Small Engine

Small Engine Troubleshooting Problems? Ask a Mechanic Now.

Ask an Expert,
Get an Answer ASAP!

Small Engine

10 hp I/C L head cast iron engine. Too much compression to

Customer Question
start. Preignites with sometimes painful...
10 hp I/C L head cast iron engine. Too much compression to start. Preignites with sometimes painful consequences. Did not do this until recently. Checked flywheel key and found no problem with it.
What might be the cause of the problem?
Submitted: 1 year ago.Category: Small Engine
Show More
Show Less
Ask Your Own Small Engine Question
Answered in 5 minutes by:
9/9/2016
Technician: JON, Small Engine Technician replied 1 year ago
JON
JON, Small Engine Technician
Category: Small Engine
Satisfied Customers: 1,506
Experience: Certified Small Engine Technician
Verified

Hi, my name is ***** ***** me review the issue, and I will be more than happy to help resolve it as quickly as possible.

Ask Your Own Small Engine Question
Technician: JON, Small Engine Technician replied 1 year ago

Check that the engine is not trying to hydro lock. Gas in the oil. If machine is kicking back on you when you attempt to pull start then I would check all these if flywheel key is good. If none of the above is the issue, you could be looking at bad valves

Ask Your Own Small Engine Question
Ask JON Your Own Question
JON
JON
JON, Small Engine Technician
Category: Small Engine
Satisfied Customers: 1,506
1,506 Satisfied Customers
Experience: Certified Small Engine Technician

JON 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

14,377 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

2,858 satisfied customers

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

RUSS

RUSS

SERVICE TECHNICIAN

1,723 satisfied customers

28 YEAR SERVICE TECHNICIAN

Wayne

Wayne

Engine Rebuilder

1,607 satisfied customers

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

< Previous | Next >

Related Small Engine Questions
We have an onan 5500 in our rv. It is 2 yrs old. We are in
We have an onan 5500 in our rv. It is 2 yrs old. We are in it now. The generator is showing a code 45 we have discounted battery and hooked back up. Generator will start and die immediately then will … read more
Hank F.
Hank F.
Service Technician
High School or GED
5,363 satisfied customers
JON. This a billing correction question. Please respond to
This question is for Expert JON. This a billing correction question. Please respond to this question so I can rate you and then you will get your credit.… read more
JON
JON
Small Engine Technician
1,506 satisfied customers
What is the estimated value of an Ariens Riding Lawn Mower
What is the estimated value of an Ariens Riding Lawn Mower with a 17.5 HP motor? Only about 40 hours on it. Not sure of the cutting diameter. Machine is about 3 years old. Thank you. … read more
JON
JON
Small Engine Technician
1,506 satisfied customers
I have a poulon pro pr300 snowthrower. It has debris in the
I have a poulon pro pr300 snowthrower. It has debris in the gas tank. Can I get rid of the debris by opening the drain on the float bowl and running the tank dry, or must I remove the tank from the bl… read more
Curtis B.
Curtis B.
Technician
Associate Degree
14,377 satisfied customers
My generator would not kick on when power went out this
My generator would not kick on when power went out this morning. Screen read : Stooped-alarm with lower voltage underneath … read more
Hank F.
Hank F.
Service Technician
High School or GED
5,363 satisfied customers
I had an occasion to try and jump start my motor home after
I had an occasion to try and jump start my motor home after being unable to start the engine and the Onan 7500 generator. Neither would start even with a jump! Starting batteries were replaced engine … read more
Hank F.
Hank F.
Service Technician
High School or GED
5,363 satisfied customers
I'm looking for a recoil for for my snowblower ariens model
good morning I'm looking for a recoil for for my snowblower ariens model # 932141 it has a Tecumseh engine model # 0h195sp. … read more
Wayne
Wayne
Engine Rebuilder
Vocational, Technical or Trade Scho
1,607 satisfied customers
I did something stupid and ran over a electrical cord that
I did something stupid and ran over a electrical cord that was buried under the snow with my brand new Troy Built snow blower. I was able to cut the cord and pry it out of both sides of the auger but … read more
JON
JON
Small Engine Technician
1,506 satisfied customers
I tried starting my snowblower today. It started but it was
I tried starting my snowblower today. It started but it was revving too fast so I had to shut it down. Did this twice. What should I do? Thanks. … read more
Wayne
Wayne
Engine Rebuilder
Vocational, Technical or Trade Scho
1,607 satisfied customers
My Snowblower won't start. I put a brand new carb on it and
My Snowblower won't start. I put a brand new carb on it and it will only start if I use starting fluid, then it stalls. I checked to see if the float bowl had gas in it. It did, but very little. The f… read more
Curtis B.
Curtis B.
Technician
Associate Degree
14,377 satisfied customers
I have an 8KW Generac generator, installed 11/2/2010, which
I have an 8KW Generac generator, installed 11/2/2010, which is not working. The service tech from Peak Power systems, Middletown, NY, has tried everything, and now tells me that the problem may be a b… read more
Hank F.
Hank F.
Service Technician
High School or GED
5,363 satisfied customers
My engine set over the summer with gas in it and when I push
My engine set over the summer with gas in it and when I push the primer the gas shoots out of the carb thru the screen. I wont run unless I slowly push the primer to keep gas going into carb … read more
Curtis B.
Curtis B.
Technician
Associate Degree
14,377 satisfied customers
My Snapper has a V-twin 22hp Briggs motor on it that will
My Snapper has a V-twin 22hp Briggs motor on it that will not start when it is cold. Supposedly has the automatic choke. Any suggestions ?? … read more
Curtis B.
Curtis B.
Technician
Associate Degree
14,377 satisfied customers
I think i have water in my snow blower engine. it fires up
i think i have water in my snow blower engine. it fires up if I spray starting fluid in the spark plug but wont stay runnng … read more
Curtis B.
Curtis B.
Technician
Associate Degree
14,377 satisfied customers
How's its going from Arizona I have a Onan marquis gold 5500
How's its going my names Quentin from Arizona I have a Onan marquis gold 5500 an it was running fine on my last camping trip two weeks ago went outside today to run the generator why I cleaned the tra… read more
Hank F.
Hank F.
Service Technician
High School or GED
5,363 satisfied customers
Husquarna gth 48xlsi. New battery 12.7 volt. Last month.
fuel no problem. After couple of starts the charge indicator shows red and smart star indicate red battery although battery have 12.7 … read more
Wayne
Wayne
Engine Rebuilder
Vocational, Technical or Trade Scho
1,607 satisfied customers
How are you. I have a artic cat diesel and I need to
Hi how are you. I have a artic cat diesel and I need to proforma 3 tasks one is get fuel to injectors aß lines are empty . Make sure system is balanced as screws on rail may have been moved and set in… read more
Curtis B.
Curtis B.
Technician
Associate Degree
14,377 satisfied customers
Does Onan power command control module P/Nfit Onan generator
Does Onan power command control module P/N(###) ###-####fit Onan generator model 12DJC J 22360 … read more
Hank F.
Hank F.
Service Technician
High School or GED
5,363 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