Small Engine

Small Engine Troubleshooting Problems? Ask a Mechanic Now.

Ask an Expert,
Get an Answer ASAP!

Related Small Engine Questions
I have Onan 4000 GenSet in a RV Model # ***** Serial
I have Onan 4000 GenSet in a RV Model # ***** Serial # ***** I Will start right up but will not remain running in less you continue hold down the start switch As soon as it is released the engine stop… read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
I have a 4000 watt Onan generator in my 1997 Coachman class
I have a 4000 watt Onan generator in my 1997 Coachman class c motorhome. When cranking the engine over it attempts to start but quits as soon as I let off the starter button. It doesn't seem to matter… read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
I have an onan marquis gold 7000 (NHM-H) It starts and stays
I have an onan marquis gold 7000 (NHM-H) It starts and stay's running but will not produce power.So far I have cleaned the slip rings,installed new gen brushes and replaced the voltage regulator.I am … read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
Hi Hank before I start tearing into my onan 5500 generator
Hi Hank before I start tearing into my onan 5500 generator in my 1998 fleetwood bounder motor home I need some guidence the generator has about 4500 hours on it voltage has been low then increase's to… read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
Hi Hank my NHM genset that we worked on before runs great but
Hi Hank my NHM genset that we worked on before runs great but no ac output. Rotor was replaced 4 months ago. It looks like I'm getting a lot of resistence across J4-9 and J4-10 about 100 ohms! VR?… read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
I have a onan emerald plus 4000 genset model 4bgefr26100h will
I have a onan emerald plus 4000 genset model 4bgefr26100h will only try to run when you hold the start button . Did note that when you release start button you loose spark.… read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
The generator wont stay running without holding the start switch,
The generator wont stay running without holding the start switch, it also in not putting out any voltage from the generator. The generator quit under a heavy load. Maybe brushes for the generator burn… read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
We have an Allegro rv. I beleave it has an onan 4000 generator.
We have an Allegro rv. I beleave it has an onan 4000 generator. Model # XXXXX SERIAL # XXXXX just recently it began to have a issue. As long as the start button is held the generator will run. That is… read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
I have an Onan Marquis 5000 in My 1995 bounder. The generator
I have an Onan Marquis 5000 in My 1995 bounder. The generator runs but no ac output. I had the transfers switch replaced that did not solve the problem. The tech. said he belived it to be the voltage … read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
I have a 5500 marquis RV Genset generator in my RV. My problem
I have a 5500 marquis RV Genset generator in my RV. My problem is I have no output. Could this be the regulator? Starts right up and runs well. Please contact me [email protected] Thank you… read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
my emerald plus 5000 will run holding the starter in and then
my emerald plus 5000 will run holding the starter in and then die when released. I ran this generator for 30 minutes last Sat. Today it will not keep running. When i hold the starter in am i hearing t… read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
Commercial Onan generator 4.5BGDFA126100J on a utility bucket
Commercial Onan generator 4.5BGDFA126100J on a utility bucket truck - Problem with A/C. The generator is running fine but it is not producing A/C. Fuse and breakers are both on but there is no A/C bef… read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
I have a Onan 7000 (NHM) that has low AC voltage (~89Vac).
I have a Onan 7000 (NHM) that has low AC voltage (~89Vac). What do I need to check and/or adjust?… read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
Am attempting to troubleshoot an Onan BGE 5000 generator for
Am attempting to troubleshoot an Onan BGE 5000 generator for an RV. The generator will start when you press the start button, but immediately shuts off when released. The oil pressure sensor has been … read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
Onan Marquis 7000 Generator Model# 7NHMFA26106D A/C 120 AMP-56.7
Onan Marquis 7000 Generator Model# XXXXX A/C 120 AMP-56.7 HZ-60 RPM 1800 PH-1 PF-1 GASOLINE. Problem: no A/c Replaced: Brushes, Replaced 4 way voltage rectifier, replaced voltage regulator. Only volta… read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
On my 1996 Winnebago Adventurer I have a Onan MicroLite 4000
On my 1996 Winnebago Adventurer I have a Onan MicroLite 4000 Series KY generator. Every month if I haven't used I exercise the generator for two hours with a load. No problems. This weekend I travel f… read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
I have a Marquis 5500 in an RV.The generator itself runs fine
I have a Marquis 5500 in an RV.The generator itself runs fine but is not providing power for the microwave etc. The last time this happened the tech said he cleaned the "brushes" at no charge. My ques… read more
Hank F.
Hank F.
Technician
High School or GED
16,128 satisfied customers
my onan generator 4kw starts but quits after several seconds
my onan generator 4kw starts but quits after several seconds unless you keep the start button depressed. i've done everything i know to no avail.i checked terms 5-9, 7-9 ,10-9 11-9,12-9 5-10 ,5-11,5-1… read more
Hank F.
Hank F.
Technician
High School or GED
16,128 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.

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

15,770 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

2,943 satisfied customers

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

Wayne

Wayne

Engine Rebuilder

2,108 satisfied customers

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

RUSS

RUSS

SERVICE TECHNICIAN

1,723 satisfied customers

28 YEAR SERVICE TECHNICIAN

< Previous | Next >

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