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I have a 2005 Sea Ray 280 Sundancer. The starboard engine is
Hi, I have a 2005 Sea Ray 280 Sundancer. The starboard engine is reporting ‘lost comm' and alarm. However, I could still start and run the boat. I also get an alarm and eventually lose the engine symp… read more
CalebA820
CalebA820
Technician
Marine technology
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I have a 2000 Sea Ray Sundancer. 7.4L fuel injected. Won't
I have a 2000 Sea Ray Sundancer. 7.4L fuel injected … read more
Ted G.
Ted G.
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Vocational, Technical or Trade Scho
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1987 sea ray I am doing points and plugs. what is point gap
1987 sea ray I am doing points and plugs. what is point gap and fireing order on 454 260/v8 mercruiser … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
I tried everything to get these gauges to work.. Still
Hey Charles, I tried everything to get these gauges to work.. Still nothing. On the starboard side I'm working on, has a plug up by the front of the engine labed airmar and anther one label engine dig… read more
Charles
Charles
Certified Mercury Tech
5,752 satisfied customers
Have 2004 280 Sundancer twin Mercruiser 4.3's with Alpha 1
Have 2004 280 Sundancer twin Mercruiser 4.3's with Alpha 1 Gen 2 Outdrives. Everything worked last year but on de winterization the smartcraft gauges won't work for either engine. Engines run fine. No… read more
Charles
Charles
Certified Mercury Tech
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I have a 370 Sea Ray Aft Cabin with a 1999 Mercruiser 7.4L
I have a 370 Sea Ray Aft Cabin with a 1999 Mercruiser 7.4L MPI Mag 380 HP Gas Engine (serial #0L086599) and it will not start. Engine turns over but no start/fire. Local mechanic is telling me I need … read more
Jason
Jason
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Vocational, Technical or Trade School
23,191 satisfied customers
Greetings! I have 2 2000 Mercruiser 7.4 inboards in a 2000Cruisers
Greetings! I have 2 2000 Mercruiser 7.4 inboards in a 2000Cruisers 3375. I noticed the port engine was sluggish and laging behind the starboard engine by about 300 RPM and the boat has lost about 6 MP… read more
Jason
Jason
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Vocational, Technical or Trade School
23,191 satisfied customers
I believe this might be addressed to James........ I have
I believe this might be addressed to James........ I have a 43" 1991 Bayliner 4387 powered by twin Mercruiser 7.4L engines with 950 hours each. It is a closed system. The boat is in salt wter. The ris… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
I have a Mercruiser 7.4 EFI 350hp on a 30 Sea Ray Sundancer.
I have a Mercruiser 7.4 EFI 350hp on a 30' Sea Ray Sundancer. When running at 4800 RPM, after 30 minutes of cruising, the RPM dropped 400 rpm for about 3 minutes and then went back to 4800. It would r… read more
orcamarine
orcamarine
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Vocational, Technical or Trade Scho
7 satisfied customers
I have a 34 ft 1989 Sea Ray Sundancer twin 454s v drive 700hrs
I have a 34 ft 1989 Sea Ray Sundancer twin 454s v drive 700hrs . Starboard engine discharges oil slick on water that can only be seen at start up or shut down. I believe it is oil as both engines have… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
23,191 satisfied customers
I have a 2006 Sea Ray Sundancer. Last weekend i used my boat
I have a 2006 Sea Ray Sundancer. Last weekend i used my boat for the first time this season. I ran it for about 30 minutes between the 3000 to 3800 RPM range. Every time i would run it above 3000 rpm … read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
I just changed out my plugs, plug wires, cap and rotor on both
I just changed out my plugs, plug wires, cap and rotor on both of my engines-7.4l/454/MIE mercruiser engines. In my haste, I think I have the plug wires going to the wrong studs on the distributor cap… read more
Tan
Tan
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Certified Marine Technician
11,409 satisfied customers
I have a 2000 sea ray 340 with twim 7.4 newly installed in
I have a 2000 sea ray 340 with twim 7.4 newly installed in 2009 both by sea ray dealer .. ran the boat for 3 hours yeasterday and just before geting in the lifters sarted to tap on the starboard eng o… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
Im looking to purchase a 2000 Sea Ray 380 Sundancer. I heard
I'm looking to purchase a 2000 Sea Ray 380 Sundancer. I heard something about the engines having a problem. They list the engines as Mercruiser 7.4 EFI - FWC which I din't think were the standard engi… read more
Tan
Tan
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Certified Marine Technician
11,409 satisfied customers
I have 1998 Sea Ray 330DA with 7.4L Mercruisers. Exhaust sy
I have 1998 Sea Ray 330DA with 7.4L Mercruisers. Exhaust system is raw water cooled. I have water in both engines. Water looks like it is coming back in from the rizer on the outboard side of each eng… read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
348 satisfied customers
I have a 1998 Sea Ray 330DA Sundancer with twin big block mercruiser
I have a 1998 Sea Ray 330DA Sundancer with twin big block mercruiser V8's - just more than 400 hours on them. The starboard side engine has poor water flow through the exhaust. I've been told that the… read more
mercmastertech
mercmastertech
Service Manager, Master technician
Technical School
249 satisfied customers
starboard engine misses under load, I have installed new plugs,
starboard engine misses under load, I have installed new plugs, plug wires, rotor, cap, points, condensor, coil 1976 century mercruiser 233 ford 351's still misses... any ideas?… read more
briggs archer
briggs archer
master marine mechanic
Associate Degree
403 satisfied customers
Boat Question - I have a 2005 Sea Ray 280 Sundancer with twin
Boat Question - I have a 2005 Sea Ray 280 Sundancer with twin 5L MPI's and Bravo 3's outdrives. I noticed the port engine was only running at 95deg and the second engine was running around 150 to 160 … read more
Dr. Joe
Dr. Joe
Bachelor's Degree
198 satisfied customers
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Meet the Experts:

Ted G.

Ted G.

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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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