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Related Small Engine Questions
I have a deer stx38 and it runs great until I put it in gear
I have a john deer stx38 and it runs great until I put it in gear or release the clutch and it dies?? … read more
Curtis B.
Curtis B.
Technician
Associate Degree
20,271 satisfied customers
Deere stx 38 Kohler Command 12.5 hp. Runs but seems to be
I just got the engine yesterday I've tried adjusting the fuel/air mixture… read more
JON
JON
Master Service Tech
MASTER SERVICE TECHNICIAN
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I have a Deere lawn tractor stx38 with black mowing deck
I have a John Deere lawn tractor stx38 with black mowing deck 12.5 hp. Do you have a diagram I can down load on how to replace belt on mowing deck? My email is***@******.***… read more
J.R.
J.R.
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I OWN A JOHN DEERE STX 38 LAWN TRACTOR WITH A KOHLER COMMAND
I OWN A JOHN DEERE STX 38 LAWN TRACTOR WITH A KOHLER COMMAND CV125S ENGINE IN IT. I NEED TO REPLACE THE IGNITION MODULE IN IT . THE ONLY PROBLEM IS , THE MODULE ONLY HAS NUMER 92 25 PRINTED ON IT AND … read more
Curtis B.
Curtis B.
Technician
Associate Degree
20,271 satisfied customers
I have a John Deer STX-38. I believe I over tightened the
I have a John Deer STX-38. I believe I over tightened the clutch on PTO to drive the belts. Would this cause the engine not to start? STX38 has a yellow deck.… read more
Curtis B.
Curtis B.
Technician
Associate Degree
20,271 satisfied customers
JOHN DEERE STX 38 12.5 KOHLER CANT FIND WHER OIL IS LEAKING
JOHN DEERE STX 38 12.5 KOHLER CANT FIND WHER OIL IS LEAKING FROM FRONT OF ENGINE LOWER LEAKING PRETTY GOOD ALWAYS HAVE OIL WHERE ENGINE SITS ON TRACTOR PRESSURED WASHED STILL CANT SEE WHERE THANKYOU -… read more
Joe
Joe
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I have an John Deere STX 38 black mower deck with a Kohler
I have an John Deere STX 38 black mower deck with a Kohler Command 13 engine. The last two times i used the machine it began to lose power after about 1 hour of use. I cleaned the air cleaner, oil cha… read more
Richard
Richard
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John Deere STX 38 mower with Kohler command 12.5 hp vertical
John Deere STX 38 mower with Kohler command 12.5 hp vertical shaft ohv motor. It started vibrating suddenly and quite severely. I eliminated everything from the drive end, all belts, pulleys, and clut… read more
Curtis B.
Curtis B.
Technician
Associate Degree
20,271 satisfied customers
I have a John Deer STX 38 12.5 Kohler motor it starts fine
I have a John Deer STX 38 12.5 Kohler motor it starts fine but no power, if I increase the speed the engine dies, after a few min. running like that I here a click and the engine runs fine with plenty… read more
Curtis B.
Curtis B.
Technician
Associate Degree
20,271 satisfied customers
Where can I find a carburetor for a John Deere STX 38 with
Where can I find a carburetor for a John Deere STX 38 with a Kohler Command 12.5 engine 5 speed… read more
Rick
Rick
Factory Authorized Trainer
Vocational, Technical or Trade Scho
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i have a stx 38 mower with a kohler 12.5 engine. the mower
i have a stx 38 mower with a kohler 12.5 engine. the mower starts and will run fine for a minute os so and then stop. i can start it again..it will run for about 1.5 mins and dies. the amount of time … read more
J.R.
J.R.
Vocational, Technical or Trade Scho
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STX 38 Black Deck Kohler 12.5 hp Flywheel on top side seems
STX 38 Black Deck Kohler 12.5 hp Flywheel on top side seems to be locked up acted like a bearing went out but was running fine and then the starter would not turn the flywheel to start. Do you have to… read more
J.R.
J.R.
Vocational, Technical or Trade Scho
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I WOULD LIKE TO PURCHASE A RIDING TRACTOR MOWER WITH A KOHLER
I WOULD LIKE TO PURCHASE A RIDING TRACTOR MOWER WITH A KOHLER ENGINE, WHAT COMPANIES OFFER THIS IN THEIR RIDERS… read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
23,736 satisfied customers
I have a John Deere STX 38. After installing a new battery
I have a John Deere STX 38. After installing a new battery in it today, a huge amound of smoke started pouring out of the exhaust. I thought the mower was going to start on fire. It then died, and I p… read more
Curtis B.
Curtis B.
Technician
Associate Degree
20,271 satisfied customers
I have a John Deere STX 38 with the Kohler 12.5 Hp engine that
I have a John Deere STX 38 with the Kohler 12.5 Hp engine that floods out if I leave the fuel valve open when I shut it down. Then if I close the fuel valve when I put it away it doesn't start without… read more
J.R.
J.R.
Vocational, Technical or Trade Scho
209 satisfied customers
I have a john deere stx-38. kohler 12.5 horse engine. When
I have a john deere stx-38. kohler 12.5 horse engine. When motor is running and I pull on the pto switch, motor turns off but the blade does not engage either.… read more
HondaPlatinum
HondaPlatinum
Vocational, Technical or Trade School
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I have a John Deere STX 38 black deck Kohler Command 13hp. It
I have a John Deere STX 38 black deck Kohler Command 13hp. It smokes badly when turning right or on a semi steep grade heading uphill. It has a new Walbro carb installed as I thought this was the issu… read more
PK.
PK.
Owner
High School or GED
790 satisfied customers
I have a kohler command 13 OHV design engine on a STX 38 john
I have a kohler command 13 OHV design engine on a STX 38 john deere riding mower and the model and serial numbers are wiped off the silver tag. The air filter has ser XXXXXXXXXX on it and I need a car… read more
J.R.
J.R.
Vocational, Technical or Trade Scho
209 satisfied customers
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Meet the Experts:

Curtis B.

Curtis B.

Technician

20,271 satisfied customers

have worked on and around most engine models for 35 yrs./Polaris ATV expert

Rick

Rick

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Outdoor Power Equipment technical trainer since 1990, covering eight states.

Vince O.

Vince O.

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Jon K.

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James W

James W

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7 years as Mechanic & Parts Manager for Brother who has Owned Lawn & Garden Repair shop for 35 years

RUSS

RUSS

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roger

roger

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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