Boat

Have Boat Questions? Ask a Boat Repair Expert.

Connect one-on-one with {0} who will answer your question

Related Boat Questions
I have a problem my my yanmar 4JH4-HTE Does not want to
I have a problem my my yanmar 4JH4-HTE Does not want to start Changed the batteries Check the fuel injection pump All seems ok … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
I have yanmar 4jh4-hte have used years ,this spring started
I have yanmar 4jh4-hte have used for 4 years ,this spring started right up ,but first time out could not get rpms up over 2600 would run rough,changed secondary filter seemed to run fine ,next time ou… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
HI, I have a Yanmar 3GM30 F engine and recently had a bad
HI, I have a Yanmar 3GM30 F engine and recently had a bad dose of fuel bug. As the fuel tank is pretty inaccessible, I have fitted a Vetus 25 litre tank and disconnected the main tank until I can take… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
I have 4jh4-hte ,always check oil level before starting ;when
I have 4jh4-hte ,always check oil level before starting ;when first pull dipstick level looks low ,but if i clean off and re-install level is much higher ,should i start and warm engine first ,is re-i… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
Yanmar 4JH3-HTE ( 10 years-3200hrs) will not restart after
Yanmar 4JH3-HTE ( 10 years-3200hrs) will not restart after running for several hours. It always starts with no problem cold, but after running at full load for a while, no action from the starter ( no… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
I have a 75hp yanmar diesel with under 250 hrs on it. At idle
I have a 75hp yanmar diesel with under 250 hrs on it. At idle ran fine under load a little white smoke and max 1800rpm,s I canged the fuel filters and no change, now a maximum rpm of 1000 and stalls w… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
Have a 4jh hte rebuilt , smoked and only got 3000 rpm under
Have a 4jh hte rebuilt , smoked and only got 3000 rpm under load. And 7 lb boost . Injection pump was rebuilt. We have installed new Injectors which reduced smoking. Re pitched prop am getting 3700 rp… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
Hello, we have a problem with a Yanmar engine (4JH4-HTE) on
Hello, we have a problem with a Yanmar engine (4JH4-HTE) on a sailing boat. The engine is running fine but all of sudden when the engine is hot it stops,sometimes after 5 minutes or sometimes after 6 … read more
K. Kergan
K. Kergan
Inboard/Outboard Mechanic
Vocational, Technical or Trade Scho
1,031 satisfied customers
Yanmar 4JH4AE, Engine #EO6255, starts instantly when I hit
Yanmar 4JH4AE, Engine #EO6255, starts instantly when I hit the button then stalls. takes considerable cranking then starts on the second try...every time. After that runs like a charm. Engine is in a … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
I have a yanmar 3gmf in my sailboat . when the engine is cold
I have a yanmar 3gmf in my sailboat . when the engine is cold it has a very loud what sounds to me as combustion knock. It improves as the engine comes up to temp. this problem started shortly after I… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
My yanmar 110 is 3 seasons old. From season 1, when the air
My yanmar 110 is 3 seasons old. From season 1, when the air temperature got hot, into the upper 80's, and the engine was run for a while, it would just cut out when put into reverse! After a couple mi… read more
Yachtwork
Yachtwork
Marine Engineer
Technical or Trade School
1,973 satisfied customers
I have a 4JH4AE Yanmar engine in my sailboat. After starting
I have a 4JH4AE Yanmar engine in my sailboat. After starting the engine the red battery light on the cockpit engine panel is red. The altenator is not charging the batteries. The voltmeter shown no ch… read more
Yachtwork
Yachtwork
Marine Engineer
Technical or Trade School
1,973 satisfied customers
My Yanmar Diesel marine engine 4JH4-TE dropped two valve heads
My Yanmar Diesel marine engine 4JH4-TE dropped two valve heads into no 1 pot after only 500 hours. Has this happened often and why?… read more
Yachtwork
Yachtwork
Marine Engineer
Technical or Trade School
1,973 satisfied customers
I installed a new 70 hp Yanmar diesel into my 48 sailboat
I installed a new 70 hp Yanmar diesel into my 48' sailboat less than two years ago. When the engine is just started up and running for under an hour I can get my RPMs up to 3200 and hull speed up to 8… read more
Yachtwork
Yachtwork
Marine Engineer
Technical or Trade School
1,973 satisfied customers
Call for help I own a C&C 33 sailboat with a Yanmar 2GM20F
Call for help I own a C&C 33 sailboat with a Yanmar 2GM20F , 1986 Engine in it which I recently rebuild (Top end, Bottom end, new rings, new valves, Bearings etc). The Fuel pump and injecters were ove… read more
Expert
Expert
I have a sailboat with Yanmar 3gm diesel. I have rebuilt the
I have a sailboat with Yanmar 3gm diesel. I have rebuilt the the starter and solenoid and replaced the starter switch. When I attempt to restart the engine when going back into port it will not start.… read more
Dr. Joe
Dr. Joe
Bachelor's Degree
198 satisfied customers
Our S/Y has also one of the new 4JH4AE Yanmar engines, there
Our S/Y has also one of the new 4JH4AE Yanmar engines, there is a starting problem that has not been solved up today. Engine dies several seconds later after cold starting. In spite of your pursuing a… read more
Yachtwork
Yachtwork
Marine Engineer
Technical or Trade School
1,973 satisfied customers
Hi... I have a yanmar 3TNE88 new in my basement and I want
Hi... I have a yanmar 3TNE88 new in my basement and I want to marinise it and put it in my 30 ft. sailboat. Is this pratical or should I just forget about the idea? I am encouraged by the marinization… read more
Yachtwork
Yachtwork
Marine Engineer
Technical or Trade School
1,973 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:

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:

Ted G.

Ted G.

Rigger, Diagnostician

2,678 satisfied customers

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

Dominick

Dominick

Marine Mechanic

1,009 satisfied customers

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

John White

John White

Marine Mechanic

306 satisfied customers

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

Jason

Jason

Marine Mechanic

22,043 satisfied customers

Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

MerCruiser Certified Technician

11,409 satisfied customers

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

Jeff G.

Jeff G.

Marine Mechanic

4,730 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 >

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