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My motor was running good and now it started bogging and
My motor was running good and now it started bogging and won't go over 2000 rpm … read more
Charles
Charles
Certified Mercury Tech
5,629 satisfied customers
Got a 2001 mercruiser 350 mag mph ski SNOL675412. After
got a 2001 mercruiser 350 mag mph ski SNOL675412. After running, let the boat sit for a while and it will die on idle. I thought it was an Idle Air Valve but this engine doesn't seem to have one. any … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,406 satisfied customers
Mercruiser 1998 350 MPI MIE SKI MAG 0L305632 Stalling The story -- its a Tige bowrider
Mercruiser 1998 350 MPI MIE SKI MAG 0L305632 Stalling The story -- its a Tige bowrider and we took on a LOT of water -- engine stalled out we towed it back -- bailed it out, dried it out found water i… read more
Noel Schembri
Noel Schembri
Marine mechanic
Diploma
1,805 satisfied customers
Have a Mercury 9.9 Big Foot. Starts in neutral only at full
Have a Mercury 9.9 Big Foot. Starts in neutral only at full throttle. When I try to slow it down or get into gear - engine dies… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
19,618 satisfied customers
I have a 2000 Calabria cal air XTS with the mercruiser 350
I have a 2000 Calabria cal air XTS with the mercruiser 350 mag MPI. When I start it it makes a sucking sound through the intake idles up until the motor is reved or idles high enough to smooth out. On… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
19,618 satisfied customers
Hey there. I have a 2000 Johnson 150. Bought it 90 days
Hey there. I have a 2000 Johnson 150. Bought it 90 days ago, idle rough on the test but all else on the Robalo was amazing. Bought the boat and took it out the next week. It died at idle several times… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
19,618 satisfied customers
4.3 ltr V6 Merc I/O been running great all summer. Ran 30
4.3 ltr V6 Merc I/O been running great all summer. Ran 30 minutes out and began trolling at idle speed. About 20 minute later, motor coughed, sputtered and died. Restarted once for about 5 minutes and… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,406 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
Vocational, Technical or Trade School
19,618 satisfied customers
Have a ski boat with 350 Mag MPI...boat ran fine all morning
Have a ski boat with 350 Mag MPI...boat ran fine all morning towed surfers and wake boarders...boat sat for 3 hours..went to go out again...boat making loud rattling noise at idle...noise went away af… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,406 satisfied customers
I hve a 2001 emerald deck boat with a Bravo 3 350 cubic inch
I hve a 2001 emerald deck boat with a Bravo 3 350 cubic inch Mercruiser in it. I noticed when slowing down after running for 20 minutes that the engine cooled down to 100 degrees as I was slowing down… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 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
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I have recently purchased a used 2004 Crownline 225BR sporting
I have recently purchased a used 2004 Crownline 225BR sporting a 5.7L GXI 350 Mag Volvo Penta and Volvo Penta Duo Prop outdrive. Only to find out later that it was once a salt water vessel. Before eve… read more
K. Kergan
K. Kergan
Inboard/Outboard Mechanic
Vocational, Technical or Trade Scho
1,031 satisfied customers
I purchased a 2003 searay sundancer with Twin 350 mag v-drives.Each
I purchased a 2003 searay sundancer with Twin 350 mag v-drives.Each motor has a factory installed flush attachment where a garden hose is to be attached with a male adapter which I had to purchase. I … read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
i have a merc 350 mag mpi runnung fine after i went out for
i have a merc 350 mag mpi runnung fine after i went out for a couple hours just as i was pulling up to the dock the audio alarm went off. when i restarted the engine 30 seconds later it went offr agai… read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
348 satisfied customers
1994 Yamaha 200hp Pro V TLRS I rebuilt the power head after
1994 Yamaha 200hp Pro V TLRS I rebuilt the power head after blown crank, the engine idles well, runs WOT at 4,700 rpm and is strong as soon as it gets on plane. The engine is weak from idle to plane. … read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
Had a remanufactured long block 5.7 Mercruser 350 MAG with
Had a remanufactured long block 5.7 Mercruser 350 MAG with 270 HP installed in a 23 Bowrider (replacing a 7.4 Mercruiser engine). When we test drove it made a funny smell and the mechanic looked at it… read more
Master Tech
Master Tech
Service Manager/Technician
Vocational, Technical or Trade Scho
1,167 satisfied customers
Hi Larry. I own a 2003 Tige 21i with a 350 mag mpi tow sports
Hi Larry. I own a 2003 Tige 21i with a 350 mag mpi tow sports motor. I have for years now been dealing with an issue related to the engine going into a protection mode signalled by the double alarm be… read more
Expert
Expert
I bought a boat with a 1998 2-stroke 85hp suzuki. It ...
I bought a boat with a 1998 2-stroke 85hp suzuki. It started fine,but when I gave it some gas it died. Started up again,gave it gas and it ran great for about a minute and the died down to idle even t… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
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Meet the Experts:

Ted G.

Ted G.

Rigger, Diagnostician

7,408 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

19,618 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

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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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