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I have a 6 hp Tecumseh model #143.986001 with carburetor #640025 . I need a detailed view of the throttle and governor linkage.

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SOURCE: replacement carburetor OHH55 tecumseh 5.5 hp rear

Need the 5 numbers and a letter following the model number to tell you that. :)

Posted on Jun 06, 2009

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SOURCE: Bad governor on 6.5 hp Tecumseh engine?

did you clean the carb yet?

Posted on Jul 20, 2009

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SOURCE: need diagram of throttle and governor for tecumseh 143.986001 motor

A google search for Tecumseh motor parts breakdown will give you several options. Your ID for the motor is not correct. Look for stamped numbers in the main metal housing. It should start off with two or three letters...LV, OHV....three numbers, and maybe..two letters.

Posted on Oct 21, 2012

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1 Answer

Our snow blower with a Tecumseh model OHSK120 snow king engine starts but runs full throttle!! Any ideas?


Stuck or bent governor, governor linkage or throttle. Try moving the throttle and see if all the linkages move with it.

Jan 25, 2017 | Tecumseh Garden

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I installed a 632690 carburetor on my older sears 10 hp riding mower. The mower starts but I can't adjust the speed. I need a diagram on how to connect the linkage


interesting
Tecumseh 632690 - Carburetor
if still original
the sear should have a Tecumseh 11 hp motor

the pictures are the original governor and carby set ups for a sears 10 hp
26315286-gbuu2k25rgqu2vzcbucmxcsq-1-0.jpg



26315286-gbuu2k25rgqu2vzcbucmxcsq-1-3.png

26315286-gbuu2k25rgqu2vzcbucmxcsq-1-6.png26315286-gbuu2k25rgqu2vzcbucmxcsq-1-4.jpg

Oct 18, 2016 | Sears Garden

1 Answer

Troy-Bilt w/Tecumseh HMSK 80-110 engine. Where can I get a repair manual covering the carburetor OR a picture showing carb linkages?


There are a couple of reasons this could be happening.
1- The throttle shaft could be frozen or gummed up where the throttle shaft sits in the carburetor body.
2 - Check the top of the throttle shaft where the shaft meets the plate, if it is loose or separated it will not allow the throttle plate to move.
3 - The governor spool may be damaged internally in the engine.
Added a couple of Tecumseh manuals below.


26074146-5r0o0nn4trae1ktq5bzxe5ci-4-0.jpg

http://www.barrettsmallengine.com/manual/tecumsehcarburetormanual.pdf

http://www.barrettsmallengine.com/manual/tecumsehlheadmanual.pdf

Jan 29, 2016 | Garden

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How do correct RPM surge on a LH 195 Tecumseh engine


Hi you're governor gears inside the motor could b the problem ...good luck

Aug 11, 2015 | Tecumseh Garden

1 Answer

Kohler V-Twin (624 cc) RPM on the engine does not stay stable , It will raise and lower the RPM in any Throttle Range. Could the Governor be going bad???


Try a static governor adjustment first as it simply be out adjustment.

Static Adjustment Procedure
Make this adjustment whenever governor arm is
loosened or removed from cross shaft. Adjust as follows:
1. Make sure throttle linkage is connected to governor
arm and throttle lever on carburetor.
2. Loosen nut holding governor lever to cross shaft.
3. Move governor lever toward carburetor as far as it
will go (wide open throttle) and hold in this position.
4. Insert a long thin rod or tool into hole on cross shaft
and rotate shaft clockwise (viewed from end) as far
as it will turn, then torque nut to 6.8 N·m (60 in. lb.).

Aug 23, 2014 | Garden

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

I have a 9hp Tecumseh engine on my Sears chipper vac. I rebuilt the carb and forgot how the governor and throttle linkage hooks up. Could you send me a diagram showing what holes these linkages go in? The...


I will try again here.
1 wire link from the top hole in the governor arm to the throttle on the carb. There should also be a wire link with a spring that goes from the Governor arm to the speed control handle.

Oct 21, 2009 | Craftsman 6.5 Hp Chipper Vac

1 Answer

Location of governor linkage and throttle linkage


Try going to searspartsdirect.com. You can put in the engine number 143.955016 in the model search and it should give you a parts list and diagram for that engine.
Good Day.
Brian

May 02, 2009 | Troy Bilt Walk Behind...

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