This boat motor idles and runs excellent at low speed, when you increase throttle it is acting like it is missing or completely shutting off for a split second causing a vibration/shaking the whole boat. It does this from about 1/3 throttle to wide open throttle. I changed the prop and it is still doing the same thing. HELP It almost feels as if the foot hit something in the water, but it is not that there is not a scratch on the new prop!!
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