I have a 2006 MasterCraft X2 with over 1600 Hrs. with MCX 5.7L EFI 350 GM. Recently the boat will not accelerate past 2000 RPMs when cold and when warm will slowly get to around 4200 RPMs. If I let off the throttle or turn sharply it will take a while to get back to 4200 RPMS. Top RPMs should be...
