Yamaha 5BN-21721-01-Y9 - Side Cover 2 is a genuine Yamaha part. It is a cover that encloses or shields the components beneath it. Confirm part number 5BN-21721-01-Y9 against your Yamaha parts diagram before ordering.

---

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 5BN-21721-01-Y9.
• Sold under Yamaha part number 5BN-21721-01-Y9.

---

Frequently Asked Questions

What is the Yamaha Side Cover 2 (5BN-21721-01-Y9)?

The Side Cover 2 is a genuine Yamaha part sold under part number 5BN-21721-01-Y9. 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 (5BN-21721-01-Y9)?

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 5BN-21721-01-Y9 rather than by name.

What does the Side Cover 2 (5BN-21721-01-Y9) protect?

The Side Cover 2 encloses the components behind it in the location shown for part 5BN-21721-01-Y9 in the Yamaha parts diagram, helping shield them from debris, moisture, and contact.

---

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.