Yamaha YA2-63235-03-27 - Piston Ring Set (0.50MM O-S) is a genuine Yamaha part. It is an internal engine component built to Yamaha's specification. Confirm part number YA2-63235-03-27 against your Yamaha parts diagram before ordering.

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Key Features & Benefits

• Built to Yamaha's specification for its engine location.
• Replaces worn, scored, or damaged engine components.
• Installs in the position shown in the Yamaha engine parts diagram.
• Size designation 0.50MM O-S as listed by Yamaha; confirm the required size with service manual measurements.
• Sold under Yamaha part number YA2-63235-03-27.

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Frequently Asked Questions

Is YA2-63235-03-27 a genuine Yamaha part?

Yes. YA2-63235-03-27 is the Yamaha part number for the Piston Ring Set (0.50MM O-S). This engine part is one of the internal components that keep the engine running as designed.

What does the 0.50MM O-S size on part YA2-63235-03-27 mean?

O-S marks an oversize part and U-S an undersize part. Yamaha lists YA2-63235-03-27 as 0.50MM O-S, which is used when the mating part has been machined or worn to match. Measure and confirm the required size using the Yamaha service manual.

Which Yamaha models use the Piston Ring Set (0.50MM O-S), part YA2-63235-03-27?

Model and year fitment data is not listed for YA2-63235-03-27 on this page. Look up your model's Yamaha parts diagram and confirm that it lists part YA2-63235-03-27 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.