Small Engine

Small Engine Troubleshooting Problems? Ask a Mechanic Now.

Ask an Expert,
Get an Answer ASAP!

Small Engine

Are you up on portable Yamaha gen sets ...fuel consumption issue...Yamaha ef6600de partable gen set consumes way too...

Customer Question
are you up on portable...
are you up on portable Yamaha gen sets ...fuel consumption issue.....Yamaha ef6600de partable gen set consumes way too much gasoline and have problems with auto choke that I thought I remedied ....down in jungles
of costa rica ...no parts here... but hoping it is an adjustment problem
Submitted: 1 year ago.Category: Small Engine
Show More
Show Less
Ask Your Own Small Engine Question
Answered in 19 minutes by:
6/7/2016
Technician: Curtis B., Technician replied 1 year ago
Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 29,463
Experience: have worked on and around most engine models for 35 yrs./Polaris ATV expert
Verified

Locate the choke flap in the carburetor and see if it is staying wide open when engine is running, if not, see if spring is missing or broke,that keeps it open when not being used for start. You can always use a spring or wire to hold the choke flap open.

Ask Your Own Small Engine Question
Customer reply replied 1 year ago
curtis sorry dont have contiueous internet down here in costa rica .....I believe choke flap is open as I have secured it open after starting ... any thing else influences gas consumption? there is a screw on the right side that looks like some kind of mixng screw ... but dont know ... fuel consumption is high ... a gal an hour under moderate load....others of similar size last several days on a tank .. this emptys out in 6 hrs???????? rpm dont seem excessive as they rise and fall with load by govenor....can yo give me a list of things that to check influence gas consumption to this degree...
Technician: Curtis B., Technician replied 1 year ago

only other thing would be the needle valve and float in the carburetor, not controlling the fuel flow into the float bowl, where the gas is sucked into the engine. Needle valve may not be seating, or the float may be stuck or is filled with gas!

Ask Your Own Small Engine Question
Customer reply replied 1 year ago
bought this used and it ran ok but had a auto choke issue a while back ..... never knew who might have adjusted what .... carb has been cleaned ... i do remember checking needle seat and float .... but i guess i could do it again.... when i had choke issue... auto type with bi metal that was not closing the choke flap and it ran rough and rich and spk plug was fouled ... after getting that to work it ran smooth but just consumes horrendous amounts of fuel... do you know what that screw down low on the right side of the carb does ////
Customer reply replied 1 year ago
on your suggestion on float needle seat issue ... wouldn't it run rough with not seatins proper ?
Technician: Curtis B., Technician replied 1 year ago

I may have been a bit hasty, I thought you had said it was black smoking, showing to be flooding.. That was another question I was dealing with. Is the load close to the max. or not. The higher the wattage usage, the more fulel it will require.

Ask Your Own Small Engine Question
Customer reply replied 1 year ago
Not sure if you can. Call me here...011(###) ###-####7274....do you have whats app...we can talk for free
Customer reply replied 1 year ago
In previous responce...load is moderste and other like size gen set i have been using goes for 3 dsys on a 6gal tank...this goes 1/2 day. ...runs fairly smooth but when load is increased there us noticable bogg down in rpm as gov responds
Customer reply replied 1 year ago
But out tools sèem to function
Technician: Curtis B., Technician replied 1 year ago

All you can do is check he choke, and the needle valve and float. You may have carburetor with wrong jet for your altitude it has high altitude jet and you are close to sea level, the fuel consumed would be more because of the air to fuel mixture.

Ask Your Own Small Engine Question
Customer reply replied 1 year ago
Is there no air to fuel mix sscrew adjustment on these carbs????.again do you have any idea what that screw on the right side of carb does????... its the onky adjustment on carb that i saw.....if i remember its a tapered end ...so i would think it adjust something...do you have access to real service manual for this ef6600de yamaha model????
Technician: Curtis B., Technician replied 1 year ago

It is for idle mix adjustment, nothing else on the carb is adjustable, other than the external throttle adjustment. There is no service manual on the generator that I have ever seen.

Ask Your Own Small Engine Question
Ask Curtis B. Your Own Question
Curtis B.
Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 29,463
29,463 Satisfied Customers
Experience: have worked on and around most engine models for 35 yrs./Polaris ATV expert

Curtis B. 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

29,463 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
I am having a problem with my Rialta generator seems it
I am having a problem with my Rialta generator seems it doesn't get power all the time … read more
don
don
fleet superintendent
Vocational, Technical or Trade Scho
12 satisfied customers
Cant get my freedom z sfz48-600fs to start. It makes a click
cant get my scag freedom z sfz48-600fs to start. It makes a click and wont turn over, first thought the battery was dead. Put on charger and its good … read more
Wayne
Wayne
Engine Rebuilder
Vocational, Technical or Trade Scho
1,607 satisfied customers
My 2007 16kw model general generator will not switch off
my 2007 16kw model general generator will not switch off after power is restored … read more
Hank F.
Hank F.
Service Technician
High School or GED
5,363 satisfied customers
My Lawn Boy snow blower will start up but won't hold a
My Lawn Boy snow blower will start up but won't hold a constant idle. It revves up, then dies down, eventually stalling. I've had the carburetor cleaned and spark plug changed, but it still won't stay… read more
Curtis B.
Curtis B.
Technician
29,463 satisfied customers
My powersmart snow blower auger won't spin .. belts are good
Hi my powersmart snow blower auger won't spin .. belts are good and pins are good … read more
Curtis B.
Curtis B.
Technician
29,463 satisfied customers
MY Troy Bilt is 8 HP 24" My neighbor used it and put it in
My neighbor used it and put it in my garage. When I attempted to use it, it was "locked" in a forward gear and the ignition was on. I forced it into first gear, used starting fluid and press the ruber choke 8 times. The gear shift is difficult to move. I can not get it to start or do anything I am used to doing. Your help will be aoppreciated … read more
Curtis B.
Curtis B.
Technician
29,463 satisfied customers
I have A 30 inch snowblower model 536.881114, looking for a
I have A 30 inch snowblower model###-##-#### looking for a manual plus battery location or connection to electric start. … read more
Wayne
Wayne
Engine Rebuilder
Vocational, Technical or Trade Scho
1,607 satisfied customers
Hank, I have followed this thread and performed the step you
Hi Hank, I have followed this thread and performed the step you have suggested and I still get an under voltage alarm the model of my generator is 58731 and the serial is(###) ###-#### Wonder if you h… read more
Hank F.
Hank F.
Service Technician
High School or GED
5,363 satisfied customers
I have 318 starts and run fine for 10 or 15 min then shuts
I have 318 starts and run fine for 10 or 15 min then shuts off no spark. wait 10 or 15 min then it will start and run fine for the same time. … read more
Donald
Donald
Owner / Technician
High School
2,229 satisfied customers
I'm starting the second half of a rebuild project on a Honda
I'm starting the second half of a rebuild project on a Honda eu2000i generator.I disassembled it months ago and simply haven't had the time to put it back together until now.It has gathered some dirt … read more
Curtis B.
Curtis B.
Technician
29,463 satisfied customers
I have a watchdog generator that has a 7.5 amp fuse and a 15
I have a watchdog generator that has a 7.5 amp fuse and a 15 amp fuse on the control panel. the 7.5 amp fuse blows when I try to start the generator. can you suggest what I can do… read more
Wayne
Wayne
Engine Rebuilder
Vocational, Technical or Trade Scho
1,607 satisfied customers
I have an MTD 31A56 snowblower. The auger and impeller
I have an MTD 31A56 snowblower. The auger and impeller continue to spin when the lever is released. The cable from the lever is attached to the spring but the pulley does not retract and shut off the … read more
Wayne
Wayne
Engine Rebuilder
Vocational, Technical or Trade Scho
1,607 satisfied customers
Im looking for rotor for a toro ground master. Was running a
was running a bit rough so being big snow is coming this weekend my hubby decided to check points & broke of metal thing in cap … read more
Wayne
Wayne
Engine Rebuilder
Vocational, Technical or Trade Scho
1,607 satisfied customers
I have a 30 inch 3 stage cub cadet snow blower. Last use
I have a 30 inch 3 stage cub cadet snow blower. Last use caused 3 of 4 shear pins to break which caused augers to tangle. How do I get them untangled before putting shear pins back … read more
Curtis B.
Curtis B.
Technician
29,463 satisfied customers
What is the valve specs for my 18HP OHV INTEK Plus engine.
What is the valve specs for my 18HP OHV INTEK Plus engine … read more
Wayne
Wayne
Engine Rebuilder
Vocational, Technical or Trade Scho
1,607 satisfied customers
My 40 kva generac generator does not transfer to backup
my 40 kva generac generator does not transfer to backup power when … read more
Hank F.
Hank F.
Service Technician
High School or GED
5,363 satisfied customers
How do i hook up clutch cable to the auger to make it go.
how do i hook up clutch cable to the auger to make it go … read more
Vince O.
Vince O.
Small Engine Technician
High School or GED
2,858 satisfied customers
Where can I get maintenence on my RV Onon generator in or
Where can I get maintenence on my RV Onon generator in or around Palm Springs … read more
don
don
fleet superintendent
Vocational, Technical or Trade Scho
12 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