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Morning. I have a 2000 Volvopenta 5.0 GIPEFS, raw water
Morning. I have a 2000 Volvopenta 5.0 GIPEFS, raw water cooled, in salt water, in the northeast. Ran well all season. Started to run hot last week, around 180-190 instead of its normal 140-150 (per th… read more
NicholasH311
NicholasH311
Owner/ lead technician
motorcycle and marine certifications
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I hooked up a manual oil pressure gauge, 40+ psi at idle. I
Jason,, I hooked up a manual oil pressure gauge, 40+ psi at idle. I pulled the plugs to do a compression test as I had planned. The port side all 4 cylinders are 185 - 190. Th starboard side, cyl 1 is… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
24,866 satisfied customers
K, I'm trying to figure out my overheat problem, over 3000
Hi K, I'm trying to figure out my overheat problem, over 3000 rpm only. First, I had a bad stern drive, replaced it, now coincidence or not, over heating. I first pulled the lower & removed the pump &… read more
Jason
Jason
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Vocational, Technical or Trade School
24,866 satisfied customers
My mercruiser engine raw water cooled the port riser very
hi my mercruiser engine raw water cooled the port riser very hot to touch engine temp normal… read more
Jason
Jason
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I have a 2001 Mercruiser 7.4L MPI on a Bravo 3, Serial #
I have a 2001 Mercruiser 7.4L MPI on a Bravo 3, Serial # ***** My temp gauge goes up and down from 160 to 170. I'm planning on changing the sender and checking the wires on the sender and gauge but th… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
24,866 satisfied customers
Tan here is a follow up based on your suggestions... The
Tan here is a follow up based on your suggestions... The pressure test of the cooling system did not reveal any real issue. There was a slight drop in pressure of the port engine but very very close t… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
We have a Maxmum 3300, year 2000, with twin mercrusier 305
We have a Maxmum 3300, year 2000, with twin mercrusier 305 cubic in, 205 HP, v8 with outdrives. Bottom exhaust boot meltdown between engine exhaust manifold and outdrive exhaust discharge on port side… read more
Jason
Jason
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Vocational, Technical or Trade School
24,866 satisfied customers
Tan My starboard engine runs about 20 degrees hotter than
Tan My starboard engine runs about 20 degrees hotter than port. At item the discrepancy is not noticeable but as Rpms increase it plays itself out… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
I have twin Volvo Penta 8.1 Gil-F engines in a V-drive configuration.
I have twin Volvo Penta 8.1 Gil-F engines in a V-drive configuration. My port engine runs hot when in idle. If I am running at speed or if I have at least 1500 RPM it cools fine. I have changed the im… read more
Jason
Jason
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Vocational, Technical or Trade School
24,866 satisfied customers
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
Tan
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Certified Marine Technician
11,409 satisfied customers
I replaced my raw water pump impeller and now i have water
I replaced my raw water pump impeller and now i have water leaking from the plugs in both the exhaust mainfold just before the riser. More water is coming out of the starboard side then the port side … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
24,866 satisfied customers
I have a mercruiser 260 350 chev engine .The starboard side
I have a mercruiser 260 350 chev engine .The starboard side of the engine is getting hot.Question is where does the thermostat go in the housing top or bottom seems to look like it could go either way… read more
Jason
Jason
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Vocational, Technical or Trade School
24,866 satisfied customers
new oil and filter, new impeler, engine temp was at 170-180.
new oil and filter, new impeler, engine temp was at 170-180. the exhaust risers were smoking a bit, and the exhaust temp senser melted off starboard side. oil preasure started out around 30- 40 then d… read more
Jason
Jason
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Vocational, Technical or Trade School
24,866 satisfied customers
I have a 2007 volvo penta 8.1 Gi-H with 20 hrs and am experiencing
I have a 2007 volvo penta 8.1 Gi-H with 20 hrs and am experiencing increased engine temps when the boat is running between 2000 and 2500 rpm. the temp runs normal at 3000rpm but when in rough seas we … read more
Tan
Tan
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Hello, I have a 1983 Bertram 28 Sport Fisherman with twin
Hello, I have a 1983 Bertram 28' Sport Fisherman with twin 230 hp merc IB with a closed cooling system. My starboard eng.started to run hot, about 170' and blowing white smoke out the exhaust port, th… read more
Captain Dave
Captain Dave
Charter Captain & I.S. Director
Master's Degree
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I have a 2005 Rinker 320 wit twin 5.0 s. The port engine runs
I have a 2005 Rinker 320 wit twin 5.0 's. The port engine runs 10 - 15 degrees hotter(195-195) than the starboard engine (175) when warmed up and under way. The port risers are hotter to touch than th… read more
Captain Dave
Captain Dave
Charter Captain & I.S. Director
Master's Degree
2,808 satisfied customers
1984 235 HP 5.0 over heats, stbd side flows better than port,
1984 235 HP 5.0 over heats, stbd side flows better than port, risers and manifold are clear what gives?… read more
briggs archer
briggs archer
master marine mechanic
Associate Degree
403 satisfied customers
Hi guys. I have a 2001 Baja 302 with 454 efis Never noticed
Hi guys. I have a 2001 Baja 302 with 454 efi's Never noticed before but both stb. exhaust risers are much hoter than port side when running. Boat has 75 hours on it and has always been fresh water flu… read more
Mechman45
Mechman45
Vocational, Technical or Trade School
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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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