Hello, I just bought a 2003 Trophy 2302 200hp EFI Mercury outboard. My question is, I can't get the boat to goes pass 30mph. it have a Mercury mirage Plus 15 3/4 X 15 P Stainless steel running around 25-30mph @ 5000-5200 rpm WOT. I've been reading that some get it to go upto 40mph WOT ...