Yamaha 7HD-E1635-10-00 - Piston (0.25MM O-S) is a genuine Yamaha part. It is an internal engine component built to Yamaha's specification. Match part number 7HD-E1635-10-00 to the Yamaha parts diagram for your model to confirm it is the component you need.

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

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Frequently Asked Questions

What part does Yamaha number 7HD-E1635-10-00 refer to?

Yamaha number 7HD-E1635-10-00 identifies the Piston (0.25MM O-S), a genuine Yamaha part. This engine part is one of the internal components that keep the engine running as designed.

What does the 0.25MM O-S size on part 7HD-E1635-10-00 mean?

O-S marks an oversize part and U-S an undersize part. Yamaha lists 7HD-E1635-10-00 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.

How can I check that the Piston (0.25MM O-S), part 7HD-E1635-10-00, is the right part for my vehicle?

Find the Piston (0.25MM O-S) in the Yamaha parts diagram for your exact model and year and confirm the part number shown matches 7HD-E1635-10-00. 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.