Yamaha B74-E5421-01-00 - Crankcase Cover 2 is a genuine Yamaha part. It replaces a cracked, broken, or missing cover in its factory location. Match part number B74-E5421-01-00 to the Yamaha parts diagram for your model to confirm it is the component you need.

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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 B74-E5421-01-00.
• Sold under Yamaha part number B74-E5421-01-00.

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Frequently Asked Questions

What is the Yamaha Crankcase Cover 2 (B74-E5421-01-00)?

The Crankcase Cover 2 is a genuine Yamaha part sold under part number B74-E5421-01-00. It is a cover that encloses or shields the components beneath it.

Why is there a 2 in the name Crankcase Cover 2 (B74-E5421-01-00)?

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 B74-E5421-01-00 rather than by name.

How do I confirm B74-E5421-01-00 fits my Yamaha?

Model fitment is not listed for part B74-E5421-01-00 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.