Yamaha Gear Unit Assembly 6ET-17800-00-00 – OEM SVHO/GP1800R/FX/275 Series Gear Unit Replacement Superseded to 99999-04514-00

Yamaha Gear Unit Assembly 6ET-17800-00-00 is a genuine OEM replacement component designed for Yamaha WaveRunner SVHO models and select Yamaha 19’–27’ boats powered by the 1800cc High Output and Super Vortex High Output engines. This factory-engineered gear unit restores proper crankshaft and driveline synchronization to maintain peak performance, reliability, and long-term durability.

Manufactured to Yamaha’s strict OEM specifications, this assembly ensures precise fitment, smooth gear engagement, and optimal engine output under high-load conditions common in performance watercraft like the GP1800R, FX SVHO, and 275 Series jet boats.

✅ Key Features

• Genuine Yamaha OEM Gear Unit Assembly – Part Number 6ET-17800-00-00

• Designed for SVHO & HO 1.8L engines used in WaveRunners and Yamaha Boats

• Ensures proper drivetrain timing and smooth gear performance

• Direct replacement for worn, damaged, or failed gear units

• Built for high-performance applications such as GP1800R, FX SVHO, FZR/FZS, and Yamaha 275 Series twin-engine boats

? Compatible Models (Crankshaft/Driveline Applications)

Yamaha WaveRunner

• 2014 FX Cruiser SVHO – FC1800AN

• 2014 FZS – GX1800AN

• 2014 FZR – GX1800N

• 2015 FX SVHO – FC1800P

• 2015 FX Cruiser SVHO – FC1800AP

• 2015 FZR – GX1800P

• 2015 FZS – GX1800AP

• 2016 FX SVHO – FC1800R

• 2016 FX Cruiser SVHO – FC1800AR

• 2016 FZR – GX1800R

• 2016 FZS – GX1800AR

• 2017 FX Cruiser SVHO – FC1800AS

• 2017 FX Limited SVHO – FC1800BS

• 2017 GP1800 – GP1800S

• 2017 FX SVHO – FC1800S

• 2018 FX Cruiser SVHO – FC1800AT

• 2018 FX Limited SVHO – FC1800BT

• 2018 FX SVHO – FC1800T

• 2018 GP1800 – GP1800T

• 2019 GP1800R – GP1800U

• 2019 FX Cruiser SVHO – FC1800AU

• 2019 FX Limited SVHO – FC1800BU

• 2019 FX SVHO – FC1800U

• 2020 GP1800R SVHO – GP1800V

• 2020 FX Cruiser SVHO – FC1800AV

• 2020 FX Limited SVHO – FC1800BV

• 2020 FX SVHO – FC1800V

• 2021 GP1800R SVHO – GP1800AW

• 2021 GP1800R SVHO w/ Audio – GP1800CW

Yamaha Boats

• 2017 AR195 – RP1800AS

• 2017 SX195 – RP1800BS

• 2018 AR195 – RP1800AT

• 2018 SX195 – RP1800BT

• 2019 AR195 – TP1800AU

• 2019 SX195 – TP1800BU

• 2019 275E – FPT1800CU

• 2019 275SE – FPT1800BU

• 2019 275SD – FPT1800AU

• 2020 AR195 – TP1800AV

• 2020 195FSH Deluxe – UP1800BV

• 2020 195FSH Sport – UP1800AV

• 2020 SX195 – TP1800BV

• 2020 195S – TP1800CV

• 2020 275E – FPT1800CV

• 2020 275SE – FPT1800BV

• 2020 275SD – FPT1800AV

? Why Choose OEM Yamaha 6ET-17800-00-00?

Using genuine Yamaha components ensures proper fitment, reliability, and long-term performance—critical for high-RPM SVHO and HO engines. This replacement gear unit is the correct solution for driveline noise, excessive backlash, rough engagement, or internal wear.