I have twin 225hp Merc optimal engines (2007, with 1000I have twin 225hp Merc optimal engines (2007, with 1000 hours on @ engine), on a 25' Boston Whaler. The engines get a 100 hour annual service / every fall, very well maintained. On a recent trip, the … read more
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
Engine is a 150 optimax. Engine is performing fine .... ButEngine is a 150 optimax . Engine is performing fine .... But while idle or running out I get 4 beeps about every 5 min . Check water pressure , at idle 7 lbs running about 15 lbs , all other gauges re… read more
Charles
Certified Mercury Tech
5,752 satisfied customers
I have a 75 HP Marine engin, BBAL(###) ###-####(Model No.. PurchasedI have a 75 HP Marine engin, BBAL(###) ###-####(Model No.. Purchased this boat, a 17 foot Montauk Boston Whaler, and engine from an individual, second or thrid hand. Last season, last run, it ran well… read more
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
2002 Mercury 150 hp 2 stroke keeps going into guardian mode.2002 Mercury 150 hp 2 stroke keeps going into guardian mode. What are the typical problems associated with this? (my boss just bought a a boston whaler 180 ventura used) The former owner indicated tha… read more
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
I have a 1988 Boston Whaler Guardian 22 ( Military versionI have a 1988 Boston Whaler Guardian 22' ( Military version of the Outrage ) that I paid 17K for last year in average to good condition ... details below... I have an offer that will net me $8500 ... … read more
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
my water pump alarm goes off when crusing over 4700 rpms onmy water pump alarm goes off when crusing over 4700 rpms on one motor, but there is plenty of water getting dischared out of the motor......it reduces power to that motorfor about a20 seconds? what is… read more
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
MY BOSTON WHALER RAGE JETBOAT OVER HEATS WITH HOSE ON ITMY BOSTON WHALER RAGE JETBOAT OVER HEATS WITH HOSE ON IT OR IN THE WATER CAN FIND NO BLOCKS IN SYSTEM DID I MISS SOMETHING XXX-XXX-XXXX CELL RON… read more
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
I have a 1993 Merc 350 Magnum 5.7 L with Alpha 1 outdrive.I have a 1993 Merc 350 Magnum 5.7 L with Alpha 1 outdrive. Engine overheats under heavy throttle (usually runs about 170 according to gauge), but not while keeping below 3000 rpm. Checked flow from ou… read more
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
I have a 2001 Boston Whaler Outrage with a 2001 225 hp Optimax.I have a 2001 Boston Whaler Outrage with a 2001 225 hp Optimax. my speedometer gauge seems to malfunction, works fine up to 20 mph and then drops to 0. Merc# XXXXX is there a replacement unit that wil… read more
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
2005 40 4-stroke. Motor cranks great, it will idle up to 20002005 40 4-stroke. Motor cranks great, it will idle up to 2000 in gear fine. after low speed idle then acceleration and planing the 13 whaler I get a solid alarm horn, and the motor cuts back. Once I i… read more
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
The warning sensor goes off at about 3000 rpm and shuts downThe warning sensor goes off at about 3000 rpm and shuts down the motor on my 150 Merc Optimax. Oil reservoir is full, water pump is working fine, fuel level is fine. Getting worse about how often it h… read more
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
2004 Yamaha f225 starts, idles fine, runs well up to 3000 rpm,2004 Yamaha f225 starts, idles fine, runs well up to 3000 rpm, almost 3500, then surges between 3500 to 4500 and solid warning horn comes on. Motor has had all filters replaced, new plugs, all new inj… read more
Jeremy R.
MarineTechnician
9,023 satisfied customers
I have a 2005, 150hp xr6. I noticed a reduced pressure on theI have a 2005, 150hp xr6. I noticed a reduced pressure on the water pressure gauge the last few months. Finally when I idle the high temperature alarm goes off. When I running fast it doesn't. I repla… read more
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
I have 2 1999 Optimax 225 on my 28 Boston Whaler. One engineI have 2 1999 Optimax 225 on my 28 Boston Whaler. One engine shows the temperature rising until the alarm sounds even at a low speed. What should I look for. Also the same engine will not tilt or trim… read more
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
Yamaha 300 hp 2 stroke I start out going 4600 rpm and theYamaha 300 hp 2 stroke I start out going 4600 rpm and the engine drops to 4000 rpm after it warms up. When I stopped and checked the water outlet it was cold - in case the engine was heating up. Help … read more
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,730 satisfied customers
We have a 1987 Regal with twin Merc 470s. One motor runs extremelyWe have a 1987 Regal with twin Merc 470's. One motor runs extremely hot when under power then when placing in nuetral and run at approx 2000 rpm cools right down - We had had the impellor replaced, th… read more
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
I have a 2005 Mercury 115. At full throtle the tempo alarmI have a 2005 Mercury 115. At full throtle the tempo alarm sounds. At 4K rpm ther is no problem this is about 16 MPH. I have changed the impeller, Thermostat, and the sensor. It takes about 30 sec for… read more
FieldServiceTech
Vocational, Technical or Trade Scho
146 satisfied customers
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