Yamaha 1S4-11311-00-A0 - Cylinder 1 is a genuine Yamaha part. It replaces a worn or damaged engine component with the specified Yamaha part. Confirm part number 1S4-11311-00-A0 against your Yamaha parts diagram before ordering.

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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.
• The 1 in the name separates this part from others that share the same name, so order by part number 1S4-11311-00-A0.

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Frequently Asked Questions

Is 1S4-11311-00-A0 a genuine Yamaha part?

Yes. 1S4-11311-00-A0 is the Yamaha part number for the Cylinder 1. It is an internal engine component built to Yamaha's specification.

Why is there a 1 in the name Cylinder 1 (1S4-11311-00-A0)?

Yamaha adds numbers to parts that share a name so each one can be told apart. The 1 does not indicate quantity, so order by the full part number 1S4-11311-00-A0 rather than by name.

How do I confirm 1S4-11311-00-A0 fits my Yamaha?

Model fitment is not listed for part 1S4-11311-00-A0 on this page. Compare the part number against the Yamaha parts diagram for your model and year, or confirm with a Yamaha dealer using your model or VIN 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.