Please wait...

How to Check Your Honda Motorcycle’s Year of Manufacture! Verified Methods via Registration Book and Chassis Number

How to Check Your Honda Motorcycle’s Year of Manufacture! Verified Methods via Registration Book and Chassis Number

26 Jan 2026

For anyone looking for a used Honda motorcycle or wanting to know the exact details of their own Honda bike, a common and important question is: How do I correctly check a Honda motorcycle's year of manufacture? Knowing the actual production year is very important because it affects the price evaluation, maintenance, and finding the right spare parts.

Today, as expert mechanics who have worked with Honda bikes for a long time, Motorwork will introduce 3 of the most detailed and accurate ways to check the production year that you can easily do yourself!


Why Should You Check the Manufacturing Year Before Buying or Selling?

Knowing the actual manufacturing year of a motorcycle is many times more important than the registration year. Accurate verification affects several factors of vehicle ownership:

  • Vehicle Value and Negotiation: The actual production year helps you evaluate a used bike’s price fairly and accurately according to market mechanisms. If the production year and registration year are far apart—for example, manufactured in late 2023 but registered in 2024—the buyer can use this information for reasonable price negotiations. (However, this part has no effect if you are purchasing a brand-new motorcycle.)
  • Technical Data and Spare Parts: Motorcycle sub-models often have changes in engine specs or design based on the production year (Minor Change), which may include changes to major part codes. Knowing the exact year helps mechanics order the correct parts, preventing maintenance errors.
  • Safety and Recalls: In some cases, manufacturers may issue a recall to fix defects found in bikes produced during a specific year. Knowing the clear production year allows you to quickly check if your bike is in the group that needs corrective action, which directly concerns safety.
  • Legal Accuracy: It helps confirm that the bike hasn't been modified or had key parts illegally swapped. Specifically, checking that the VIN (Chassis Number) on the frame matches the information in the registration book prevents potential legal issues in the future.

Detailed Methods to Check Your Honda Motorcycle's Manufacturing Year

Generally, you can check a Honda motorcycle's production year from 3 main reliable sources. Each method has different advantages and limitations as follows:

Method 1: Check the "Registration Manual" (Green Book)

This is the fastest and most reliable initial method. In the Green Book, there is information that can be used to check the production year. Open it to the "Vehicle Details" page (usually one of the first pages) and look for the heading "Year of Manufacture." This is the year the vehicle officially left the factory and was recorded by the Department of Land Transport.

However, a caution for this method: while the production year data in the Green Book is rarely incorrect, for maximum certainty, Motorwork recommends confirming it with the chassis number (VIN) again.

Method 2: Decode the "Chassis Number" (VIN - Vehicle Identification Number)

This is the most accurate and international standard method for checking a Honda motorcycle's production year.

1. Locate the VIN: The VIN is a 17-digit set of letters and numbers. It can be found at:

  • The Steering Neck: Near the handlebars or in the area where you must turn the handlebars fully to see it.
  • The Vehicle Frame: Under the seat or on a metal plate attached to the frame.
  • Tax Sticker: The VIN is also specified on the annual circular tax sticker.

2. Interpreting the Year Code: In a 17-digit VIN, the character indicating the production year is at position 10. These characters are used as universal year codes. Example of reading the year code (10th position):

10th VIN Position Manufacturing Year
G 2016
H 2017
J 2018
K 2019
L 2020
M 2021
N 2022
P 2023
R 2024
S 2025

Example: If the 10th VIN character is "M," it means the bike was produced in 2021. This is usually the most accurate way to check a motorcycle's production year. However, you must also check the model and brand, as year verification methods may vary by manufacturer.

Method 3: Check the "Manufacturer Plate" (Plate Tag)

This plate is a useful secondary source for confirming information:

  • Location: Usually a metal plate or sticker stating technical details, attached to the steering neck or under the seat.
  • Information Displayed: In addition to the VIN, some models and manufacturing countries may clearly specify the Month and Year of Manufacture directly on this plate.
  • Usage: Use it to compare with the registration book and VIN to ensure the production year information is consistent across all parts.

Expert Tip! What Is the Difference Between "Production Year" and "Registration Year"?

Many people confuse the production year with the registration year. Therefore, Motorwork wants to emphasize that the ‘Production Year’ is NOT equal to the ‘Registration Year.’ Understanding these two is vital, especially when considering a used bike, sending it for repair, or buying spare parts.

  • Production Year (Manufacture Year): The year the vehicle was fully assembled and passed quality checks from the factory. It serves as the base for identifying the sub-model (Model Year), technical specs, and as the main reference for ordering correct parts.
  • Registration Year: The year the owner submitted a request for registration with the Department of Land Transport to issue a license plate and legally start using it on the road. It is used to calculate annual taxes and is the date shown on the registration plate.

Generally, the difference between these two years can span several months or even 1-2 years if the bike remained in stock after production. The year buyers usually use to evaluate used prices is the Production Year; bikes produced in older years usually have lower resale value even if they have a newer registration year. Thus, when checking, rely on the "Production Year" or "Chassis Number" for valuation.

Regarding service center warranties, most start from the registration date or delivery date. However, in cases where a bike has been in stock for a long time, it might slightly affect warranty conditions. It’s best to ask for clear conditions from the service center.

Summary

Checking a Honda motorcycle's production year is not difficult. Simply verify it from the documents (Green Book) and confirm it with the chassis number code (VIN) to receive the most accurate information. This ensures confidence that the vehicle being bought or sold matches its advertised details and prevents later errors.

If you need help checking a Honda motorcycle's production year, or checking other models, including verifying VIN codes or inspecting vehicle condition, the Motorwork team is happy to provide consultations and detailed inspection services.

Contact Us:

???? Motorwork Ladprao 8 Branch
Open Mon - Sat (08:00 - 18:00)
???? 086-3459604, 02-938-4914

???? Motorwork Ladprao 44 Branch
Open Mon - Sat (08:30 - 18:00)
???? 090-886-0034

???? Motorwork Chokchai 4 Soi 47 Branch
Open Daily* (Mon - Sat 08.00 - 18.00 / *Sun 09.00 - 17.00)
???? 096-8614323

???? Motorwork Nuanchan Branch (Opposite Nuanchan Electricity Authority)
Open Daily* (Mon - Sat 08.00 - 18.00)

widget