Yamaha JB2-78439-00-00 - Seat Washer is a genuine Yamaha part. This hardware piece secures or locates mating parts as specified in the Yamaha parts diagram. Confirm part number JB2-78439-00-00 against your Yamaha parts diagram before ordering.

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Key Features & Benefits

• Secures or locates components in their factory position.
• Replaces lost, stripped, worn, or corroded hardware.
• Matches the hardware specified for this location in the Yamaha parts diagram.

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Frequently Asked Questions

What part does Yamaha number JB2-78439-00-00 refer to?

Yamaha number JB2-78439-00-00 identifies the Seat Washer, a genuine Yamaha part. It replaces lost, stripped, or corroded hardware with the specified Yamaha part.

Where is the Seat Washer (JB2-78439-00-00) used?

The Seat Washer is used in each location where part JB2-78439-00-00 appears in the Yamaha parts diagram for your model. The same hardware can appear in more than one assembly.

Why use the genuine Seat Washer (JB2-78439-00-00) instead of generic hardware?

Part JB2-78439-00-00 is the hardware Yamaha specifies for its location. Using the listed part avoids mismatched size, thread, length, or material.

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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.