Yamaha 7CT-E5121-00-00 - Crankcase 2 is a genuine Yamaha part. It is an internal engine component built to Yamaha's specification. Confirm part number 7CT-E5121-00-00 against your Yamaha parts diagram before ordering.

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Key Features & Benefits

• Replaces worn, scored, or damaged engine components.
• Installs in the position shown in the Yamaha engine parts diagram.
• Built to Yamaha's specification for its engine location.
• The 2 in the name separates this part from others that share the same name, so order by part number 7CT-E5121-00-00.

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Frequently Asked Questions

What part does Yamaha number 7CT-E5121-00-00 refer to?

Yamaha number 7CT-E5121-00-00 identifies the Crankcase 2, a genuine Yamaha part. This engine part is one of the internal components that keep the engine running as designed.

Why is there a 2 in the name Crankcase 2 (7CT-E5121-00-00)?

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 7CT-E5121-00-00 rather than by name.

How do I confirm 7CT-E5121-00-00 fits my Yamaha?

Model fitment is not listed for part 7CT-E5121-00-00 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.