right side of the steering head. Turn the bars fully to the left and use a flashlight.
2. Certification label. Most models carry a label on the frame, usually near the steering head or down tube, that repeats the VIN with the month and year of manufacture.
3. Engine case. Harley stamps an abbreviated VIN on the crankcase. It should match part of the frame VIN. A mismatch can mean a replacement engine, which is legal but should be disclosed and should be priced accordingly.
4. Title and registration. Compare all 17 characters with the frame, not only the last six.

If the stamping is damaged, ground down or looks re-struck, stop. Altered VINs are a common sign of a stolen bike, and many states require a law-enforcement or DMV inspection before such a motorcycle can be titled. Our Florida VIN verification guide covers one state's process.

What a Harley VIN does not tell you

• Modifications. Stage kits, big-bore cylinders, exhausts and tuners are not in the VIN.
• Paint and options. Colour, wheels and factory accessories are not encoded.
• Pre-1981 bikes. Harleys built before the 17-character standard use shorter serial formats that vPIC cannot decode.
• History. Theft, salvage titles, crashes and mileage come from state and insurance records. The vehicle history check guide explains which ones cover motorcycles.

Harley-Davidson recalls

The decode result above lists the safety recalls NHTSA has on file for that model and year. To see whether one is still open on this exact bike, run the VIN through NHTSA's recall lookup. Harley-Davidson dealers perform recall repairs free, regardless of who owns the motorcycle.

Run a title and theft check before you pay; the free VIN check guide explains which checks cost nothing. Other motorcycles use different model-code positions, so for a Japanese bike see the motorcycle VIN decoder guide instead.