How to bypass oil injection on mercury outboard

If the oil injection pump is allowing a large amount of oil to the rest of the system, then you should notice a higher consumption rate from the oil resevoir. If the oil injection pump were out of adjustment, you might see a rich with oil mixture at lower rpm, but maybe not as noticeable at higher rpm.
When removing oil injection do you also remove the driven shaft? I haven't started doing it yet I'm just thinking and trying to get my game plan together. Mariner 40 hp 4 cylinder . Mercury does make a block-off plate to replace the injection pump. I am looking for step by step instructions on how to install the oil injection block off kit on a 1988 135 Black Max. I am was told a bunch of different ways were best Shaft left in, Shaft left in with gears filed down, Shaft removed, What is the best way to do this?

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If the oil injection pump is allowing a large amount of oil to the rest of the system, then you should notice a higher consumption rate from the oil resevoir. If the oil injection pump were out of adjustment, you might see a rich with oil mixture at lower rpm, but maybe not as noticeable at higher rpm.
I failed a 98 mercury and also a 88-89 75hp evinrude with vro due to oil injection failure. Don't want to do the same with this one. I'm old school and don't mind pre-mixing. I also dont mind keeping current oil injection system on this DT40 if someone tells me it is bullet proof. The more simple something is the better I like it. The mercury oil injection system is a popular item to remove, especially given its reputation for failure, and inability to deliver reliably after 6500 rpm. Remove oil resevoir, oil pump, mag pickup, pump drive shaft, then install plug in shaft hole. I have a 1998 Mercury 200 EFI on a 98 Ranger 518 SVS . I have an acquaintance that swears if I don't bypass or remove my oil injection that I will have a catastrophic engine failure and it's just a matter of time. I'm a stickler for keeping things factory and only deviate from th

Re: Mercury Tracker 115.....how do I bypass oil injection??? I wouldn,t recommend it but you can disconnect the float in the oil resivior to stop the alarm from sounding. at this point if all is good with the engine running follw the wires back to the engine and disconnec them. remove the allarm if you want but you may want to revert back so don,t cut the wires. Feb 25, 2016 · Here I disable a oil injection system on a 2006 Yamaha 50hp 2 stroke outboard motor. This method can be used for other Yamaha 2 stroke outboards. (Note that the caps are not required on the oil ...
Nov 13, 2011 · I'm wanting to remove the auto oiler on a 2003 40 hp, 2 stroke, and mix my oil and gas. I've read that some say disconnect the two blue wires. The only blue wires that I've seen is going to the probe in the bottom of the oil reservoir tank, is this the wires I disconnect?

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I am looking for step by step instructions on how to install the oil injection block off kit on a 1988 135 Black Max. I am was told a bunch of different ways were best Shaft left in, Shaft left in with gears filed down, Shaft removed, What is the best way to do this?
The Mercury system was engineered very well - so much so that if it's like the one on my old Black Max, the only failure mode (barring passage blockage or broken oil lines) is that if the pump stops working, the oil in the powerhead mounted tank will "gravity feed" into the fuel and provide a measure of protection for as long as that tank has oil. Remove the screw holding the bottom of the oil tank and the mixing unit brackets to the powerhead. Pull the bracket away from the powerhead if necessary to gain access to the mixing unit. Cut the wire tie that secures the fuel hose to the mixing unit outlet nipple with a pair of wire cutters. Place...