Boat

Have Boat Questions? Ask a Boat Repair Expert.

Ask an Expert,
Get an Answer ASAP!

It seems that the 60 HP 4 stroke is not running on all

Customer Question
It seems that the...

It seems that the 60 HP 4 stroke is not running on all cylinders. Occasionally it seems to clear up and then it goes back to what it was doing. I think it has to do with gas or injectors. When running all out I can only get about 4200 RPM, then it clears and I get 6100, and then it goes back. It seems to only run right for a minute or two. Last year it did this and I got some conditioner in the gas and it cleared up. This year I put the conditioner in and it hasn't helped.

Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. The Marine Mechanic I'm going to connect you with knows all the tricks and shortcuts. Is there anything else the Marine Mechanic should be aware of?

What should I do?

Submitted: 1 year ago.Category: Boat
Show More
Show Less
Ask Your Own Boat Question
Answered in 1 minute by:
7/30/2017
Marine Mechanic: Jason, Marine Mechanic replied 1 year ago
Jason
Jason, Marine Mechanic
Category: Boat
Satisfied Customers: 18,207
Experience: Degree in Marine Technology. Gas and diesel marine mechanic.
Verified

Hello my name is ***** ***** am I speaking with? I read what you wrote. Which engine do you have exactly? Do you have a model or serial number on it

Ask Your Own Boat Question
Marine Mechanic: Jason, Marine Mechanic replied 1 year ago

It looks like you read my response. Are you here?

Ask Your Own Boat Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a marine mechanicLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask Dominick Your Own Question
Dominick
Dominick
Dominick, Marine Mechanic
Category: Boat
Satisfied Customers: 1,009
1,009 Satisfied Customers
Experience: 25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified

Dominick 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:

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

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Dominick

Dominick

Marine Mechanic

1,009 satisfied customers

25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified

Ted G.

Ted G.

Rigger, Diagnostician

704 satisfied customers

40 years boating, Safe boating instruct., Offshore Race promoter, Failure Analysis, Expert Witness

John White

John White

Marine Mechanic

306 satisfied customers

11 years experience working on outboards, inboards, sterndrives & pwcs

Jason

Jason

Marine Mechanic

18,207 satisfied customers

Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

MerCruiser Certified Technician

11,264 satisfied customers

40 yrs. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician.

Jeff G.

Jeff G.

Marine Mechanic

4,729 satisfied customers

42 years experience, Certified Master Technician, All Major Outboards, Sterndrives, Hi-Performance

Captain Dave

Captain Dave

Marine Mechanic

2,672 satisfied customers

USCG Licensed Captain, 20+ Years Boating, Fishing, Maintenance and Repair Experience

< Previous | Next >

Related Boat Questions
Have a 1995 Boston Whaler with a 60 HP motor two stroke. The
have a 1995 Boston Whaler with a 60 HP Johnson motor two stroke . The boat has two gas containers . This year I ran out of fuel twice from one of the containers , switched to the other one but the mot… read more
Clamp-onTech
Clamp-onTech
405 satisfied customers
60 hp mercury 4 stroke loses fuel pressure after running at
60 hp mercury 4 stroke loses fuel pressure after running at wot for 2 mins. Cut back to 4200 rpms and the fuel pressure comes back to 42 psi. … read more
Clamp-onTech
Clamp-onTech
405 satisfied customers
I have a 115 hp 2013 out board 4 stroke engine on a 16 foot
I have a 115 hp 2013 out board 4 stroke engine on a 16' foot Whaler that cannot get above 4200 rpm (no power) with load (2 people on board) I think it is the gas. Boat has run only 3 times this season… read more
Jason
Jason
Marine Mechanic
18,207 satisfied customers
I have a 1996 115 hp mercury 4 cylinder 2 stroke. Runs fine
I have a 1996 115 hp mercury 4 cylinder 2 stroke. Runs fine but.... when I run it at over 3000 rpms for more than a minute a alarm goes off steady, When I slow back down to an idle the alarm goes off … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I HAVE A 16 YEAR OLD GRADY WHITE WITH TWO 150 HP 2 STROKE YAMAHA
I HAVE A 16 YEAR OLD GRADY WHITE WITH TWO 150 HP 2 STROKE YAMAHA SALT WATER SERIES ENGINES. THE PORT ENGINE RUNS FINE BUT WHEN THE STARBOARD ENGINE IS RUN AT ABOUT 4,000 RPM'S FOR ABOUT 10 MINUTES THE… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
Hello. I have a 1999 75 hp mercury 2 stroke outboard
Hello. I have a 1999 75 hp mercury 2 stroke outboard ser #06839034. About 1 month ago the motor started to develop a miss at high RPM. I noticed some wires melted together at the connectors by the CDI… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
My Mercury Outboard 60 HP EFI BF 2003 lost 2000RPM. Same propeller
My Mercury Outboard 60 HP EFI BF 2003 lost 2000RPM. Same propeller as when i bought the 150 Boston Whaler; 15" pitch, alu, 3 blades. I have no warning sounds. Without propeller, the engine revs up to … read more
davesoutboard
davesoutboard
owner
Associate Degree
1,570 satisfied customers
I have a 25 hp Honda 4 stroke. Ran dry last Fall. New gas.
I have a 25 hp Honda 4 stroke. Ran dry last Fall. New gas. Engine starts but seems starved for fuel. Will not run when throttle at low end and does not run up to rpm when throttle at high end. Occasio… read more
Jason
Jason
Marine Mechanic
18,207 satisfied customers
2006 Seadoo set for 8 months in shed, now runs rough and feels
2006 Seadoo set for 8 months in shed, now runs rough and feels like hitting on 2 of 3 cylinders. Occasionally jerks with power, then back to running rough… read more
KKassel
KKassel
OWNER
High School or GED
1,050 satisfied customers
I have a pontoon boat with a 40hp 4-stroke fuel injection 2006
I have a pontoon boat with a 40hp 4-stroke fuel injection 2006 engine (but never used until I bought the engine from local dealer two years ago). Ran great last year, but now when I run it, seems like… read more
Jason
Jason
Marine Mechanic
18,207 satisfied customers
Mercury Hi, I have twins verado 250 hp 2005 in a 36ft concept
Hi, I have twins verado 250 hp 2005 in a 36ft concept boat, I'm run only the port engine to get on plane and only get 2950 rpms and when I only run the stabord engine the get on plane and gets 3800 rp… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
I have a 2001 mercury 2 stroke 75hp motor. my max rpms were
I have a 2001 mercury 2 stroke 75hp motor. my max rpm's were about 5100, however now I can only get about 4200 rpm's. What could the problem be?… read more
Outboard Guy
Outboard Guy
Vocational, Technical or Trade Scho
66 satisfied customers
I have a 2006 90 hp johnson outboard, 2 stroke, on a 22 foot
I have a 2006 90 hp johnson outboard, 2 stroke, on a 22 foot pontoon boat. When running at w.o.t. @ 5200 rpm's for no aparent reason the rpm's go down to 4200. It will run like this for a few minutes … read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
I just purchased a 2005 75 hp optimax Serial # OT965740. This
I just purchased a 2005 75 hp optimax Serial # XXXXX This motor has 0 hrs on itdue to being in storage. The gentleman I purched it from took it too a boat shop last month and everything was checked ou… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
I have a 2002 Mercury 60 hp 4 stroke EFI Bigfoot. This weekend
I have a 2002 Mercury 60 hp 4 stroke EFI Bigfoot. This weekend it started to stall and I backed off the throttle and limped back to the dock. There is fuel coming from the bottom of the cowl where the… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
I have a 2004 yamaha 150 hp tlrc boat motor on a 98 ranger
I have a 2004 yamaha 150 hp tlrc boat motor on a 98 ranger 19 1/2 ft. boat. Recently the rpms reduced to 4200. It was at 5400. The coil for the 3rd cylinder was replaced. The rpms. went to 5300 but af… read more
ROCKET
ROCKET
MASTER CERTIFIED TECH
Vocational, Technical or Trade Scho
426 satisfied customers
Hi, I have a 2002 yamaha 225 four stroke which runs great
Hi, I have a 2002 yamaha 225 four stroke which runs great all the time until I try to exceed about 4200 rpm, then it shutters and shakes as it goes into safe mode, or atleast it seems its going into s… read more
Jeremy R
Jeremy R
1,069 satisfied customers
I have a 2000 115 4-stroke mercury outboard. The motor ...
I have a 2000 115 4-stroke mercury outboard. The motor would only rev up to 4200 RPM maintaining it for about 3 minutes. Then it gradually slowed and maintained 2400 RPM. Last year the same motor woul… read more
Larry B.
Larry B.
Marine Service Tech
High School or GED
574 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