Yamaha 17D-25451-50-00 - Sprocket is a Yamaha accessory designed for service and maintenance applications on select Yamaha dirt bike models.

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Key Features & Benefits

• Genuine Yamaha OEM fitment — precision-matched tooth profile and hub dimensions for a direct bolt-on fit
• Manufactured to Yamaha's factory tolerances for consistent chain engagement
• Reliable power transfer — precise tooth spacing reduces chain slap and uneven wear
• Confidence in fit — avoids the tolerance issues sometimes seen with generic aftermarket sprockets

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Fits These Yamaha Models

Yamaha Model	Compatible Years
YZ125	2015-2021
YZ125X	2020-2022
YZ250	2015-2021
YZ250F	2010-2021
YZ250FX	2015-2021
YZ250X	2016-2022
YZ450F	2010-2021
YZ450FX	2016-2021

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Frequently Asked Questions

What is Yamaha part 17D-25451-50-00?

17D-25451-50-00 is the Yamaha Sprocket, an accessory part designed for service and maintenance use on select Yamaha dirt bike models.

What is Yamaha 17D-25451-50-00 used for?

This sprocket is used as a replacement rear sprocket for Yamaha YZ and WR model dirt bikes within specified model years.

Which Yamaha models fit 17D-25451-50-00?

This sprocket fits Yamaha YZ125, YZ125X, YZ250, YZ250F, YZ250FX, YZ250X, YZ450F, and YZ450FX models from 2010 through 2022. Confirm exact SKU and model year before ordering.

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WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.