The RIVA Engine Internals Upgrade Kit (part # RS10140-EIUK) delivers bulletproof reliability to the Sea-Doo 4-TEC 1630 engine in racing and high-boost applications. When you are pushing the 1630 to the limit and need maximum dependability, this is the internals upgrade built for it.
Fitment
2016–2023 Sea-Doo models with the 4-TEC 1630 engine (300 and 325 applications).
