The year is encoded in the 10th character of the motorcycle’s 17-character VIN; decoding that character against the standard year-chart reveals the model year. Because these codes repeat every 30 years, you may need to corroborate with other records or date stamps to pin down the exact year.
Motorcycle VINs follow a standardized format established to identify the manufacturer, vehicle type, and a unique serial number. Since about 1981, most motorcycles use a 17-character VIN, and the 10th character is dedicated to the model-year code. This article explains how to read that code and verify the year with additional evidence.
Where the year code lives in the VIN
The model year is conveyed by the 10th character in the 17-character VIN. For 1980–2000 and 2010–2030 the codes are letters; for 2001–2009 they are digits. The remaining positions identify the country, manufacturer, model line, production plant, and the vehicle’s serial number.
Model year code chart
Translate the 10th character using the chart below. Note that the same character can represent more than one year because the codes cycle every 30 years.
- A = 1980, 2010
- B = 1981, 2011
- C = 1982, 2012
- D = 1983, 2013
- E = 1984, 2014
- F = 1985, 2015
- G = 1986, 2016
- H = 1987, 2017
- J = 1988, 2018
- K = 1989, 2019
- L = 1990, 2020
- M = 1991, 2021
- N = 1992, 2022
- P = 1993, 2023
- R = 1994, 2024
- S = 1995, 2025
- T = 1996, 2026
- V = 1997, 2027
- W = 1998, 2028
- X = 1999, 2029
- Y = 2000, 2030
- 1 = 2001
- 2 = 2002
- 3 = 2003
- 4 = 2004
- 5 = 2005
- 6 = 2006
- 7 = 2007
- 8 = 2008
- 9 = 2009
Because the year code cycles every 30 years, you should confirm the exact year by cross-referencing with official documentation or production stamps on the frame or engine, or by checking the title and service records.
Practical steps to verify the year
The following steps help you confirm the exact year from the VIN and avoid misdating a bike with a similar code.
- Use a reputable VIN decoder or the manufacturer’s official site to extract the model year from the 10th character.
- Cross-check the frame and engine numbers, which often include date stamps or production periods.
- Consult the vehicle title or registration for the year listed by the issuing authority.
- Look for model-year specific features or year-notes on the data plate, plastics, or service records.
In practice, decoding the 10th VIN character provides a strong clue, but corroborating evidence ensures you pin down the exact year, especially for bikes dating from decades past.
Common caveats and tips
Several caveats can affect dating a motorcycle by VIN alone, so keep these in mind:
- The 17-character VIN standard has been widespread since the early 1980s; older bikes may use shorter or different VIN formats.
- Codes repeat every 30 years; a given character (like A) can indicate multiple possible years depending on context.
- Some manufacturers or markets used pre-production VINs or nonstandard formats that require additional verification.
- Always corroborate VIN-derived year with frame/engine date stamps and official documents for accuracy.
Combining VIN decoding with physical date marks and records gives the most reliable determination of a motorcycle’s year.
Why this matters for buyers and collectors
Accurate model-year dating affects value, compatibility of parts, resale terms, and insurance classifications. Buyers should verify the year from multiple sources to avoid misrepresentation and ensure proper maintenance planning.
Final summary
The model year is encoded in the 10th character of a motorcycle’s 17-character VIN, with codes that cycle every 30 years. Decode the 10th character, then verify against frame/engine stamps and official records to determine the exact year. This cross-checking is essential for accuracy, especially when the code could correspond to more than one year in different decades.