Suzuki and Yamaha Motorcycle & ATV Model Year Code Letter Designations

Have you ever wondered how you can identify the model year of a Suzuki or Yamaha motorcycle or ATV?

Suzuki and Yamaha assign a year letter code to the end of each model name. Perhaps you’ve noticed this letter designation in your Suzuki or Yamaha repair manual or owners manual but weren’t sure what it meant.

Well here’s how it works: If you own a 1999 Suzuki GSX-R600X the X at the end tells us it was sold as a 1999 model year. Likewise, if you own a 2000 Yamaha YZ125M the M at the end tells us it was sold as a 2000 model. The year of manufacture is not necessarily the model year.

In descending order, the Suzuki and Yamaha year code letter designations are as follows:

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