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When i start the mower the engine just revs all the way up. i think the governor is stuck wide open any suggestions

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Sometimes crud and gunk build up on the carb ,carb linkage and governor linkage, preventing free movement of those parts. First I would clean all linkage points with a spray can of carb cleaner, and then lubricate these points with WD40 or some other lubricant. It's also a good idea to lubricate the control cables and controls.

Posted on Jul 27, 2009

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One engine startsand you move throttle to run, engine runs at extreme rpm's and will not throttle down


John the governor is probably sticking, check for dirt and debris, make sure spring/ linkages are still attached, after cleaning lubricate linkages with lubricant WD or similar. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
Throttle stuck wide open Governor issues
Understanding and Adjusting your Governor on small engine
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Apr 24, 2016 | Garden

1 Answer

17hp kawasaki idels fine but when you throttle up it runs wide open just put governor in


Eric, the one thing I can think of is that either your linkages are incorrect, by that I mean it sounds as if then you throttle it up, it gets stuck open... I would go over the carburetor set up and make sure that everything is correctly back in its right order.. you may also have the governor set too high, adjust it lower if it sounds as though the engine is working too hard or screaming.

Oct 05, 2015 | kawasaki Garden

1 Answer

Governor runs wide open when srarted


spring must be broken that holds tension remove engine cover or look on side of carb and vain lever and see if there is a mouse nest in under the engine cover or if spring is broken dont let it rev you will blow a rod, sometimes the govenor comes apart in the engine you will need a small engine shop

Joe

Sep 11, 2012 | Ariens Zoom 42 In 165 HP Briggs Stratton...

1 Answer

I have a 10 hs tecumseh motor on a riding mower i need an explode view of carb and linkage when start-up engine it goes wide open


Hi and welcome to FixYa, I am Kelly. I understand you have a 10 HP Tecumseh engine. There are service manuals available on line for your engine but without your engine model number it is difficult to pass you the correct one: Here is the link for the service manuals:
http://www.mymowerparts.com/pdf/Tecumseh_Service_and_Repair_Manuals

Somewhere in the list is your manual.
This is my best guess without your engine model number:
http://www.mymowerparts.com/pdf/Tecumseh_Service_and_Repair_Manuals/TECUMSEH_SERVICE%20_REPAIR_MANUAL_OHH50-65_OHHSK50-130_OHV11-OHV17_OVM120_OVRM40-675_OVRM120_OVXLC120_OVXL120_OVXL125_695244A.pdf

^-Make sure you read about Adjustments in section 1 also.

Running wide open causes:
1. Broken throttle control plate spring
2. Governor spring problem
3. Internal Governor flyweight has departed the governor gear.
4. Throttle plate (butterfly) attached to the throttle shaft in the carb throat has come off the throttle shaft.
5. Broken / missing linkage
6. Someone loosened the governor shaft bolt at the base of the governor arm and allowed the governor to get out of adjstment.

Thanks for choosing FixYa,
Kelly

Aug 12, 2011 | Tecumseh Garden

1 Answer

Sears Craftsman mower-Tecumseh engine 3.75 HP- wouldn't start-replaced air filter & spark plug; dismantled carburetor and cleaned it; now it will start but only runs for a couple of seconds and dies....


check the linkage for the governor, maybe on the wrong side,when off it should be pushing the throttle wide open, the governor brings it down after start up!

Jul 06, 2010 | Craftsman Garden

1 Answer

10 hp briggs runs at high speed, govenor don't seem to be working


One possible cause for this problem is debris,sticking,or frozen linkage between the governor and the throttle butterfly. Depending on the make and model of your engine it will either be a mechanical governor that has a arm that goes down into the case or a air vane governor that is behind the recoil shroud of the engine. Move all the linkage that connects between the governor and throttle and speed lever to make sure it doesn't bind or sticks. If it does pray a little silicone or wd 40 spray on it to help reduce friction. Also on air vane governors they can become stuck from debris that inhibits it from moving make sure there is nothing in the way of the governor. If all of the linkage is working properly and you still have the issue try adjusting the the fuel mix screws and the high rev. settings on the throttle lever (if equip.).

Jan 29, 2010 | Parks Optical 13.5hp Briggs And Stratton...

1 Answer

Need to reset manual governor on 10 hp briggs and stratton mod # 205412 type 0178-E1. took pan off the governor does not look bad or broke wasker under the governor looks good. I think someone moved the...


First loosen the pinch bolt and nut on the govener arm at the governor shaft. To set the governor make note of the governor arm to open the thottle wide open. Hold the governer arm to where the throttle is wide open then turn the governor shaft that is coming out of the engine block in the same direction until it stops then tighen the pinch bolt and nut on the governor arm to hold the arm in position on the governor shaft. Make sure when you start the engine you don't over rev it. Start it in low speed and move up slowly. You may need to reset the spring tension.

Dec 14, 2009 | Briggs & Stratton Power Products 5,550...

1 Answer

How to set static adjustment of the governor on a ohv briggs


You'll need to get a 3/8 wrench and a slotted screwdriver and locate the round governor shaft coming out of the engine block. The governor arm attaches to this with a clamping-bolt. You will notice that the round shaft is slotted for a screwdriver as well.
Loosen the clamping bolt slightly with your 3/8 wrench, insert your screwdriver and rotate the round shaft clockwise until it stops. (It has VERY little travel, so turn it both ways to verify that your are at FULL clockwise position.)
Hold screwdriver there and move the governor's arm in the same (clockwise) direction until the carb's throttle is set to WIDE OPEN throttle. Still holding the screwdriver clockwise, retighten the clamping bolt with the wrench.
Next, move the throttle lever on the dash of the tractor to idle and back to full several times and observe the carb's throttle shaft, it should come down from full throttle to idle and back again freely.

Start the engine and be prepared to shut it off if it over-revs.
If it doesn't over-rev, your base-line settings are correct.

Hope this is helpful,
Dolf-

Oct 17, 2009 | Briggs & Stratton Garden

1 Answer

Engine revs wide open when starting


Check to see if the throttle shaft on the carburetor is actually moving (with engine off) Does it slow down when you move the throttle control on the dash?
Start it up and try moving the linkage on the governor shaft, if there is little or no resistance but the engine slows when you move it, most likely you have a broken governor gear inside the engine. Another possibility is that the screws that hold the throttle plate to the shaft have come loose and the plate is jammed in the throat of the carburetor

Sep 14, 2009 | Garden

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