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I have a 2006 Mercruiser 5.0 engine, I just changed the oil
I have a 2006 Mercruiser 5.0 engine, I just changed the oil and replaced the raw water impeller,(which I've done several times before because they've been broken, took the boat out for a test run and … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
Just from a previous issue of overheating issue... My
Hi , just a follow up from a previous issue of overheating issue... … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
Jason, what would the part number be on the fuel pump for my
Jason, what would the part number be on the fuel pump for my 2006 mercruiser 5.0 mpi? Also, the filter if that should be changed out also since they kind of share the same housing. Thanks… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
2007 rinker fiesta vee 5.7 liter mercury. At full throttle
at full throttle alarm sounds heat spikes could the problem be high fuel presser … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
The engine run s cool the under a load heats up. Installed
The engine run s cool the under a load heats up. Installed new thermostat and water pump impeller. Notice when under way I am feeling a pulse of water in the hoses going to the risers. The other engin… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
Recently had manifold and risers opened and checked.
Recently had manifold and risers opened and checked. Replaced with new gaskets. At that point the engine starting overheating at idle, 225+ add a little throttle 1000rpm, it would cool off below 160. … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
I have a Sea Ray year 2004, 240 Sundeck. I'd like to upgrade
I have a Sea Ray year 2004, 240 Sundeck. I'd like to upgrade the 5.0L MPI Bravo® III MCM Stern Drive (260 hp - 194 kW) engine. The engine has lots of hours and compression issues in 3 cylinders. What … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
Steve here. 2003 merc 5.0 injected. overheating iasue due to
Steve here. 2003 merc 5.0 injected. overheating iasue due to rrestricted flow. pickups r clear, new impeller. new manifolds risers amd blocks in 2014.… read more
Noel Schembri
Noel Schembri
Marine Mechanic
Diploma
2,759 satisfied customers
Dominick I have a 2013 searay slx 210 and got a "sys fault"
Hi Dominick I have a 2013 searay slx 210 and got a "sys fault" message. When we hit the up arrow it said "low pressure, engine power will be limited ... Engine guardian is active". Boat seems fine at … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
have a 5.0 mpi overheating on tick over have replaced raw
have a 5.0 mpi overheating on tick over have replaced raw water pump impellor but still persists temp goes down quickly when rpm lifted ex side ok was told by dealer that quicksilver sent out undersiz… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
Hi, I am in australia, I have bought a 28ft Bertram 1987, the
Hi, I am in australia, I have bought a 28ft Bertram 1987, the current engines are GM 305 260hp carbie inboard shaft drives with counter rotation. The engines are unservicable, Compression loss, Starte… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
i want to replace my mercruiser engines on my sunseeker 29
i want to replace my mercruiser engines on my sunseeker 29 Mohawk 1989 model which engines would you recommend i have presently 20 year old 5.7 mercruiser alfa… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
Hi there I have a 5,0 Mercruiser MPI with a alpha one drive
Hi there I have a 5,0 Mercruiser MPI with a alpha one drive with seawaterpump in it. I would like to modify the seawater system and install an engine mounted drivebelt driven seawaterpump. Can I use t… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
I have an after-factory Chevrolet 454cc "big block" engine
I have an after-factory Chevrolet 454cc "big block" engine with a Merc. Alpha I sterndrive on a 22 ft Formula boat, which consistently runs hot after 10 to 15 minutes at full throttle. Could the engin… read more
Noel Schembri
Noel Schembri
Marine Mechanic
Diploma
2,759 satisfied customers
I have a mercruiser 5.0L MPI Bravo engine and would like to
I have a mercruiser 5.0L MPI Bravo engine and would like to fit in boat with alpha transom assy and drive. I have make adjustments to water entering engine and replace shift bracket. Question is: do I… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
I have a 2006 Mercruiser 5.0 w/ Bravo III. The engine stalls
I have a 2006 Mercruiser 5.0 w/ Bravo III. The engine stalls at idle after being run 30 minutes or so. The engine will not start again until it has apparently cooled down. I have hade the entire fuel … read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
348 satisfied customers
I am looking to purchase a near mint condition 22 foot aluminum
I am looking to purchase a near mint condition 22 foot aluminum boat with a hardtop. It looks great, but I have always been leery of Merc's since owning a couple of them back in the 1980's and 1990's.… read more
Dominick
Dominick
Marine Mechanic
Vocational, Technical or Trade Scho
1,009 satisfied customers
I have a mercruiser 5.0 MPI and Bravo III sterndrive. The ...
I have a mercruiser 5.0 MPI and Bravo III sterndrive. The boat shifts easily into reverse, but it will not go into forward gear. The engine will rev, like it is in neurtral, but it will not go forward… read more
Pappy's Sales and Service
Pappy's Sales and Service
Vocational, Technical or Trade Scho
586 satisfied customers
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Meet the Experts:

Ted G.

Ted G.

Rigger, Diagnostician

3,332 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

22,804 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

Noel Schembri

Noel Schembri

Marine Mechanic

2,759 satisfied customers

Advanced technical diploma

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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.

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