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  1. R

    1998 DT 140 EFI fuel problem

    I recently bought this motor. It ran great. I replaced the fuel filter, Oil filter, Impeller. Drained the oil tank and blew out the lines. Rebuilt the fuel pump. Installed new fuel lines and bulb. I did all this to start fresh. It has run like a top for around 15 hrs. This weekend it was acting...
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    How to clean Oil line check valves?

    I have a 1998 Suzuki 140 EFI. I took the check valve off the main oil line and blew it out with a compressor. It made a noise like a duck call. Can this hurt the valve? What is the proper way to clean them? Should I replace this one? It was stupid I should have researched it before I did it...
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    Does premixing gas 50:1 hurt plugs or anything else?

    I recently bought a 1998 Suzuki 140 2-Stroke EFI. I am trouble shooting the oil light and buzzer that come on at high rmps. I think I found the problem. I cleaned out the oil res and filtered the oil it was gelled at the bottom. I cleaned out all the lines. I also cleaned the screen in the...
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    How do I clean oil injection system Suzuki 140 2 stroke

    I have a 1998 suzuki 140 2 stroke fuek injected. The buzzer goes of at high rpms only then goes off when I slow rpms. I am checking the oil system everybody says clean the screen. I found a plastic in line filter but I am not sure if it comes apart to clean it. I dont want to brake it. is there...
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    1998 Suzuki 140 or 1992 Suzuki 140 which is a better year for reliability?

    :I have 2 2-stoke Suzuki 140hp jet motors 1 is a 1998 and the other is a 1992. It?s a long story why I have 2. I have not had either of them long. I have run them about a 1/2 hour each. I have completely gone through both lower jet units and they are fine. The 92 runs perfect starts right up...
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