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We have a 1984 Carver Riviera. The starboard engine engages
We have a 1984 Carver Riviera. The starboard engine engages fine, but the port side engine will only engage in reverse. … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
Tan, I have a 1996 Evinrude 150 that has been working great.
Hi Tan, I have a 1996 Evinrude 150 that has been working great. Over the weekend it was also working great, after a break at the dock, went to start it again and it turns over but won't fire. Plenty o… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
Have a riviera m290 port motor starts fine nothing .
Have a riviera m290 port motor starts fine nothing for starboard. Not even alarm noise when turn key on console… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
I have a pair of Mercruiser 454 mpi v-drive engines in my
I have a pair of Mercruiser 454 mpi v-drive engines in my boat. The port angine has a rattling sound coming from just forward of the transmission at idle. The noise goes away when I bump the rpm up to… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
1993 Evinrude 120 90* looper I have twins on my boat and
1993 Evinrude 120 90* looper I have twins on my boat and the port motor started making noise, slight knock at idle that you could only hear with the boat in the water, as well as a decel knock. This h… read more
Charles
Charles
Certified Mercury Tech
5,076 satisfied customers
Hi, Am writing from Sydney Australia. I have a Riviera M400
Hi, Am writing from Sydney Australia. I have a Riviera M400 fitted with twin 2005 Volvo Penta D6-350 diesel stern drives. On the way home from a day out yesterday, I got a warning light on the analog … read more
Malta Tech
Malta Tech
Marine Tech
High School or GED
287 satisfied customers
I have a 1998 sea ray with twin 350 efi and brovo 1. I was
I have a 1998 sea ray with twin 350 efi and brovo 1. I was on plane at 4000 rpm whet the port just stoped no noise just like the key was turned off. It will not start seams to be getting fuel, the oil… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
Mercury 200 EFI: 200hp EFI. Running on plane approx. 4000
200hp EFI. Running on plane approx. 4000 rpm engine died. After re-start will not rev above idle and after 4-5 mins will die again. Re-started numerous times but still will not rev above idle. Water p… read more
orcamarine
orcamarine
Proprietor
Vocational, Technical or Trade Scho
7 satisfied customers
I have a 45 Riviera boat with C9 Caterpillar diesel motors.
I have a 45 Riviera boat with C9 Caterpillar diesel motors. The port engine recently started to overheat above 1800 revs, with the temp hitting 97 degrees (starboard engine ~87 degrees). I assume grow… read more
KKassel
KKassel
OWNER
High School or GED
52 satisfied customers
qsm11 port motor with 550 hours in Riviera ,coupled to a twin
qsm11 port motor with 550 hours in Riviera ,coupled to a twin disc ec 300 g./box. loses power or cuts out totally . could low battery power cause this ?… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
We just put in a new engine battery in our Hunter 376 sailboat.
We just put in a new engine battery in our Hunter 376 sailboat. We've been motoring down the intercoastal for the last three days and the engine has been starting and running fine. This morning, the e… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
2000 Polaris jet ski wont start all of a sudden. When the
2000 Polaris jet ski won't start all of a sudden. When the lanyard is in the switch location, it does nothing. When I pull the lanyard out and hit the start button, it makes a noise from the electrica… read more
Expert
Expert
I just rebuilt the water pump on my twin Yamaha 150 four stroke
I just rebuilt the water pump on my twin Yamaha 150 four stroke engines. When I ran each motor, there was a slight rattling/knocking sound that I hadn't noticed before. I once again took the lower end… read more
Noel Schembri
Noel Schembri
Marine mechanic
Diploma
1,740 satisfied customers
I just had a new 3.0 Mercruiser motor, transom plate, and outdrive
I just had a new 3.0 Mercruiser motor, transom plate, and outdrive installed in my 52' houseboat. When we started the motor with a hose (as the boat is on a trailer), I noticed that water was only com… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
My 383 ci chevy stroker loses oil pressure at high RPM and
My 383 ci chevy stroker loses oil pressure at high RPM and the lifters start rattling. When the engine is idled or run at lower RPMs (up to 3500 RPM) it runs fine with up to 75 psi oil pressure. The o… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I have twin 1996 Evinrude 175 Ocean Pros. The port motor
I have twin 1996 Evinrude 175 Ocean Pro's. The port motor starting missing at RPM's over 4000 last summer. It has now begun to miss consistently at 4000 RPM's. The starbord motor has also begun to mis… read more
davesoutboard
davesoutboard
owner
Associate Degree
1,570 satisfied customers
I have a Riviera 4000 with twin Volvo TAMD 74L engines. Intermittantly
I have a Riviera 4000 with twin Volvo TAMD 74L engines. Intermittantly the port engine drops out of gear and sits at 1000 rpm. Any input from the throttle is ignored until the engine is shut down and … read more
Yachtwork
Yachtwork
Owner Team Yachtwork
Technical or Trade School
1,048 satisfied customers
my 25 hp 2000 johnson outboard is smoking bad and often gets
my 25 hp 2000 johnson outboard is smoking bad and often gets spurts of thick smoke. I also hear a rattle that is very similur to the ball in a almost empty spray paint can. Do you have any idea what c… read more
Master Tech
Master Tech
Service Manager/Technician
Vocational, Technical or Trade Scho
1,167 satisfied customers
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Meet the Experts:

Dominick

Dominick

Marine Mechanic

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25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified

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Jason

Jason

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Tan

Tan

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Jeff G.

Jeff G.

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Captain Dave

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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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