[Gregs2222]

Hi. I'm new w/jetski so my question is rpm on start is 1800 them after 2 min dropt 1700 and stay like this ,this is correct? No too high?but is fast aprox 50-60mph easy.
when i'm flushing there is strange noise like zzzzzzwwwrr on the back bottom?

 

[Outlaw]

If you are running it on a trailer it is normal to hear a little rattle. Just the impeller not getting any water since the intake grate is not submersed,