Yamaha 42X-21721-00-4B - Side Cover 2 is a genuine Yamaha part. It is a cover that encloses or shields the components beneath it. Ordering by part number 42X-21721-00-4B ensures you receive the exact component Yamaha lists for its location.

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Key Features & Benefits

• Encloses and shields the components behind it.
• Replaces a cracked, scratched, or missing cover.
• Mounts in the factory location using the original mounting points.
• The 2 in the name separates this part from others that share the same name, so order by part number 42X-21721-00-4B.

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Frequently Asked Questions

What part does Yamaha number 42X-21721-00-4B refer to?

Yamaha number 42X-21721-00-4B identifies the Side Cover 2, a genuine Yamaha part. This cover protects the parts behind it and restores the finished look of the area it covers.

Why is there a 2 in the name Side Cover 2 (42X-21721-00-4B)?

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 42X-21721-00-4B rather than by name.

How do I confirm 42X-21721-00-4B fits my Yamaha?

Model fitment is not listed for part 42X-21721-00-4B 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.