Yamaha 7CT-E1635-00-00 - Piston (0.25MM O-S) is a genuine Yamaha part. It replaces a worn or damaged engine component with the specified Yamaha part. Confirm part number 7CT-E1635-00-00 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 0.25MM O-S as listed by Yamaha; confirm the required size with service manual measurements.
• Sold under Yamaha part number 7CT-E1635-00-00.

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Frequently Asked Questions

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

Yamaha number 7CT-E1635-00-00 identifies 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 7CT-E1635-00-00 mean?

O-S marks an oversize part and U-S an undersize part. Yamaha lists 7CT-E1635-00-00 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 (0.25MM O-S), part 7CT-E1635-00-00?

Model and year fitment data is not listed for 7CT-E1635-00-00 on this page. Look up your model's Yamaha parts diagram and confirm that it lists part 7CT-E1635-00-00 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.