I have 2 Seadoos but my 97 SPX is a problem getting it running. Once it starts it generally runs pretty well. New or freshly cleaned spark plugs usually does the trick. The plugs get wet (oil?) so I have 3 sets and clean them and rotate but it seems to be getting worse. The battery gets run down trying to start it so we have to change batteries and plugs every morning. I thought going to a hotter plug might help but there seems to be some pretty good mechanics on this forum so I'm looking for any suggestions. I've seen a few posts that discuss RAVES. What are they and could they cause hard starting?