Learning the HARD way...
Join Date: Jan 2007
Location: Boston / Ft Myers Area
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Re: Universal M25 losing power
Originally Posted by Capt. Gary Randall
I don't see anything regarding bleeding the injector, distributor,pump. That would definitely cause a loss in high rpm because it is connected to the governor.there is a bleeder valve on the side of the injector Pump a 5/16 wrench should fit. Loosen this fitting and pump the hand lever on your fuel pump until absolutely no air comes out of the bleeder.only diesel fuel tighten the Bleeder This is not mentioned in your video...... hopefully this is the problem. air can trapped at this point when you change fuel filters or run out of fuel.
Bleeding the fuel on this is easier than that; Turn the knob on the side of the injector pump, and turn the key to the "on" position. The electric fuel pump will push fuel through the system and "click" rapidly. Let it run (click) for a minute, then turn the knob to close the valve. The system is now bled.
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USCG Licensed OUPV Captain, ASA 101/103/104/105/106/118 Certified Instructor - Also certified in Recreational Marine Electrical Systems