Yamaha JB3-46421-00-00 - Ring Gear is a genuine Yamaha part. This engine part is one of the internal components that keep the engine running as designed. Match part number JB3-46421-00-00 to the Yamaha parts diagram for your model to confirm it is the component you need.

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Key Features & Benefits

• Installs in the position shown in the Yamaha engine parts diagram.
• Built to Yamaha's specification for its engine location.
• Replaces worn, scored, or damaged engine components.

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Frequently Asked Questions

What part does Yamaha number JB3-46421-00-00 refer to?

Yamaha number JB3-46421-00-00 identifies the Ring Gear, a genuine Yamaha part. It replaces a worn or damaged engine component with the specified Yamaha part.

Where does the Ring Gear (JB3-46421-00-00) fit in the engine?

The Ring Gear installs in the engine location shown for part JB3-46421-00-00 in the Yamaha parts diagram for your model.

Should related parts be replaced with the Ring Gear (JB3-46421-00-00)?

When replacing engine internals, inspect mating parts and replace gaskets and seals disturbed during disassembly. Refer to the Yamaha service manual for your model when installing JB3-46421-00-00.

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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.