2010 RTX 260 RS won't wake when hot randomly

[dryriverliver]

Hi guys I have not long had this ski but have been caught out on the water a few times now after a descent run, in for a swim and ski is dead took it to the local Sea Doo dealer (an hour away) to be told a loose battery terminal and charged $175 the terminal was probably loose from where I took it off on the water trying to trouble shoot after an hour it starts fine when cold wakes and starts first time every time any ideas where I should start looking to troubleshoot
Thanks for any ideas as I am lost

 

[AircraftDoc]

The battery is bad. Replace with a AGM sealed battery.
I had a battery that would start fine the first time, then fail after that.
Charge the battery, then leave it overnight. Then stress test it. It will fail.
Important, don't stress test the battery right after a charge. A good battery will hold a charge for months.

 

[dryriverliver]

Thanks for your reply it is taken me awhile to reply as I had to get the new battery and take it for a run I did that yesterday ran it hard switched it off a few times and it ran like a dream and even seemed much more responsive many thanks for that

 

[dryriverliver]

I would've thought for what the dealer charged me he would of checked that thanks again