So we have a 2011 Seadoo GTI 130. When purchased a few months ago we were informed that it needed a new battery casing(the plastic) in the front and possibly and oil leak somewhere. In February we started it up by just connecting a brand new battery to the terminals (which were very corroded) and pressing start. It started up good on the first few cranks (we were surprised) so we ordered the parts we needed for the battery casing and went from there. Additionally we took the battery out from February to now and stored it in the warm house, battery has since been checked with a multimeter and seems to be in good working condition even now. Now within the past few weeks we have installed the battery casing, cleaned the corroded terminals and relay, degreased and hosed down the engine bay, checked and replaced the spark plugs. When we went to start it, it just clicks and beeps now giving us a check engine light. We get 2 beeps (meaning the key is being read) but nothing after that. We have replaced the starter solenoid relay with a new one but still the same issue occurs. We have “jumped” the starter solenoid relay using 2 screwdrivers to bypass it and get the starter moving. At this point the starter sounds good but we don’t have any piston movement. We are stumped here and can’t seem to find a solution on any forums. We have cleaned and checked the keys and the connect for the keys, both seem good. We tried to connect an OBD II device to the diagnostics port using a converter but found that doesn’t work. Anyone have any ideas before we spend the $$$ on having a tech look into it or purchasing an expensive diagnostics tool to try and read the codes?