Yamaha 99999-03121-00 - Muffler 2 is a genuine Yamaha part. This part works within the exhaust system to carry exhaust gases away from the engine. Confirm part number 99999-03121-00 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 2 in the name separates this part from others that share the same name, so order by part number 99999-03121-00.

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Frequently Asked Questions

Is 99999-03121-00 a genuine Yamaha part?

Yes. 99999-03121-00 is the Yamaha part number for the Muffler 2. It replaces a damaged or corroded exhaust component with the specified Yamaha part.

Why is there a 2 in the name Muffler 2 (99999-03121-00)?

Yamaha adds numbers to parts that share a name so each one can be told apart. The 2 does not indicate quantity, so order by the full part number 99999-03121-00 rather than by name.

When should the Muffler 2 (99999-03121-00) be replaced?

Replace part 99999-03121-00 when the Muffler 2 is cracked, leaking, corroded through, or damaged.

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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.