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Prospective purchase. 5.7 mercruiser 350 mag mpi. risers at
Second Opinion] prospective purchase. 5.7 mercruiser 350 mag mpi. risers at 100 degrees, manifolds at 189 or so, both temps via handheld IR temp reader. Temp at guage at helm stays around 175. This wa… read more
Jason
Jason
Marine Mechanic
24,193 satisfied customers
One engine on a dual installation shows temp drop on gage
one engine on a dual installation shows temp drop on gage when up on plane..GM 5.7 EFI mercruisers with Bravo III outdrives. That engine I replaced the themostat the same issue.replaced the sending un… read more
Jason
Jason
Marine Mechanic
24,193 satisfied customers
Looking for a recommendation for type of propeller
Looking for a recommendation for type of propeller replacement for my boat. 26 ft Searay 260DA. 5.7 Mercruiser 350 MAG MPI 300 HP with Bravo 3 outdrive. Max RPM is 5000. Ratio is 2.20 : 1. Current cou… read more
Charles
Charles
Certified Mercury Tech
5,752 satisfied customers
Is a Sea Ray Sundeck 5.0 Mercruiser, Bravo III engine big
Is a Sea Ray Sundeck 5.0 Mercruiser, Bravo III engine big enough to pull a skier up with 4 people in that boat? … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 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
24,193 satisfied customers
I have a 1998 5.7 carburated v8 mercruiser with a bravo 3
I have a 1998 5.7 carburated v8 mercruiser with a bravo 3 outdrive. The boat was running fine, but starting yesterday when accelerating to get the boat on plane, its loses power and stalls. The engine… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
I have a 2009 Mercruiser 350 Mag MPI with Bravo 1 drive in
I have a 2009 Mercruiser 350 Mag MPI with Bravo 1 drive in a Stingray boat. The boat runs great at idle but as you increase throttle it begins to skip badly around 2,000 rpm. 2,500 is a slow plane for… read more
Jason
Jason
Marine Mechanic
24,193 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
24,193 satisfied customers
i have a 95 sleekcraft with mercruiser bravo 7.4 and bravo
i have a 95 sleekcraft with mercruiser bravo 7.4 and bravo 1 outcrive. i can drive about 15 minutes at full throttle but am only getting 3800-4000 rpm now.after that the boat will rev up fine to 5000+… read more
Jason
Jason
Marine Mechanic
24,193 satisfied customers
I have a 23 Wellcraft with a new Crusader MPI engine, the
I have a 23' Wellcraft with a new Crusader MPI engine, the engine seems to run great but the boat will not come up on plane, is it possable the out drive is at fault?… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
I saw a 1996 chaparral 2130 ss with a 7.4 mercruiser,bravo
I saw a 1996 chaparral 2130 ss with a 7.4 mercruiser,bravo 2 outdrive,dual stainless steel prop with extended hull for quick planning. I was told this engine over heats. What is the gas mileage? Will … read more
Noel Schembri
Noel Schembri
Marine Mechanic
Diploma
3,046 satisfied customers
I have a 310 sundancer with 2 7.4 liter I/Os. My port side
I have a 310 sundancer with 2 7.4 liter I/O's. My port side outdrive lower unit was rebuilt last fall and a new outer casing/ housing was installed. The outer casing is a new style which differs sligh… read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
348 satisfied customers
What is the correct gear ratio for the outdrive on a MCM 5.7Lv8
What is the correct gear ratio for the outdrive on a MCM 5.7Lv8 the boat is a Rinker, Engine serial # XXXXX Trans serial # XXXXX there is a 1.84:1 on at the moment but we think it has been changed, an… read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
348 satisfied customers
My boat has 2 1997 7.4ltr MPI engines that have been rebuilt
My boat has 2 1997 7.4ltr MPI engines that have been rebuilt 6 months ago.I bought the boat 1 month ago.The engines have difficulty stabilising after first starting and will some times stall. after a … read more
shane j forrest
shane j forrest
Vocational, Technical or Trade Scho
270 satisfied customers
I have a 1996 20 baja outlaw w/350 mercruiser eng-stock- with
I have a 1996 20' baja outlaw w/350 mercruiser eng-stock- with a 144 series weind supercharger,750 holley carb.The boat ran great until last year. It wouldnt plane out from the start Once the boat pic… read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
348 satisfied customers
How do I get my boat to track straight at very slow speeds
How do I get my boat to track straight at very slow speeds? I have a new 230CCR Crownline Cuddy. It weaves back and forth horribly at 1,000 rpms, and basically any time that it isn't on plane.… read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
348 satisfied customers
I have a 1998 Mariah 214 Jubilee with a 350 mag V-8 5.7 litre,
I have a 1998 Mariah 214 Jubilee with a 350 mag V-8 5.7 litre, bravo III with dual 28 pitch props. The engine runs smooth, never hesitates to start when you touch the switch and does not cut out or ru… read more
mercmastertech
mercmastertech
Service Manager, Master technician
Technical School
249 satisfied customers
I have 2001 Chaparral witrh twin 5.7 EFIs and Bravo 3 Stern
I have 2001 Chaparral witrh twin 5.7 EFI's and Bravo 3 Stern Drives On Sunday I had to run the boat up to 4000 RPM's to cruise at 26-27 MPH Seemed like the port engine was lagging - Tried put both eng… read more
briggs archer
briggs archer
master marine mechanic
Associate Degree
403 satisfied customers
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Ted G.

Ted G.

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John White

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Jason

Jason

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Tan

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Jeff G.

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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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