Re: Fuel consumption
You don't want to be taking that engine to 6000 if you want it to live very long. I know the cross-flows suffer from an RPM induced vibration at either 5700 or 6100(can't remember which right now) from the rotating mass of the engine and flywheel. Many flywheels have become 2 piece flywheels from sustained runs at that RPM. Cross-flows red-line at 5500 like tsubaki said, I would shoot for maybe another 100 RPM's. These engines pull there best down low though.
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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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