My dad recently passed and the last time he had his boat out, in the fall he was having issues with it getting on pad. I'm going to need to sale it to help payoff some bills so looking to see if I can fix it. He said it started and idle fine, when trying to put in on plane it would only turn about 2500 RPM's. He could put it in neutral and rev the motor to 3500-4K and it sounded good/strong. I know the injectors have been by-passed and he mixed his own oil. If you have any suggestion on what to look at would be very much appreciated.
Thank you!