Yamaha F2C-U591C-00-00 Case Cap is a genuine Yamaha plug or cap. It is designed for the factory opening, port, or connection point on compatible models. It is listed for 28 Yamaha model and model-year applications spanning model years 2009–2024.

Key Features

• Purpose: Replaces a damaged, worn, loose, or missing original cap or plug.
• Design: Size and installation location are specific to the listed models.
• Fitment: Specified for 28 Yamaha model and model-year applications, listed in the compatibility section below.
• Part Number: Sold as genuine Yamaha part number F2C-U591C-00-00.

Engine & Boat Compatibility

• FA1800 WaveRunner FX SHO (2013-2015)
• FA1800A WaveRunner FX Cruiser SHO (2013-2016)
• FB1800 WaveRunner FX HO (2012-2021)
• FB1800A WaveRunner FX Cruiser HO (2012-2019, 2021)
• FC1800 WaveRunner FX Cruiser SVHO (2016)
• FC1800 WaveRunner FX SVHO (2014-2021)
• FC1800A WaveRunner FX Cruiser SVHO (2014-2015, 2017-2019, 2021)
• FC1800B WaveRunner FX Limited SVHO (2017-2021)
• FX1800 WaveRunner FX Cruiser SHO (2012)
• FX1800 WaveRunner FX SHO (2012)
• FX1800 WaveRunner FX SVHO (2024)
• FX1800A WaveRunner FX Cruiser SVHO (2024)
• FX1800B WaveRunner FX Limited SVHO (2024)
• FX1900 WaveRunner FX Cruiser HO (2024)
• GP1800 (2017-2018)
• GX1800 WaveRunner FZR (2009-2016)
• GX1800A WaveRunner FZS (2009-2016)
• VX1050 WaveRunner VX-C (2020)
• VX1050A WaveRunner VX Cruiser (2016, 2019-2020)
• VX1050B WaveRunner VX Deluxe (2016)
• VX1050C WaveRunner VX (2016-2017, 2019-2020)
• VX1050F WaveRunner VX Limited (2016, 2019-2020)
• VX1100A WaveRunner VX Cruiser (2015)
• VX1100B WaveRunner VX Deluxe (2015)
• VX1100C WaveRunner VX (2015)
• VX1800 WaveRunner VX Cruiser HO (2016-2017, 2019-2020)
• VX1800AK WaveRunner VXR (2015-2019)
• VX1800K WaveRunner VXS (2015-2016)

Performance & Real-World Benefits

A missing or loose cap leaves an opening or port exposed. Replacing it restores the original closure at that point.

Why Choose Yamaha OEM

The Yamaha part number confirms the correct size and installation location for the listed models.

FAQ

Q1: Is F2C-U591C-00-00 a genuine Yamaha OEM part?

Yes. This listing is for genuine Yamaha part number F2C-U591C-00-00, intended for the applications listed in the compatibility section.

Q2: How do I confirm this case cap fits my Yamaha?

Match your exact model and model year to the Engine & Boat Compatibility list above, then verify part number F2C-U591C-00-00 against the applicable Yamaha parts diagram.

Q3: Should a seal or O-ring be replaced with this cap or plug?

Check the Yamaha parts diagram for any separate seal, gasket, or O-ring used with the component and replace worn sealing parts as required.

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.