Question about Craftsman 42 in. Deck 19.5hp Lawn Tractor

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It seems like the govenor is stuck, it goes up and down until I engage the mower and it runs smooth .

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If the engine run erratically until it has a load on it you may have bad rings or leaky valves.

Posted on Jun 04, 2010

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1 Answer

Troubleshooting


need govenor adjustment and throttle adjustment have to take in 60.00

Sep 04, 2014 | Cub Cadet Garden

1 Answer

What causes mower to shut down when blades are engaged?


you need your govenor adjusted take it in for this dont try yourself gonenors or tricky to deal with

Aug 26, 2014 | Garden

1 Answer

What is wrong with it?


the throttle cable has been adjusted to far foward making choke engagement hard and the govenor speed needs to be adjusted down it set to fast

Jun 06, 2014 | Husqvarna 21" Lawn Mower with Honda GCV160...

1 Answer

I have a yard machine push mower that is a few years old and it starts fine but runs at high idle unless you pull the choke out


Try adjusting the spring to the throttle. This would be on the carb and what the governor attaches to. The spring will be contected to the throttle and an anchor point that you would be able to bend slightly. I would also check to make sure the connector on the throttle shaft on the carburetor is in the correct hole. Hope this helps!

Jun 14, 2012 | Garden

1 Answer

The 12.5 murray 38 in runs fine until i engage the blades,while engaged the mower runs fine for about five seconds then starts to spit and sputter.once i disengage the blades it runs smoothly again


The problem is in the carb. First try using some bottled fuel system cleaner at a heavier dose than for a car, but be aware that too much may damage the carb. Then run the fuel out and fill with fresh and try again. When you engage blades and it sputters try to throttle down until it runs smooth and then slowly bring engine back up to mowing speed. You should be able bring it up and mow. Run out the fuel tank. If unable to do this trick and get the fuel system cleaner through you will need to have the carb. taken apart and cleaned thoroughly.

Jul 07, 2011 | Garden

1 Answer

I have a 18HP B&S Vangaurd Vertical shaft on a scag walkbehind motor runs good untill I engage the blades then it seems to draw down to about half throttle until I disengage the blades then the motor...


Check the govenor spring to see that it is not stretched out or popped off...there should be a colored spring on the throttle plate where the throttle lever connects to...also, there are several holes in the plate where the spring attaches...these hole will set the sensitivity of the govenor...you may need to make it more sensitive to hold the engine speed high when engaging the blades

May 11, 2011 | Briggs & Stratton Briggs Stratton Vanguard...

1 Answer

Toro rider 16-38 HXL when I start it revs at FULL speed and sounds like it will blow up. I slow it down with choke all other linkage seems to be in place properly- Is there a trick to fixing?


Three options:

1. The carburetor throttle plate (closest to the engine is stuck); clean it with gumout and work it back and forth

2. the linkage is hooked in the wrong hole ; check the wear pattern on the throttle shaft plate to see if it is in the wrong hole.

3. The govenor arm or gear is not adjusted properly; loosten the govenor arm, push the throttle plate of the carburetor all the way closed. push the govenor arm the same direction all the way until it bottoms out. tighten the arm clamp. Test again

I recommend getting a manual or at least a free parts diagram from a local shop like www.arcolawn.com

Good luck
Joe

please vote me up if the fix was good.

Dec 29, 2010 | Toro Lawn Mower With Toro Power Tools

1 Answer

Carb. Problem?


It could be the linkage from the govenor to the carb, maybe the throttle shutter is stuck. Try WD 40.

May 17, 2009 | Toro Lawn Mower With Toro Power Tools

1 Answer

Weird under load symptom briggs 17.5


a couple other checks would be to dump the carb resevoir where the float is, water under the float could be accumulated and closing the fuel off, due to density. out here on the farm we never use the gas to the last drop from the can. also the linkage between the motor fan blade, (govenor) might have been connected to the carb incorrectly. or a bad switch interlock on the mower blade.
some briggs motors are hooked wrong straight from the factory, where the throttle linkage is concerned. ( and the little spring is pretty hokey too)

May 16, 2009 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

1 Answer

Wont run smooth


have the govenor checked could be the spring is worn down

May 10, 2009 | Toro Lawn Mower With Toro Power Tools

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