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I asked you a question a couple weeks back about the
Hello Charles, I asked you a question a couple weeks back about the operating temps of my 2005 150xr6. You helped me narrow down that the exhaust tuner was loose and that was probably causing my eleva… read more
Charles
Charles
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I have a 2014 Mercruiser 5.7 fresh water cooled. It
I have a 2014 Mercruiser 5.7 fresh water cooled. It overheated yesterday. I put a gallon of coolant in tonight and ran it. It stayed at 160-170 at dock idling for 15 minutes. I took it for a ride and … read more
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Jason
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My 1997 350 mercruiser i/o temp gauge fluctuates a lot. After
My 1997 350 mercruiser i/o temp gauge fluctuates a lot. After warming up to normal 170... when I throttle it the gauge drops and sometimes stays at 0 for a little while. Changed the sending unit senso… read more
Tan
Tan
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Certified Marine Technician
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Just bought a boat with a 1993 5.8L cobra. Took it out and
Just bought a boat with a 1993 5.8L cobra. Took it out and it ran at 140°. Suspected the thermostat was bad so I replaced the thermo and housing.Took it back out on the water and still ran at 140° and… read more
Tan
Tan
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Hurricane 202. Just bought it. 2007. Tachometer not working
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Tan My starboard engine runs about 20 degrees hotter than
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Tan
Tan
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Certified Marine Technician
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my 2001 mercrusier 350 MAG MPI Gen+ Inboard, S/N 0L671768 drivers
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Tan
Tan
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Hi, I own a 2008 185 sport w/3.0L TKS Alpha type Mercruiser
Hi, I own a 2008 185 sport w/3.0L TKS Alpha type Mercruiser 4 cyl motor. To date it has 80 hrs on the clock and I've been miticulous about winterizing and servicing the fluids except for the cooling s… read more
Tan
Tan
MerCruiser Certified Technician
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I have a 2007 sea ray 230 select with a 350 mag and bravo three
I have a 2007 sea ray 230 select with a 350 mag and bravo three deive. The other day we took it out and I ran it WOT with the captains call on it ran hot after about 10 minutes. We shut it down to coo… read more
Tan
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The Faria temperature gauge on my 98 Bayliner Ciera 2452 (Merc
The Faria temperature gauge on my 98 Bayliner Ciera 2452 (Merc 5.0) runs consistently at 175F (climbs to that temp within 5-10 mins of running, even at iddle). I've checked the actual engine block tem… read more
Michael
Michael
master marine technician/charter captain
Vocational, Technical or Trade Scho
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I have a Yanmar Yanmar Marine Diesel Engine Model 4JH4-HTE.
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Tan
Tan
MerCruiser Certified Technician
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Ford Mustang Boss 302 was running my ford 302 inboard engine
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I have a Volvo marine engine MD11D diesel engine in my sailboat,
I have a Volvo marine engine MD11D diesel engine in my sailboat, that had been overheating. I had the local marine center replace the impeller, thermostat,had the exhaust manifold acid bathed, and put… read more
Tan
Tan
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what is the normal operating temperature for exhaust manifolds
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Jeremy R.
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i have an1997 prostar 205. I have aproblem with the water temp
i have an1997 prostar 205. I have aproblem with the water temp going up I have checked the impeller and the transmission cooler scren both are clear. I ran my boat today at low speed for a few minutes… read more
Tan
Tan
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Certified Marine Technician
11,409 satisfied customers
i have a mercruser 5.0 inboard and when i run 4000 rpm it runs
i have a mercruser 5.0 inboard and when i run 4000 rpm it runs hot about 190 f if i run for a period of 5 minutes or more but if i run 3000 rpm it stays below 190 f . i also have duel props on the out… read more
Tan
Tan
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Certified Marine Technician
11,409 satisfied customers
2004 had a new 350 mercruiser installed in 1980 boat always
2004 had a new 350 mercruiser installed in 1980 boat always ran at 180 heated up to 220 upon stopping told by installer of motor that it was normal. This year heated up to 200 would not cool down, sho… read more
mercmastertech
mercmastertech
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I have a 1987 mercruiser alpha-one V-6 185 on a Wellcraft.
I have a 1987 mercruiser alpha-one V-6 185 on a Wellcraft. I can not get the temprature to raise above 120 deg. even after it runs for over 30minutes. I replaced the temp gauge and sender with an elec… read more
Mechman45
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