Yamaha 7RH-11604-00-00 - Piston Ring Set (0.25MM O-S) is a genuine Yamaha part. This engine part is one of the internal components that keep the engine running as designed. Use part number 7RH-11604-00-00 to confirm it matches the component shown in your model's Yamaha parts diagram.

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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 0.25MM O-S as listed by Yamaha; confirm the required size with service manual measurements.

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Frequently Asked Questions

What is Yamaha part 7RH-11604-00-00?

7RH-11604-00-00 is the Yamaha part number for the Piston Ring Set (0.25MM O-S), a genuine Yamaha part. It replaces a worn or damaged engine component with the specified Yamaha part.

What does the 0.25MM O-S size on part 7RH-11604-00-00 mean?

O-S marks an oversize part and U-S an undersize part. Yamaha lists 7RH-11604-00-00 as 0.25MM 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 (0.25MM O-S), part 7RH-11604-00-00?

Model and year fitment data is not listed for 7RH-11604-00-00 on this page. Look up your model's Yamaha parts diagram and confirm that it lists part 7RH-11604-00-00 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.