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2007 Mercury OptiMax 150, I have a flashing Check Engine,
2007 Mercury OptiMax 150, I have a flashing Check Engine, Oil and Alarm bell; with 4 beeps every 2 minutes … read more
Jason
Jason
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Vocational, Technical or Trade School
19,618 satisfied customers
I have S200J20HD, optimax, serial number OE439026 with just
I have S200J20HD, optimax, serial number OE439026 with just 30 hrs on it. Smart guage is showing a warning bell icon and motor icon. No warning beeps and engine gaurdian has not kicked in. Seems fine … read more
Charles
Charles
Marine Mechanic
5,633 satisfied customers
I have a 2003 Mercury Optimax 135 HP engine. On the dash the
Hello - I have a 2003 Mercury Optimax 135 HP engine. On the dash the "Oil Reserve, 59%" warning alarm is going off. Is there a reservoir being blocked for why this is happening? … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
19,618 satisfied customers
I have a 2005 225 optimax and it has 1 smartcraft Tachometer
Hi. I have a 2005 225 optimax and it has 1 smartcraft Tachometer and no speedometer. It is a version 7 gauge. Everything works fine apart from I can not get the fuel remaining working. It will tell me… read more
Charles
Charles
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5,633 satisfied customers
I have a 1999 225 optimax, I seized the original motor and
I have a 1999 225 optimax, I seized the original motor and had a new power head installed . Since that time there is a warning lights on the dash, oil, gas, overheat, check engine light. the check eng… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
19,618 satisfied customers
I tried the separate gas tank NO CHANGE, I checked the 2
Jason, I tried the separate gas tank NO CHANGE, I checked the 2 fuel pumps (low & high pressure and both are working. ran it at a low idle for about 10 minutes at low RPMS when I increased the throttl… read more
Charles
Charles
Marine Mechanic
5,633 satisfied customers
I have a 2005 Mercury 225 optimax and the smart gauge gives
I have a 2005 Mercury 225 optimax and the smart gauge gives the fault that the oil pump is not getting voltage. The motor was running great until this fault began to show. I have checked everywhere I … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
19,618 satisfied customers
My son has a 2007 mercury 225 hp xl. We bought it 2 yrs ago.
My son has a 2007 mercury 225 hp xl. We bought it 2 yrs ago. It ran well at 5600 to 5800 rpms. New power head with 50 hrs when we bought it. It has the smart gauges. It set up a few months with Stabil… read more
Charles
Charles
Marine Mechanic
5,633 satisfied customers
Im worried about buying a 2000 model Mercury 200 EFI. It runs
Im worried about buying a 2000 model Mercury 200 EFI. It runs great and checks out mechanically, but friends tell me to can the oil injector and mix my oil? I can't decide what to believe about the re… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,406 satisfied customers
I have a 2007 Mercury 225HP Optimax engine. It has an external
I have a 2007 Mercury 225HP Optimax engine. It has an external oil reservoir located in the bilge of the boat. Recently the bracket holding the reservoir broke and two wires from two sending units in … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
19,618 satisfied customers
I have just installed a 2013 Mercury Optimax on my boat. I
I have just installed a 2013 Mercury Optimax on my boat. I replaced a 1999 Optimax that died. I want to hook the 1999 Optimax warning lights for oil and temp to the new Optimax. I do not want to buy t… read more
Charles
Charles
Marine Mechanic
5,633 satisfied customers
Own a 200hp optimal 2001 Just had service, normal 100 hr service
Own a 200hp optimal 2001 Just had service, normal 100 hr service plus replaced oil res on motor and one air sensor, anyway just took her out and still had a low oil readout on my my smart gauges (show… read more
Charles
Charles
Marine Mechanic
5,633 satisfied customers
I have a 2007 150 Optimax, the last time i started my motor
I have a 2007 150 Optimax, the last time i started my motor with muffs it started right up as usual but sputtered a bit and cleared up. I have a smart gauge on my boat and when i left the boat ramp th… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
Aloha from Hawaii, I have a 2007 Optimax, serial #1B491896.
Aloha from Hawaii, I have a 2007 Optimax, serial #1B491896. I am getting 4 beeps every two minutes, and a continual beep at approximately 4000 rpms. I have drained the fuel filter container of water (… read more
orcamarine
orcamarine
Proprietor
Vocational, Technical or Trade Scho
7 satisfied customers
I have a mercury Optimax 225. The first thing that happened
I have a mercury Optimax 225. The first thing that happened is the Warning light came on on the bottom sensor and also the sensor to the left. (This is on the console) We replaced the water pump impel… read more
orcamarine
orcamarine
Proprietor
Vocational, Technical or Trade Scho
7 satisfied customers
I have a 2001 225 optimax. Took it out for the first time
I have a 2001 225 optimax. Took it out for the first time this season and after running for about twenty minutes everything performing well the smart alarm started beeping 4 times every 2 minutes. Che… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
19,618 satisfied customers
I have a 2002 Boston Whaler w/ Smart gauge/ indicator system
I have a 2002 Boston Whaler w/ "Smart" gauge/ indicator system ( 2002 Mercury 225 -Optimax...The fuel gauge on Smart System flashes on / off as if there is no fuel...when tank is full....Asking .....H… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
I have a 2007 Mercury Optimax 115Hp. The warning horn is coming
I have a 2007 Mercury Optimax 115Hp. The warning horn is coming on and staying on when the key is turned to the on position. When this problem began the boat was not running but simply turned on to ch… read more
TOM
TOM
Vocational, Technical or Trade Scho
196 satisfied customers
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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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