Boat

Have Boat Questions? Ask a Boat Repair Expert.

Ask an Expert,
Get an Answer ASAP!

Related Boat Questions
I'm getting to remove/replace my mixer elbow on my Yanmar
I'm getting to remove/replace my mixer elbow on my Yanmar 3JH2E. I finding out they clog. And I'm getting symptoms of this happening. It's looking like it's better to replace it than clean it. My raw water outlet hose from my heat exchanger keeps popping off. I'm either getting white smoke or steam with oil sheen at the back of my exhaust outlet in the water. the Yanmar is almost 19 or 20 years old. But the hour meter only has 373 hours on my 1999 hunter 376 boat. Hard to believe when I bought this boat 2 years ago it only had 350 hours. This was always my suspicion. But here I am. LOL … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,478 satisfied customers
Yanmar 3gm30f smoking smell like diesel cleaned the fuel
yanmar 3gm30f smoking white smell like diesel cleaned the fuel injector changed out the mixing elbow was 60 % plug but only starts to smoke over 2,000 rpm … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,478 satisfied customers
I have smoke coming out of my penta md7b and what I think is
I have white smoke coming out of my penta md7b and what I think is fuel collecting in the oil pan. Likelyr cause?… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,478 satisfied customers
I've got a 1gm10 that is acting up after layup. Wouldn't
Hello, I've got a 1gm10 that is acting up after layup. Wouldn't start, traced it to no fuel to injector. Pulled injection pump and soaked bottom half in acetone. Put back on with same shims and got ni… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,478 satisfied customers
I have a Yanmar 2GM20F powering my sailboat. I have been having
I have a Yanmar 2GM20F powering my sailboat. I have been having an overheating issues during the last season, where the coolant was being pushed out, via the the overflow. After verifying that the imp… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,478 satisfied customers
I have a Yanmar 2QM15. I changed the secondary fuel filter
I have a Yanmar 2QM15. I changed the secondary fuel filter the other day, and now my boat is belching out black smoke. When I originally changed the filter, I didn't realize the fuel had to be bled ou… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 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 Scho
18,478 satisfied customers
Have a gm10 Yanmar 1 cyl. Hadnt started it in 3 mon. Cleaned
Have a gm10 Yanmar 1 cyl. Hadn't started it in 3 mon. Cleaned fuel, replaced separator filter, fuel filter & bled system. Batteries & starter OK. Pulled injector & had cleaned. Spins fast with compres… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,478 satisfied customers
Engine runs a few minutes and then puff of heavy smoke out
Engine runs a few minutes and then puff of heavy smoke out the exaust, runs clean couple minutes a again large puff smoke and fuel in water.Had injectors checked and positive are OK. Whats next thanmk… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,478 satisfied customers
Yanmar 1GM10, starts easily first go every go. However it has
Yanmar 1GM10, starts easily first go every go. However it has what appears to be fuel or oil coming out of the exhaust. There is some blue/white smoke present when under load (3200 rpm). Have now repl… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,478 satisfied customers
I have a Yanmar 2GM20F that starts and runs about 20-30 seconds
I have a Yanmar 2GM20F that starts and runs about 20-30 seconds then dies. Just prior to this problem the engine would not throttle up when operating. Any ideas?… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,478 satisfied customers
Engine smokes, mixing elbow seems fine, no evidence of water
Engine smokes, mixing elbow seems fine, no evidence of water on dip stick. Also, throttle will not idle down when lever is pulled back to neutral position. engine: 3GM30F… read more
Yachtwork
Yachtwork
Owner Team Yachtwork
Technical or Trade School
1,042 satisfied customers
have a 1991 2gm 13 rated hp yanmar diesel in my 1977 28 ft
have a 1991 2gm 13 rated hp yanmar diesel in my 1977 28 ft mariner sailboat. I am cruising south to the bahamas & now am stuck in port canaveral, with fuel related problems. It started near jacksonvil… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I have a 1975 Hunter 30 ft. yanmar Yse12, I just bought it
I have a 1975 Hunter 30 ft. yanmar Yse12, I just bought it in nov. my problem is it seems to smoke (black) in the eng.comp. and is more noisey than i think is normal. I pulled the valve cover off and … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I have a yanmar 3GM30F. Yesterday as I was leaving my mooring,
I have a yanmar 3GM30F. Yesterday as I was leaving my mooring, when I throttled forward I saw a fair amount of what looked like oil coming from my exhaust. It was temporary, but left a long streak of … read more
Yachtwork
Yachtwork
Owner Team Yachtwork
Technical or Trade School
1,042 satisfied customers
I have a pair of Yanmar 240 HP with 780 hrs on them. The exhaust
I have a pair of Yanmar 240 HP with 780 hrs on them. The exhaust elbows on port engine just rusted through and came apart and filled the engine room with thick black smoke on my MAINSHIP 40. I can see… read more
Professor Diesel
Professor Diesel
Proprietor
Vocational, Technical or Trade Scho
14 satisfied customers
Two boating friends have had the dry exhaust elbow fail on
Two boating friends have had the dry exhaust elbow fail on 315 HP Yanmar diesels. Both failures resulted in a completely severed exhaust elbow. Talk around the marina is that these elbows (after the t… read more
John B
John B
Owner
Marine Manufacturer Certifications
14 satisfied customers
Victory 35 Catamaran, 3gm30f yanmar, worked perfectly until
Victory 35 Catamaran, 3gm30f yanmar, worked perfectly until a hard-start on a cold morning. #3 cylinder not firing... lots of white smoke, no rpm change when decompression lever raised, injector was r… read more
Dan Boy
Dan Boy
Amusement ride technician
High School or GED
110 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:

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

18,478 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 >

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