Yamaha 7H5-11636-00-00 - Piston (2ND O-S) 62.50MM is a genuine Yamaha part. It replaces a worn or damaged engine component with the specified Yamaha part. Confirm part number 7H5-11636-00-00 against your Yamaha parts diagram before ordering.

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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 2ND O-S as listed by Yamaha; confirm the required size with service manual measurements.
• Sold under Yamaha part number 7H5-11636-00-00.

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Frequently Asked Questions

Is 7H5-11636-00-00 a genuine Yamaha part?

Yes. 7H5-11636-00-00 is the Yamaha part number for the Piston (2ND O-S) 62.50MM. It is an internal engine component built to Yamaha's specification.

What does the 2ND O-S size on part 7H5-11636-00-00 mean?

O-S marks an oversize part and U-S an undersize part. Yamaha lists 7H5-11636-00-00 as 2ND 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.

How can I check that the Piston (2ND O-S) 62.50MM (7H5-11636-00-00) is the right part for my vehicle?

Find the Piston (2ND O-S) 62.50MM in the Yamaha parts diagram for your exact model and year and confirm the part number shown matches 7H5-11636-00-00. A Yamaha dealer can also verify it with your model or VIN.

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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.