Yamaha BYS-E4711-00-00 - Muffler 1 is a genuine Yamaha part. This part works within the exhaust system to carry exhaust gases away from the engine. Confirm part number BYS-E4711-00-00 against your Yamaha parts diagram before ordering.

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Key Features & Benefits

• Routes exhaust gases away from the engine.
• Replaces a cracked, dented, or corroded exhaust component.
• Built to Yamaha's specification for its location.
• The 1 in the name separates this part from others that share the same name, so order by part number BYS-E4711-00-00.
• Sold under Yamaha part number BYS-E4711-00-00.

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Frequently Asked Questions

What part does Yamaha number BYS-E4711-00-00 refer to?

Yamaha number BYS-E4711-00-00 identifies the Muffler 1, a genuine Yamaha part. It replaces a damaged or corroded exhaust component with the specified Yamaha part.

Why is there a 1 in the name Muffler 1 (BYS-E4711-00-00)?

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 BYS-E4711-00-00 rather than by name.

How can I check that the Muffler 1 (BYS-E4711-00-00) is the right part for my vehicle?

Find the Muffler 1 in the Yamaha parts diagram for your exact model and year and confirm the part number shown matches BYS-E4711-00-00. 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.