Riva termostat or oem?

[oste]

Hello i have a stock seadoo rxp 255 2008. I have both vales. Which one is the best to install on a stock rxp

 

[red2blue]

Hello i have a stock seadoo rxp 255 2008. I have both vales. Which one is the best to install on a stock rxp

View attachment 29897

I dunno at what temp the riva opens. I and many others have installed a merc 160* or thereabouts.

Why?...an inexpensive effort to combat heat fade in summer.