4500-5500 is the WOT RPM range, but beings you are underpowered I would prop it to hit the top end with just you in it. MAybe even hit 5600 with just you in it. Whatever you do though, DON'T HOLD IT AT 5750 RPM'S! This can result in an exploding flywheel
. OMC had an issue with the balance in the cross-flow engines, this is why 5500 was the max rated RPM for any of them. The pistons were so heavy that at 5750 they create a whipping motion and could tear the flywheels hub out. Quite a few cross-flow guy's on there bass boats have turned there flywheel's into frisbees trying to twist them up. It won't happen instantly, but it is a possibilty. So why take a chance.
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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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