Just because you have a new VRO pump, doesn't mean you have a working VRO pump. I chased this same problem before on an engine with a new pump, ended up being the pump was bad out of the box. Get a fuel pressure gauge on it and see if it is holding pressure when it does it. I know this VRO pump when it messed up would block the fuel flow so I couldn't even get fuel to it by pumping the primer bulb. I had to use a hammer to hit the pump to get it to pop open and allow fuel to flow so I could get back to the ramp.
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2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR
2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD 
AND THE PINK JEEP!!!! R.I.P.
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