Thread: Evinrude 200hp Ocean Pro
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Old 10-15-2010, 09:00 AM   #3
thefishingfreak
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Join Date: Feb 2004
Location: Bahston Hahbah
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It's the diaphragm fuel pumps. I must have went thru a dozen on my yamahas.
That's what causes the wah- wah- wah surges under heavy load. Not enough fuel bieng pushed thru.
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