Yamaha JT4-78389-00-00 - Case 2 is a genuine Yamaha part. It replaces a cracked, broken, or missing cover in its factory location. Confirm part number JT4-78389-00-00 against your Yamaha parts diagram before ordering.

---

Key Features & Benefits

• Mounts in the factory location using the original mounting points.
• Encloses and shields the components behind it.
• Replaces a cracked, scratched, or missing cover.
• The 2 in the name separates this part from others that share the same name, so order by part number JT4-78389-00-00.
• Sold under Yamaha part number JT4-78389-00-00.

---

Frequently Asked Questions

What is the Yamaha Case 2 (JT4-78389-00-00)?

The Case 2 is a genuine Yamaha part sold under part number JT4-78389-00-00. It is a cover that encloses or shields the components beneath it.

Why is there a 2 in the name Case 2 (JT4-78389-00-00)?

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 JT4-78389-00-00 rather than by name.

How can I check that the Case 2 (JT4-78389-00-00) is the right part for my vehicle?

Find the Case 2 in the Yamaha parts diagram for your exact model and year and confirm the part number shown matches JT4-78389-00-00. A Yamaha dealer can also verify it with your model or VIN.

---

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.