2004 Honda 225 starving for gas at higher RPM(3000-5000)

freedom49

Seaman Apprentice
Joined
May 11, 2009
Messages
38
This motor some days comes out of the water easy and fly across the water only a few minutes later surges and slow downs then picks up again ! is been to Honda dealer still there after a month, and computer shows nothing only shows rpm ( at trothle speed) fluctuate by 100.00?and thats it and here are the list of work done by mechanic so far and every sea trail failed!
-all gas lines from gas tank including bulb were replaced .
-low and high pressure fuel filter changed and VST drained so was the water separator inside and external.
-the fuel pump was replaced as the mechanic said it could be that?!
-disconnect the gas line and connected a external gas tank with 94 octane gas directly to the motor.
-change the "Y" valve coming out of gas tank which supplies gas to main and small kicker.
after all the above some improvements but still dos it again. HELP please
 
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