Boat

Have Boat Questions? Ask a Boat Repair Expert.

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

Related Boat Questions
1994 Mercury O/ 150 hp EFI Optimax. engine starts fine,
1994 Mercury O/B 150 hp EFI Optimax. engine starts fine, idles fine. put it in gear, advance throttle to approx. 1200-1500 rpm. any more throttle and engine noses over and stalls. Changed HP fuel pump… read more
Charles
Charles
Certified Mercury Tech
5,619 satisfied customers
BOAT MOTOR: 02 Mercury Marine 40 hp 4-stroke EFI PROBLEM:
BOAT MOTOR: 02 Mercury Marine 40 hp 4-stroke EFI PROBLEM: Varied power at full throttle. This is my Father's boat in question. It runs fine at full throttle for a couple of minutes (launched out on th… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
20,443 satisfied customers
I have a 2007 40 hp efi 4s mercury and has always ran great.
I have a 2007 40 hp efi 4s mercury and has always ran great. My prop got bent and was running ruff and now will only rev up to 2800 rpm. I changed out the prop with a new one but it will only rev to 2… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
20,443 satisfied customers
My 13 yr. old son recently purchased a 1976 Boston Whaler with,
My 13 yr. old son recently purchased a 1976 Boston Whaler with, what we were told, is the original Mercury 400 (40 hp) Outboard Engine. This boat/engine set up includes a key start; an electric (?) ch… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
20,443 satisfied customers
I have a 2002 40 HP EFI Mercury and the last few times I had
I have a 2002 40 HP EFI Mercury and the last few times I had the boat out it would run great for 30 minutes then I would go to shore (turn engine off) then when I went out again it would start to bog … read more
Charles
Charles
Certified Mercury Tech
5,619 satisfied customers
I have a 06 mercury 40hp EFI 3cyl outboard motor. It runs great
I have a 06 mercury 40hp EFI 3cyl outboard motor. It runs great out of water with a hose connected to it. When I put the boat in the water it takes off just fine then drops RPM's. It's suppose to run … read more
Charles
Charles
Certified Mercury Tech
5,619 satisfied customers
2012 15 Boston Whaler Supersport with a Mercury 40 hp EFI.
2012 15' Boston Whaler Supersport with a Mercury 40 hp EFI. We get the BEEP, BEEP BEEP when in the water at the ramp just turning the ignition key, but not cranking the motor. The motor will crank but… read more
Charles
Charles
Certified Mercury Tech
5,619 satisfied customers
Mercury optimax 1.5....Ok, I know Im an idiot, but the boat
Mercury optimax 1.5....Ok, I know I'm an idiot, but the boat set all winter and I took it for a run today and it never got up to speed, 3000 rpm max, one time it jumped to 5300 rpms, but slowed back t… read more
Charles
Charles
Certified Mercury Tech
5,619 satisfied customers
I have a Suzuki 250 HP four stroke on a Robalo 2160 which was
I have a Suzuki 250 HP four stroke on a Robalo 2160 which was modified to add a 3ft long guill bracket. The engine is mounted on the gill bracket making the effective length of the boat 24'. The boat … read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
Im looking at buying a new tracker 165 boat weight is app.
I'm looking at buying a new tracker 165 boat weight is app. 845 lbs. I want to purchase w 20 EL four stroke mercury. The dealer has to order the 20 EL but has boat in stock w 40 four stroke. He told m… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
20,443 satisfied customers
I have a 2005 Boston Whaler nantucket with a Mercury 125 Saltwater
I have a 2005 Boston Whaler nantucket with a Mercury 125 Saltwater outboard. Prop is aluminium 13 1/4" Pitch 21. RPM is 4800 flat out. Engine is right down on the transom, and I wonder what height I s… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,406 satisfied customers
!)I have a 2000 40 hp 4 stroke Mercury outboard model # XXXXX
!)I have a 2000 40 hp 4 stroke Mercury outboard model # XXXXX 4STR. It is a tiller control and manual start. It has maybe 20 hours on it total. Question: can this engine be retro fitted into an electr… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
20,443 satisfied customers
Hi I have a1998 1800 capri bayliner with a 120 force and was
Hi I have a1998 1800 capri bayliner with a 120 force and was wanting to up grade to a 150 efi mercury outboard.Will the transom be strong enough for this outboard . Or can the boat handle more or less… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
20,443 satisfied customers
Hi, I have three questions. 1. I have a 60 hp mercury
Hi, I have three questions. 1. I have a 60 hp mercury 4 stroke EFI year 2003, at high speed, RPM goes beyond 7000 rpm, also what is the proper idling rpm for this motor. What could the problem for rpm… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
Have a 2000 13 sport Boston Whaler with a 2001 30 Hp Mercury.
Have a 2000 13 sport Boston Whaler with a 2001 30 Hp Mercury. It has a hard time getting on a plane with two people on board. I've added Atwood Hydrofoil fins to the cavitation plate. It only helped a… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
I just bought a 2000 25 Hp Mercury outboard and used it for
I just bought a 2000 25 Hp Mercury outboard and used it for the first time this weekend. It is on a 13 ft Boston Whaler and the highest RPM I could get was 4200. The speed was also lower than I would … read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
I have a 20 ft pontoon boat that came with a 40 hp mercury/force.
I have a 20 ft pontoon boat that came with a 40 hp mercury/force. I swapt the motor with a 120 hp elpt mercury/force with a 21 pitch prop. Its a dog. What is the right prop?… read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
348 satisfied customers
Hello, I bought a 2007 boston whaler 131/2 ft boat with a 2007
Hello, I bought a 2007 boston whaler 131/2 ft boat with a 2007 mercury 40 hp 4-stroke outboard motor I try to do all winterization on it my self only question I have is how do I fog the motor so fog g… 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.

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

1,488 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

20,443 satisfied customers

Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

MerCruiser Certified Technician

11,406 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