i think you need to describe what the engines sound like when they cut out.
The engines fire up and idle fine, also will rev up to 3500RPM no problem. When i however return both to idle and start to push the stick Forward both engines will just shut off.
I also had a Key made, as i lost the orginial Key. This key beep 2 times when in plug it in. If the Boat is in Forward the key beeps 4 times and want start, as expected. Once i put in Neutral engines Fire up and will run up to 3500 no problem.
Leak issue: Yes, you are correct its the portside engines exhaust rubber boot. It is crack and allows water to come in. I gotta fix that before i take it out. All my test are being done on the trailer.
Im just frustrated with the Boat at this point. No ones been able to fix it. Seadoo doesn't make this particular Boat and im not going to spend a small fortune trying to get it running correctly again. Note: The only time it would run and allow engines to stay running when putting in forward was when the Netural Safety switch bypassed, but it still wouldnt go past 3500 rpm. Thats just not going to even get boat up off plain. Seadoo doesnt stand behind their products, so ill never purchase another one. At this point im consider parting the boat out, selling it as
the wire used for the neutral switch is very thin and can easily get broken (or could have become a meal for a mouse) so test continuity on the wires as well.
The Netural Safety Switch appears to be fine, as its not allowing engines to start unless its in Netural. Not sure why after biats is running pushing the forward kills both engines, but when this switch was bypassed moving them forward at idle would not cause this. I however read that you Can't bypass the Netural Safety switch or it want go past 3500 RPM until the boat is in forward gear, so in my case its running at idle but with safety switch wired i cant put boat in fwd gear without both engines cutting off.