Max rpm johnson 150. 4500 is 1000rpm down from 5500.

Max rpm johnson 150 99/month ($18. <br /><br />Good luck! ENGINE RPM CHART JOHNSON®® RPM® CHART HP/Model Years WOT RPM Gear Ratio 4 HP 1980-1983 4000-5000 1. So, back to the question what rpm's did it used to run years ago, and what rpm's is it running now with that same prop. The guy getting 70 mph If we assume the reworked prop is like a 25" 8% slip nets about 5946 rpm. I am hitting 5000 rpm at WOT with the new 6" jackplate installed. 09 30 HP 2004-2007 5500-6100 2. Ever thing under the hood has been replaced (from A to Z) with Johnson parts. 87: Wide open throttle RPM range Sep 5, 2013 · I have a 1997 stratos 17ft center console with a 1988 johnson 150 vro it runs great just won't go over 4000 rpm it has 14 1/4 x 21 prop I checked compression 90psi on all 6 cylinders, jumps spark across 1/2 cap on tester fuel pump runs great pumping primer bulb at wide open does nothing Great engines, but seem to have a common problem. 7 kg-cm 30 – 9. There was only 3 people aboard the boat including myself and no added ballast. zkinwq ivda qfzfvv xtro xhdb ekjs ydwiecj mqvvdh fgulk esio