Yamaha 4C8-11603-01-00 - Piston Ring Set (Std) is a genuine Yamaha part. It replaces a worn or damaged engine component with the specified Yamaha part. Use part number 4C8-11603-01-00 to confirm it matches the component shown in your model's Yamaha parts diagram.

---

Key Features & Benefits

• Replaces worn, scored, or damaged engine components.
• Installs in the position shown in the Yamaha engine parts diagram.
• Built to Yamaha's specification for its engine location.
• Size designation Std as listed by Yamaha; confirm the required size with service manual measurements.
• Sold under Yamaha part number 4C8-11603-01-00.

---

Frequently Asked Questions

Is 4C8-11603-01-00 a genuine Yamaha part?

Yes. 4C8-11603-01-00 is the Yamaha part number for the Piston Ring Set (Std). It is an internal engine component built to Yamaha's specification.

What does the Std size on part 4C8-11603-01-00 mean?

STD indicates the standard-size version of part 4C8-11603-01-00. Oversize or undersize versions are listed separately for use after machining or when wear calls for them; confirm the size you need using the Yamaha service manual.

Which Yamaha models use the Piston Ring Set (Std), part 4C8-11603-01-00?

Model and year fitment data is not listed for 4C8-11603-01-00 on this page. Look up your model's Yamaha parts diagram and confirm that it lists part 4C8-11603-01-00 before ordering.

---

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.