Boat

Have Boat Questions? Ask a Boat Repair Expert.

Ask an Expert,
Get an Answer ASAP!

Related Boat Questions
I own a 2010 Mercury optimax 115. Is there an economical way
I own a 2010 Mercury optimax 115. Is there an economical way to boost the hp and not hurt the engine?… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
What's the difference between a 2013 mercury 4-stroke 115 hp
What's the difference between a 2013 mercury 4-stroke 115 hp outboard motor. and a 2015 mercury 4-stroke 115 hp outboard motor… read more
Clamp-onTech
Clamp-onTech
405 satisfied customers
Several years ago, I exchanged a 75 HP Merc 75 HP(1997)
Several years ago, I exchanged a 75 HP Merc 75 HP(1997) on my houseboat. Cost a bunch to have rigging, gauges cables, etc to complete swap. Now would like to go bigger HP, but having trouble finding g… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,485 satisfied customers
I will buy a new boat and engine soon. I have a 1994 Force
I will buy a new boat and engine soon. I have a 1994 Force which performs adequately. The dealer said I would be happy with the Merc. 115 four stroke. I am concerned about starting power to snatch a s… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,485 satisfied customers
Can I upgrade a Mercury Optimax 75hp DFI to an 115hp by removing
Can I upgrade a Mercury Optimax 75hp DFI to an 115hp by removing the insert and reprograming the PCM only. Instead to replace the PCM.… read more
Clamp-onTech
Clamp-onTech
405 satisfied customers
I have a 2008 mercury 115 optimax boat motor and think I have
I have a 2008 mercury 115 optimax boat motor and think I have a clogged water intake. I was fishing in heavy weeds and motored out of the channel. I got on plain for about 45 seconds and heard the ala… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
18,485 satisfied customers
hi Ive got a mercury 115 optimax on a rib 19 feet. its brand
hi I've got a mercury 115 optimax on a rib 19 feet. it's brand new with only 4 hours of use. last sunday I went out with it and suddenly the engine switched off. I restart again but the battery was fl… read more
Clamp-onTech
Clamp-onTech
405 satisfied customers
hello, first time hereand i am far....new caledonia near
hello, first time here and i am far....new caledonia near NZ i have a 2008 mariner optimax 115 with smart craft just did regular maintenace on it spark plug water pump fuel filter gear oil no issues a… read more
Expert-Repair
Expert-Repair
Owner Kingsland Auto & Marine Services
Vocational, Technical or Trade Scho
11 satisfied customers
Ive got two, 2008, never been used, 115 Mercury Optimax, 115
I've got two, 2008, never been used, 115 Mercury Optimax, 115 HP, outboard engines. The model numbers are: 115EXLPTO. I am planning to mount them onto a steel-hull houseboat that has a steel transom f… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
i have a 2004 mercury 115 salt water series optimax and it
i have a 2004 mercury 115 salt water series optimax and it cranks up fine but when giving it throttle it bogs down and it takes it a while to go before it takes off i have not ran it in about a month.… read more
Clamp-onTech
Clamp-onTech
405 satisfied customers
I have a 17.5 Lund Tyee (rated to 140 hp) and I fish Lake
I have a 17.5' Lund Tyee (rated to 140 hp) and I fish Lake of the Woods in northern MN & Canada with 4 adults in the boat. Mercury makes 115, 125 & 135 hp Optimax motors. Other than the small differen… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
looking at purchasing new mercury 115 for my 25 foot pontoon. should
looking at purchasing new mercury 115 for my 25 foot pontoon. should I go optimax 115 or 115 four stroke? Would like to pull kids on tube maybe wake board.… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
115 hp mercury optimax with running problem. Need a technical
115 hp mercury optimax with running problem. Need a technical manual. One of the carburators not getting enough fuel in. what could be the problem??… read more
Noel
Noel
Marine mechanic
Diploma
44 satisfied customers
Im purchasing a AB inflatable that is rated either 60 or max
I'm purchasing a AB inflatable that is rated either 60 or max 75 hp. The dealer talked me out of the 75 due to the larger casting (head). The reason being is that most of the performance difference, 1… read more
Yachtwork
Yachtwork
Owner Team Yachtwork
Technical or Trade School
1,042 satisfied customers
Hi...had a question about the differences between the OptiMax
Hi...had a question about the differences between the OptiMax and ETEC 2 strokes. Specifically, I was wondering if the fuel injectors need extensive winterization, and whether either of these models i… read more
Jeremy R
Jeremy R
1,069 satisfied customers
I have a 2004 75hp Merc Optimax and would like to up the hp
I have a 2004 75hp Merc Optimax and would like to up the hp to 90hp. According to the specs, the motors are identical. Is it just a chip change or is it more complicated?… read more
Pappy's Sales and Service
Pappy's Sales and Service
Vocational, Technical or Trade Scho
586 satisfied customers
Hi, I have a Johnson Big Twin outboard motor model No 407022
Hi, I have a Johnson Big Twin outboard motor model No: 407022 & serial No: c542672, I think that it is a 40hp,1970, 22" shaft from the model No, but all the ref. No do not seem to use these numbers. C… read more
Abiorca
Abiorca
Proprietor
Vocational, Technical or Trade Scho
1,768 satisfied customers
I have a Mercury 2007 75 HP 4 stroke EFI. I understand the
I have a Mercury 2007 75 HP 4 stroke EFI. I understand the bore and stroke is the same for the 90 and 115 HP. Is it possible to increase my HP rating.… 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:

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

18,485 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