Yamaha F1W-U491K-01-00 Special Bolt is a genuine Yamaha hardware component. It is sized for the factory-specified location on compatible models, helping keep the surrounding assembly secured as Yamaha intended. It is listed for 9 Yamaha model and model-year applications for the 2024 model year. Yamaha's parts catalog also lists it on diagrams for 5 additional marine models. Yamaha has superseded this part number with F7K-U491K-00-00.

Key Features

• Purpose: Secures the surrounding assembly at its factory-specified installation point.
• Design: Sized for the specified location, where visually similar hardware can use different dimensions or specifications.
• Fitment: Specified for 9 Yamaha model and model-year applications, listed in the compatibility section below.
• Part Number: Sold as genuine Yamaha part number F1W-U491K-01-00.
• Supersession: Yamaha has replaced part number F1W-U491K-01-00 with F7K-U491K-00-00.

Engine & Boat Compatibility

• FX1800 WaveRunner FX SVHO (2024)
• FX1800A WaveRunner FX Cruiser SVHO (2024)
• FX1800B WaveRunner FX Limited SVHO (2024)
• FX1900 WaveRunner FX Cruiser HO (2024)
• GP1800 GP SVHO (2024)
• VX1050A WaveRunner VX Cruiser (2024)
• VX1050B WaveRunner VX Deluxe (2024)
• VX1050C WaveRunner VX (2024)
• VX1050F WaveRunner VX Limited (2024)
• EX DELUXE (EX1050AA 2024)
• GP HO WAUDIO (GP1900AB 2025)
• VX-C (VX1050GB 2025)
• VX LIMITED HO (VX1900AA 2024)
• VX CRUISER HO WAUD (VX1900BB 2025)

Performance & Real-World Benefits

Missing, corroded, or damaged hardware can leave an assembly loose or improperly secured. Replacing it with the correct part restores the original fastening at that installation point.

Why Choose Yamaha OEM

Fasteners that look similar can differ in thread, length, shoulder, finish, or intended location; matching the Yamaha part number keeps the repair to the factory specification.

FAQ

Q1: Has part number F1W-U491K-01-00 been superseded?

Yes. Yamaha has superseded F1W-U491K-01-00 with F7K-U491K-00-00. Confirm the current part number against the Yamaha parts diagram before ordering.

Q2: How do I confirm this special bolt fits my Yamaha?

Match your exact model and model year to the Engine & Boat Compatibility list above, then verify part number F1W-U491K-01-00 against the applicable Yamaha parts diagram.

Q3: Can I replace this with generic hardware?

For an OEM-style repair, match the Yamaha part number. Fasteners that look similar can differ in thread, length, shoulder, finish, or intended installation location.

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.