Yamaha J42-78122-01-00 - Reinforcement 2 is a genuine Yamaha part. This frame part provides the structural mounting base for the components attached to it. Confirm part number J42-78122-01-00 against your Yamaha parts diagram before ordering.

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Key Features & Benefits

• Forms part of the vehicle's load-bearing structure.
• Provides mounting points for attached components.
• Replaces a bent, cracked, or corroded frame component.
• The 2 in the name separates this part from others that share the same name, so order by part number J42-78122-01-00.

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Frequently Asked Questions

What part does Yamaha number J42-78122-01-00 refer to?

Yamaha number J42-78122-01-00 identifies the Reinforcement 2, a genuine Yamaha part. It is a structural part that carries loads and locates the components mounted to it.

Why is there a 2 in the name Reinforcement 2 (J42-78122-01-00)?

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 J42-78122-01-00 rather than by name.

Should a damaged Reinforcement 2 (J42-78122-01-00) be repaired or replaced?

A bent or cracked structural part like the Reinforcement 2 affects how attached components align and carry load. Replacing it with genuine part J42-78122-01-00 restores the original structure.

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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.