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frige

By frige
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frige Apprentice

frige

Posted
Posted

Hey folks,

I just picked up a 2010 landmaster. The last guy changed the engine to a 653 predator. Anyone have experience with these? Trying to figure out the throttle. It doesnt gently start off Like most engines. Push the gas and vroom! Is that the way these are?

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Travis Grand Master

Travis

Posted
Posted

Shouldn't be that way.

Im willing to bet he rigged the throttle linkage straight to the butterfly on the carb and bypassed the governor throttle plate set up, which gives you a nice steady increase of speed.

There are plenty of videos on YouTube of setting up throttle on those Predators.

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frige Apprentice

frige

Posted
  • Author
Posted

I checked it out and the springs are still there. I will pull the carb apart this weekend. It doesnt go full throttle but is jerky. Also repairing the brakes as the lines were all split. They just came in. And putting on wheel spacers to keep the huge tires from rubbing on the tie rods.

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frige Apprentice

frige

Posted
  • Author
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Got the brakes fixed. I believe I need to just remove the governor as I believe that is causing the issues. Looks like I will have to fabricate something.

frige Apprentice

frige

Posted
  • Author
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Well that was interesting. I went to move the buggy and it didnt want to start. Got it going and it was fogging the neighborhood. I was like crap blown engine. Oil sparying out of the exhaust. I pulled the filter off and the carb was full of oil. Checked the oil and it was way overfilled. So I started draining it and it was full of gas. What the heck?🤨

Travis Grand Master

Travis

Posted
Posted

either,

your carburetor float needle failed allowing excess fuel to flow freely to the engine, drain and change the oil and (filter if it has one)

rebuild or replace the carburetor.

1 other thing, does it have a vacuum operated fuel pump or electric?

 

frige Apprentice

frige

Posted
  • Author
Posted

Its stock so it must be the vacuum pump. I will have to pull the engine to look at it as I cant get the cowling off. I wonder if the diaphragm could be ripped?

cliffyk Rising Star

cliffyk

Posted
Posted

I found this in an American Sportworks owner's manual. Apparently is has  vacuum operated fuel pump with a gravity pass-through--this in common on riding mowers, transporting the machine without the fuel valve off jostles the carb float about and dumps fuel into the cylinder/crankcase:

GasInOil-00.thumb.jpg.c2015b48d43b6c848a271fab7cd88fa3.jpg

 

Fuel pump looks like this, very similar to that on my Ariens 22 HP mowers with a Briggs V-Tec engine....

LCM4FuelPump-00.jpg.1ffccd166eac8edc030d87f3b911d0d3.jpg

 

Could be the same pump (or interchangeable--B&S p/n 808656)

briggsope_808656.jpeg.5937f7790c3bc56c3b1a4ceff77157d6.jpeg

 

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