HI there. I found this website today looking for hard to find parts for my Polaris and they have manuals. I checked for your machine and they do have it. It's the Clymer Shop Manual which I have for my machine (different model than yours though) and it tells you how to fix most things but also explains the basics such as hooking it up to hose,
important do's and don'ts when doing that, etc. It's a great manual and I've been reading mine front to back and learning lots about my machine, well worth buying it. Or maybe look into your manual a little and check the section on off-season storage for how to properly hook it up and run it with a hose, etc.
SBT Jetski Engines, Parts & Accessories