Small Engine

Small Engine Troubleshooting Problems? Ask a Mechanic Now.

Ask an Expert,
Get an Answer ASAP!

i have a murray mower 3.75 hp. When I start it, runs fine…

Customer Question
i have a murray mower...
i have a murray mower 3.75 hp. When I start it, runs fine for couple of minutes then loses power and dies. I think it is carb, but dont know.
Submitted: 8 years ago.Category: Small Engine
Show More
Show Less
Ask Your Own Small Engine Question
Answered in 2 minutes by:
6/25/2010
Technician: RUSS, SERVICE TECHNICIAN replied 8 years ago
RUSS
RUSS, SERVICE TECHNICIAN
Category: Small Engine
Satisfied Customers: 3,666
Experience: 28 YEAR SERVICE TECHNICIAN
Verified

Hello

YOU ALMOST CERTAINLY HAVE A CARBURETOR PROBLEM : HERE IS WHAT TO DO

 

THANKS

 

 

REMOVE THE CARBURETOR

DISASSEMBLE THE CARBURETOR

SOAK BODY AND PARTS OVERNIGHT IN NAPA COMMERCIAL CARB CLEANER

REASSEMBLE WITH A CARB KIT AND FLOAT FROM LOCAL DEALER

REINSTALL CARB

DRAIN FUEL TANK AND LOOK IN THE FUEL SUPPLY CAN FOR WATER

 

.

NOTE: SOMETIMES A CARBURETOR CANNOT BE SAVED AND HAS TO BE REPLACED

 

ALWAYS DIAGRAM THE LINKAGE AND PARTS SO IT GETS REASSEMBLED PROPERLY

ALWAYS USE STABIL IN THE FUEL

ALWAYS RUN ENGINE EVERY THREE WEEKS IN OFF SEASON TO CIRCULATE FUEL

Ask Your Own Small Engine Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a technicianLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask RUSS Your Own Question
RUSS
RUSS
RUSS, SERVICE TECHNICIAN
Category: Small Engine
Satisfied Customers: 3,666
3,666 Satisfied Customers
Experience: 28 YEAR SERVICE TECHNICIAN

RUSS is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

You did one super job of explaining to me everything there is to know about this fridge. I'm looking forward to asking you questions in the future.

JimmyBagley, IA

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

< Previous | Next >

Meet the Experts:

Curtis B.

Curtis B.

Technician

15,517 satisfied customers

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

Rick

Rick

Factory Authorized Trainer

4,218 satisfied customers

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

Jon K.

Jon K.

Small Engine Diagnostic Expert

2,995 satisfied customers

Gold certified Stihl tech, Service Manager for a rental/repair shop.Certified in most small engines

James W

James W

Small Engine Troubleshooting Expert

2,986 satisfied customers

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

Vince O.

Vince O.

Small Engine Technician

2,927 satisfied customers

Over 30 years experience repairing lawn and garden equipment. Chainsaws, mowers,blowers and trimmers

Wayne

Wayne

Engine Rebuilder

2,041 satisfied customers

many years on egine rebuilding, lawn mower,roto tiller,Truck,and small engines

RUSS

RUSS

SERVICE TECHNICIAN

3,666 satisfied customers

28 YEAR SERVICE TECHNICIAN

< Previous | Next >

Related Small Engine Questions
I have a Briggs and Stratton 11.5 HP riding lawn mower. it
I have a Briggs and Stratton 11.5 HP riding lawn mower. it starts fine runs for 5 minutes then dies. let it sit for 5 minutes and it starts and runs another 5 minutes,etc. What's wrong with it? I've h… read more
Mechanic01
Mechanic01
3,695 satisfied customers
I have a murray riding lawn mower model # XXXXX 14.5 HP
I have a murray riding lawn mower model # XXXXX 14.5 HP 42" 6-speed. It seems when starting it and it gets to running like it is stuck in the choke position. i unplug the wire comming from the bottom … read more
Jack
Jack
Manager/Tech/Kohler Expert Certified
488 satisfied customers
I have a Murray 1996 16 hp rider.Last year put in new carb,
I have a Murray 1996 16 hp rider.Last year put in new carb, plugs, and fuel filter. It starts fine but after 30 minutes or so , the engine started to die just as if you were out of gas. It has gotten … read more
Rick
Rick
Factory Authorized Trainer
Vocational, Technical or Trade Scho
4,218 satisfied customers
IM LOOKING FOR THROTTLE-GOVERNOR LINKAGE PARTS AND AN ASSEMBLY
I'M LOOKING FOR THROTTLE-GOVERNOR LINKAGE PARTS AND AN ASSEMBLY DIAGRAM FOR A 3.75 HORSEPOWER VERTICAL-SHAFT ENGINE MOUNTED ON A MURRAY WALK-BEHIND LAWN MOWER. I CAN'T READ THE MOWER MODEL (THE TAG IS… read more
Rick
Rick
Factory Authorized Trainer
Vocational, Technical or Trade Scho
4,218 satisfied customers
My Murray 4 hp quattro was working fine and then it started
My Murray 4 hp quattro was working fine and then it started surging. Also it started smoking more than normal.… read more
J.R.
J.R.
Vocational, Technical or Trade Scho
7,173 satisfied customers
I have a John Deere GX-75 riding lawn mower with a Kawasaki
I have a John Deere GX-75 riding lawn mower with a Kawasaki 9 HP motor. It will stall after 10-15 min run time. I've cleaned tank, replaced the fuel filter, cleaned the carb, replaced the air filter, … read more
Vince O.
Vince O.
Small Engine Technician
High School or GED
2,927 satisfied customers
have a 17.5 hp murray riding mower. Been having issues with
have a 17.5 hp murray riding mower. Been having issues with it starting. it cranks up fine, but when i try to put it in gear it constantly dies. It takes me a good 5-10 minutes before it finally will … read more
Rick
Rick
Factory Authorized Trainer
Vocational, Technical or Trade Scho
4,218 satisfied customers
Husqvarna mower will not stay runing dies ever few min and
Husqvarna mower will not stay runing dies ever few min and dies again it cranks ok after it dies yth 1845 xp v-twin power kawasaki engine… read more
Delsley Jr
Delsley Jr
Handyman & JustAnswer Expert
IT Certificate
552 satisfied customers
I have a model 21665X8A lawn mower and am looking for the manual
I have a model 21665X8A lawn mower and am looking for the manual but can't find this model. It is a Briggs and Stratton Sprint with a 3.75 HP and 21" Murray. If there is no manual for this model is th… read more
J.R.
J.R.
Vocational, Technical or Trade Scho
7,173 satisfied customers
i have a 10 yr old Murray 14.5 hp riding mower. After cutting
i have a 10 yr old Murray 14.5 hp riding mower. After cutting the front lawn and stopping to dump the bagger, it will not start back up until it colls off, about 1 hr later. It will turn over, just no… read more
Delsley Jr
Delsley Jr
Handyman & JustAnswer Expert
IT Certificate
552 satisfied customers
I own a Murray Riding Mower that uses the TVM195 engine (8hp).
I own a Murray Riding Mower that uses the TVM195 engine (8hp). I like the mower, but I have a 30 deg hill in my backyard and would like a little more power. I know Tecumseh has a 10 hp engine, TVM220.… read more
J.R.
J.R.
Vocational, Technical or Trade Scho
7,173 satisfied customers
i have a sears lawn tractor with a kohlor 17 hp engine i
i have a sears lawn tractor with a kohlor 17 hp engine i have had an on going problem since last year. the mower starts and runs fine but after say ten minutes sometimes longer it will die out almost … read more
ranwell1
ranwell1
CEO
High School or GED
5,039 satisfied customers
Murray mower, Model 204210X8A 20 4.5 HP Q.....fairly new.
Murray mower, Model 204210X8A 20" 4.5 HP Q.....fairly new. Starts good but misses badly and dies out when mowing. I replaced plug, cleaned air filter, replaced with new gas. My small yard is very sand… read more
Delsley Jr
Delsley Jr
Handyman & JustAnswer Expert
IT Certificate
552 satisfied customers
I have a Briggs and Stratton 3.75 hp lawn mower. Recently it
I have a Briggs and Stratton 3.75 hp lawn mower. Recently it has begun to run rough and is down on power. When running it sounds as if it's just about to cut off. Sort of like when you run something w… read more
Bobby Long
Bobby Long
Mechanic
High School or GED
232 satisfied customers
when I start my mower it will run good for a few seconds and
when I start my mower it will run good for a few seconds and then it dies. New gas, spark plug, carburetor cleaned, new springs, looking at fuel tank cap has vent holes not plugged. what is my problem… read more
PK.
PK.
Owner
High School or GED
943 satisfied customers
When i pull on the rope there is no tension and it doesnt
When i pull on the rope there is no tension and it doesn't engage the engine. What would be wrong here?… read more
roger
roger
owner of small engine shop
Vocational, Technical or Trade Scho
350 satisfied customers
I have a murray push mower that seems to be surging and not ...
I have a murray push mower that seems to be surging and not idling properly. I do not know much about engines. Can you troubleshoot me through this?… read more
Bobby Long
Bobby Long
Mechanic
High School or GED
232 satisfied customers
my lawn tractor engine starts fine and runs smooth, until ...
my lawn tractor engine starts fine and runs smooth, until you engage the blades and then it rapidly loses power and soon dies. the plugs are fouled when i check them. if i clean them and start over, s… read more
Bobby Long
Bobby Long
Mechanic
High School or GED
232 satisfied customers
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.

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.

Show MoreShow Less

Ask Your Question

x