2003 225 Mercury Optimax

by Matthew Davis
(New Orleans LA)

2003 225 Mercury Optimax

2003 225 Mercury Optimax

Well where do I begin, I’ve been trying to diagnose this problem and have been to two mechanics. My boat will start fine and take off plane great but after 30-45 seconds it starts jumping around hard and acts like it is lacking fuel but when I throttle back some it gains plane and stays on path. This only happens when I’m at full throttle. What’s my diagnoses?

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