Yamaha 90204-18S00-00 Washer 1/2In. Lock 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 26 Yamaha model and model-year applications spanning model years 2000–2019.

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 26 Yamaha model and model-year applications, listed in the compatibility section below.
• Part Number: Sold as genuine Yamaha part number 90204-18S00-00.

Engine & Boat Compatibility

• ELT1050 210 FSH (2018)
• LAT1100 AR210 (2014-2015)
• LBT1050 AR210 (2018-2019)
• LST1200 LS2000 (2000-2003)
• LST1200 LX2000 (2002)
• LST1200A LX210 (2003-2005)
• LST1200B LX210 (2003)
• LST1200D AR210 (2003-2005)
• RM1800 AR192 (2013-2016)
• RM1800 SX192 (2013-2015)
• RP1800 AR195 (2017-2018)
• RP1800 SX195 (2017)
• RX1800 AR190 (2012-2017)
• RX1800 SX190 (2012-2018)
• SAT1800 AR240 HO (2017)
• SAT1800 SX240 HO (2017)
• SH1800 190 FSH (2016-2018)
• SH1800 190 FSH Deluxe (2016-2018)
• SH1800 190 FSH Sport (2016-2018)
• SXT1800 242 Limited S (2014)
• SXT1800 AR240 HO (2014)
• XAT1800 212X (2014-2016)
• XBT1800 212 Limited (2017-2019)
• XBT1800 212 Limited S (2017-2019)
• XBT1800 212X (2017-2019)
• XRT1200 XR1800 (2000-2001)

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: Is 90204-18S00-00 a genuine Yamaha OEM part?

Yes. This listing is for genuine Yamaha part number 90204-18S00-00, intended for the applications listed in the compatibility section.

Q2: How do I confirm this washer 1/2In. lock fits my Yamaha?

Match your exact model and model year to the Engine & Boat Compatibility list above, then verify part number 90204-18S00-00 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.

• Supersessions
  9201S-A2000-00