Yamaha YF1-26572-19-20 - Piston (0.25MM O-S) is a genuine Yamaha part. It replaces a worn or damaged engine component with the specified Yamaha part. Ordering by part number YF1-26572-19-20 ensures you receive the exact component Yamaha lists for its location.

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Key Features & Benefits

• Installs in the position shown in the Yamaha engine parts diagram.
• Built to Yamaha's specification for its engine location.
• Replaces worn, scored, or damaged engine components.
• Size designation 0.25MM O-S as listed by Yamaha; confirm the required size with service manual measurements.
• Sold under Yamaha part number YF1-26572-19-20.

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Frequently Asked Questions

What is Yamaha part YF1-26572-19-20?

YF1-26572-19-20 is the Yamaha part number for the Piston (0.25MM O-S), a genuine Yamaha part. It is an internal engine component built to Yamaha's specification.

What does the 0.25MM O-S size on part YF1-26572-19-20 mean?

O-S marks an oversize part and U-S an undersize part. Yamaha lists YF1-26572-19-20 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.

Where does the Piston (0.25MM O-S), part YF1-26572-19-20, fit in the engine?

The Piston (0.25MM O-S) installs in the engine location shown for part YF1-26572-19-20 in the Yamaha parts diagram for your model.

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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.