Yamaha
Yamaha 66E-1131S-10-00 - Valve assembly is a genuine Yamaha part. It is an OEM replacement component listed for 8 Yamaha models from 1998 through 2005, including the WaveRunner GP800, WaveRunner GP800R, WaveRunner GP1200, and others. Using the correct Yamaha part number helps maintain factory fit and compatibility.Key Features & Benefits Genuine Yamaha OEM part, factory part number 66E-1131S-10-00, manufactured for compatible Yamaha applications. Designed around Yamaha specifications, dimensions, and the surrounding factory assembly. Supports correct internal engine movement, sealing, alignment, mounting, or component operation. Suitable for routine maintenance, restoration, or repair when this part number is specified for the model. Fits These Yamaha Models GP800 WaveRunner GP800 - 1998-2000 GP800A WaveRunner GP800R - 2001-2005 GP1200 WaveRunner GP1200 - 2000-2002 XA800 WaveRunner XL800 - 2000-2001 View More - see the Specifications tab for full compatibility details Frequently Asked QuestionsWhat is Yamaha part 66E-1131S-10-00?66E-1131S-10-00 is the Yamaha Valve assembly, a genuine Yamaha part listed for 8 Yamaha models from 1998 through 2005.Is 66E-1131S-10-00 a genuine Yamaha part?Yes, this valve assembly is a genuine Yamaha part, sold under Yamaha part number 66E-1131S-10-00.Which Yamaha models fit 66E-1131S-10-00?66E-1131S-10-00 fits the GP800 WaveRunner GP800 (1998-2000), GP800A WaveRunner GP800R (2001-2005), GP1200 WaveRunner GP1200 (2000-2002), and XA800 WaveRunner XL800 (2000-2001), along with 4 additional models listed in the Specifications tab. Confirm exact SKU and model year compatibility before ordering.
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