Yamaha 7D3-11610-20-00 - Piston Ring Set (0.50MM O-S) is a genuine Yamaha part. It is an internal engine component built to Yamaha's specification. Use part number 7D3-11610-20-00 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 0.50MM O-S as listed by Yamaha; confirm the required size with service manual measurements.
• Sold under Yamaha part number 7D3-11610-20-00.

---

Frequently Asked Questions

Is 7D3-11610-20-00 a genuine Yamaha part?

Yes. 7D3-11610-20-00 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 7D3-11610-20-00 mean?

O-S marks an oversize part and U-S an undersize part. Yamaha lists 7D3-11610-20-00 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.

Should related parts be replaced with the Piston Ring Set (0.50MM O-S), part 7D3-11610-20-00?

When replacing engine internals, inspect mating parts and replace gaskets and seals disturbed during disassembly. Refer to the Yamaha service manual for your model when installing 7D3-11610-20-00.

---

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.