Yamaha 1C3-11630-00-00 - YZ125/YZ125X Piston Kit is a service part that includes piston, ring, circlips, and wrist pin for maintenance of select Yamaha motocross motorcycles.

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Key Features & Benefits

• Genuine Yamaha kit — piston, ring, circlips, and wrist pin included
• High-quality forged aluminum piston construction
• Proven OEM fitment, durability, and reliability
• Restores factory compression and throttle response
• Straightforward drop-in replacement during a top-end rebuild
• Matched components eliminate bore/clearance guesswork

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Fits These Yamaha Models

Yamaha Model	Compatible Years
YZ125	2005-2021
YZ125X	2020-2022

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Frequently Asked Questions

What is Yamaha part 1C3-11630-00-00?

1C3-11630-00-00 is the Yamaha YZ125/YZ125X Piston Kit, a service part that includes a piston, ring, circlips, and wrist pin for engine maintenance.

What type of Yamaha part is 1C3-11630-00-00?

It is a piston kit classified as a service part for specific Yamaha motocross models.

Which Yamaha models fit 1C3-11630-00-00?

This piston kit fits Yamaha YZ125 models from 2005 through 2023 and YZ125X models from 2020 to 2023. Confirm the exact model year and SKU 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.