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I have a 2005 mercury optimax that is going into safe mode
I have a 2005 mercury optimax that is going into safe mode and I have replaced the oil tank and sensor, water sensor, cleaned the vst tank. I am getting 4 beeps every 2 minutes.. Can you tell me anyth… read more
Charles
Charles
Marine Mechanic
5,068 satisfied customers
4 beeps. Hold on, still typing. 1998 optimax. 4 beeps.
1998 optimax. 4 beeps. replaced oil resevoir. works. bypassed by jumper anyway. as for the fuel. drained the gas tank, added new fuel. cleaned out the fuel filter. opened the vapor separator drained out all the fuel. still same symptom. one other symptom. when running at 1800 rpm, (more than idle obviously) , it smokes. not sure if it is related problem.… read more
Charles
Charles
Marine Mechanic
5,068 satisfied customers
We are Pier 21 marine. we have a 1999 200hp mercury optimax,
we are Pier 21 marine. we have a 1999 200hp mercury optimax, won,t run over 40mph. customer said it normally runs 73mph. our stats unit hooked to motor said the tps 1 an tps 2 set a code so we replace… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
I have a 115 hp mercury optimax (2006) with low compression
i have a 115 hp mercury optimax (2006) with low compression in one of three cylinders. 80 psi, 115psi, 115 psi. will this cause the smart alarm to sound and go into idle mode.(which it does after abou… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
I have a 2001 mercury optimax 225 i am having intermittent
Hi I have a 2001 mercury optimax 225 i am having intermittent power reduction where rpm temporary drop from 4200 rpm to like 3500 and then bounce back - I have checked water separator and now water in… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
2007 150 hp Mercury Optimax engine alarm sounds at low rpm
2007 150 hp Mercury Optimax engine alarm sounds at low rpm after engine runs at high rpm for 20 minutes or more. If I do not run engine over 2500 rpm from startup engine will run hour or more with no … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
My 2007 90 hp optimax i was just going 32mph then it just dropped
My 2007 90 hp optimax i was just going 32mph then it just dropped down to 7mph and wont go any faster… read more
Charles
Charles
Marine Mechanic
5,068 satisfied customers
New question. When I start the port optimax 200hp year 2000,
New question. When I start the port optimax 200hp year 2000, it revs real high, a one beep alarm goes off, and I then throttles normal. This only happens on start up on a cold engine… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
Hi Jason, I have a Volvo D3 160 that stalls at any RPM over
Hi Jason, I have a Volvo D3 160 that stalls at any RPM over 2500. Fuel filters are new and fuel system is clean. What do you think?… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
2007 75 hp optimax sometimes idles rough then stalls, after
2007 75 hp optimax sometimes idles rough then stalls, after several attempts at starting it runs fine, what are the possible problems… read more
orcamarine
orcamarine
Proprietor
Vocational, Technical or Trade Scho
7 satisfied customers
I have a 1999 225 optimax. On acceleration it would hit the
I have a 1999 225 optimax. On acceleration it would hit the power band at about 3200 RPM. Now, when i accelerate to 3200 and beyond to over 4k the power bond doesn't kick in. Some times it will kick i… read more
Whitecap36
Whitecap36
Service Manager/Technician
Vocational, Technical or Trade Scho
1,545 satisfied customers
Hi - I have a 2008 Mercury Optimax 90HP 2 stroke. When I have
Hi - I have a 2008 Mercury Optimax 90HP 2 stroke. When I have been at low rpm then slowly accelerate an alarm sounds and the smartcraft guage tells me there is a fault..but all readings are good. If I… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
I have a 2007 mercury 90hp outboard and whan I hit around 3000
I have a 2007 mercury 90hp outboard and whan I hit around 3000 rpm the engine will at times rev up to 4500 rpms without me moving the throttle and a loud continous beep goes off until I turn off the e… read more
Noel Schembri
Noel Schembri
Marine mechanic
Diploma
1,735 satisfied customers
optimax 2001 200hp-I seem to have a vapor lock problem...just
optimax 2001 200hp-I seem to have a vapor lock problem...just guessing. I replaced pump bulb and new lines but engine is still starved of fuel. Would the vapor seperator require any type of maintenanc… read more
Whitecap36
Whitecap36
Service Manager/Technician
Vocational, Technical or Trade Scho
1,545 satisfied customers
My 2006 75 HP Mercury Optimax started sputtering while at full
My 2006 75 HP Mercury Optimax started sputtering while at full throttle on plan. The last time this happened it shut off. Started right back up and then I had an alarm sounding three of four beeps eve… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
2004 Mercury 200hp Optimax... New Plugs, Cleaned Carbs, New
2004 Mercury 200hp Optimax... New Plugs, Cleaned Carbs, New Gas(no eth) Bogs down and stalls intermitantly, when engine increases RPM's, engine is sometimes sluggish. RPM tops out at 4600 with out tri… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
i have twin 200 Mercs 2003 2 stroke optimax and having problems
i have twin 200 Mercs 2003 2 stroke optimax and having problems which basically ruined last season . I had a local dealer work on it last summer and after taking it for a test run this year the proble… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
My Mercury 200 Optimax will sound an alarm about 2500 rpm and
My Mercury 200 Optimax will sound an alarm about 2500 rpm and at 3000 rpm it sputters and at 31-3200 it quits. What could be the problem?… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
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Dominick

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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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