Boat

Have Boat Questions? Ask a Boat Repair Expert.

Ask an Expert,
Get an Answer ASAP!

Related Boat Questions
I have a 2005 mcm 350 mag mpi will rev in neutral but when
I have a 2005 mcm 350 mag mpi will rev in neutral but when onder a load only revs to 2500 new fuel pump and filter … read more
Jason
Jason
Marine Mechanic
18,652 satisfied customers
I have a 1999 mercruiser 350 mag mpi on a Tige ski boat that,
I have a 1999 mercruiser 350 mag mpi on a Tige ski boat that, under load, will not go past 3500 rpm. In neutral it will go up to 5500. An on the water mechanic checked the plugs, timing, prop, but sti… read more
Jason
Jason
Marine Mechanic
18,652 satisfied customers
I own a 2008 SeaRay 290 Amberjack with twin Mercruiser 350
I own a 2008 SeaRay 290 Amberjack with twin Mercruiser 350 MAG MPI engines. Full Tune Up each year in Spring (New Jersey) with plugs, cap, rotor. Approx 230 hrs. Fuel burn is approximately 20% higher … read more
orcamarine
orcamarine
Proprietor
Vocational, Technical or Trade Scho
7 satisfied customers
I have a 2005 merc, mag 350 mpi with bravo one outdrive. The
I have a 2005 merc, mag 350 mpi with bravo one outdrive. The engine will not start with the throttle all the way down, I have to move it up a little bit (seperate levers, one for throttle one for gear… read more
orcamarine
orcamarine
Proprietor
Vocational, Technical or Trade Scho
7 satisfied customers
1997 mercruiser 7.4L MPI. On starboard engine RPMs go from
1997 mercruiser 7.4L MPI. On starboard engine RPM's go from 1500 down to 1000, back to 1500. Continues surging up and down if we don't lower the rpm. We have no problem if we stay steady at 1200 rpm. … read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
I have a 1999 350 mag mpi. Will not go above 2000 rpm under
I have a 1999 350 mag mpi. Will not go above 2000 rpm under load. Found injectors to #3,4,5, & 6 not firing,1,2,7, 8 Ok. Replaced MAP and ECM no improvement. HELP!!!… read more
KKassel
KKassel
OWNER
High School or GED
381 satisfied customers
my 2665 Regal is powered by a 350 Mercruiser Bravo III. I have
my 2665 Regal is powered by a 350 Mercruiser Bravo III. I have recently had trouble reaching anymore RPM's than 3500 or 12kts in speed. No other issues, but lack of speed. any thoughts… read more
Jason
Jason
Marine Mechanic
18,652 satisfied customers
GMC I have a 350 ram jet in a boat the book states the fuel
I have a 350 ram jet in a boat the book states the fuel pressure should be 55-62 psi everyone I have talked to says 45psi is fine. My problem is hard to start after the motor is run for a while then s… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
I have a Mercruiser 350 MAG Mpi it is in a tige 21i. (Inboard).
I have a Mercruiser 350 MAG Mpi it is in a tige 21i. (Inboard). Recentley after using the boat all day with no issues went to start and had a hard time. Once it started it would not idle. Above 1000 r… read more
Ted G.
Ted G.
Rigger, Diagnostician
Vocational, Technical or Trade Scho
704 satisfied customers
mercury 350 mag idles fine. revs up to 4000rpm in neutral
mercury 350 mag idles fine. revs up to 4000rpm in neutral. dies when in gear at about 2500 rpm had a new impeller installed. wnet out on lake yesterday and discovered one of the drain plugs was broken… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
I have a 2003 Mercruiser Mag 350 serial OM587340. Engine idles
I have a 2003 Mercruiser Mag 350 serial OM587340. Engine idles fine and runs well at 3000-3500 rpm for 5-10 min. Engine then bogs/hiccups and will not maintain rpms. Changed fuel/water separator and f… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
Where is the hour meter located on a Mercruiser 350 Mag MPI,
Where is the hour meter located on a Mercruiser 350 Mag MPI, or do they not all come with one?… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
i have a 2002 mercruiser inboard with a 330 hp 350 mpi. The
i have a 2002 mercruiser inboard with a 330 hp 350 mpi. The boat has under 150 hrs on it. I recently replaced the cap/rotor/plugs/wires/fuel seperator. Problem: I have to apply 1/2 to 3/4 throttle to … read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
My Mercruiser 350 mag will not rev above 2000rpm under load.
My Mercruiser 350 mag will not rev above 2000rpm under load. Fuel filter has been checked no fuel leaks visible.… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
Hi ! I heard about an injection system kit for a cobra OMC
Hi ! I heard about an injection system kit for a cobra OMC engine (7,4 litre) in replacement of the holley carburettor . I cannot find any in my search . Can you help please ? Thanks a lot Stefano (la… read more
Joe
Joe
Owner Kingsland Auto & Marine Services
Vocational, Technical or Trade Scho
1,374 satisfied customers
i have a merc 454 mpi mag i have changed out the tps sensor
i have a merc 454 mpi mag i have changed out the tps sensor the iac motor and the map sensor and it still idels at around 1000 to 1400 rpms . i am stumped… read more
Joe
Joe
Owner Kingsland Auto & Marine Services
Vocational, Technical or Trade Scho
1,374 satisfied customers
Mercruiser 350 Mag MPI Tow Sports engine in 2001 Tige. Fuel
Mercruiser 350 Mag MPI Tow Sports engine in 2001 Tige. Fuel pump and Cool Fuel runs on when ignition shut off. Continues to run until battery dead or switched off. Suggestions?… read more
mercmastertech
mercmastertech
Service Manager, Master technician
Technical School
249 satisfied customers
i have a 1999 pursuit 30 exrress with mercruiser 350 mpi power
i have a 1999 pursuit 30 exrress with mercruiser 350 mpi power starbord engine gets full rpm at dock under a load i can only get 300 rpm an some back fire changed full filter an plugs no water in fuel… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 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

18,652 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