Re: to pump or not
Anywhere from 85-110 is normal cranking compression for an OMC looper V-6. The idle relief ports really lower the cranking compression down. The V-4's can have some serious bump to em though, mine has 155 pounds on it.
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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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