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Why would someone block the ports on the riser for A 454
Why would someone block the ports on the riser for A 454 crusader engine or are they suppose to be blocked it had 2 gaskets 1 open and 1 closed… read more
DavidJ25
DavidJ25
Marine Mechanic Supervisor
Vocational, Technical or Trade School
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Overheating, I've cleaned the risers with were pretty bad.
I've cleaned the risers with were pretty bad. do i need to go further ?? … read more
Noel Schembri
Noel Schembri
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I have a 2002 Cruisers 4270 express cruiser. The engines are
I have a 2002 Cruisers 4270 express cruiser. The engines are 8.1 HO serial number 610560 and 610561. The starboard engines exhaust manifold hose on the out board side has an issue with burning through… read more
Jason
Jason
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Vocational, Technical or Trade School
22,804 satisfied customers
I have 1995 crusader 454 xli engines. Just checked riser
i have 1995 crusader 454 xli engines. Just checked riser temperatures on both engines. Port side engine - Both risers at 98 degrees. Starboard side engine- 1 riser at 150 degrees, the other is 130 deg… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
Have a 454 Crusader engine which is overheating a bit and
Have a 454 Crusader engine which is overheating a bit and blowing stream . When it reaches about 180 I drop rpm and stays around 160 . All liquid levels are fine . No milky oil . Checked impeller it's… read more
Tan
Tan
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Certified Marine Technician
11,409 satisfied customers
My name is I have a 2004 31' TIARA with twin captains choice
good morning my name is keith I have a 2004 31' TIARA with twin captains choice crusaders. my issue is I have a lot of what looks to be condensation coming from the exaust pipes the engine temp is fin… read more
Tan
Tan
MerCruiser Certified Technician
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we are getting the sea ray 87 weekender need to know the spec
we are getting the sea ray 87 weekender need to know the spec and the equipment that model comes with what is the capacity water tank what is the capacity for the holding tank for sewer… read more
Tan
Tan
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Certified Marine Technician
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I have a crusader 350cdi 270 engine in my ChrisCraft 1982.
I have a crusader 350cdi 270 engine in my ChrisCraft 1982. My mechanic says the risers should have an operating temperature of less than 140 degrees. One side is at 135 to 140 and the other is closer … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
Hi Have a 1961 Century Crusader with a 170 hp AMC engine,
Hi Have a 1961 Century Crusader with a 170 hp AMC engine, have trouble with the temp going to high 200 when I push it. have flushed lined taken thermostate out and have taken pump apart rubber rotors … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
I am in the process of buying a 1995 Carver 355 with 454 crusaders
I am in the process of buying a 1995 Carver 355 with 454 crusaders that have 448 hrs on them. I have just had the compression chek and the oil samples anylized. I am not sure how bad is bad. Here is t… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
hi i have a crusader 454xl engine 1995 yr 780 hrs on them,i
hi i have a crusader 454xl engine 1995 yr 780 hrs on them,i seem to be loosing antifreeeze i fill up the expansion tank about a quart in about 1hr of running 3200 rpm's fresh water cooled engines does… read more
orcamarine
orcamarine
Proprietor
Vocational, Technical or Trade Scho
7 satisfied customers
I just bought a 1986 regal with twin 190 merc engines. I am
I just bought a 1986 regal with twin 190 merc engines. I am losing water on the starboard motor in the fresh water cooled side of motor. The engine ran hot above 200, the water is going out somewhere.… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
I have a boat with a Crusader 350 vdrive and I want to replace
I have a boat with a Crusader 350 vdrive and I want to replace it with a raw water cooled 350.Since the motor sits facing the stern,can a standard motor,manifolds and risers be used?Thank you.… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
I have water in my oil due to a sudden stop, water came in
I have water in my oil due to a sudden stop, water came in the exhaust and into the cylinder heads, I removed the water from the cylinders but after several oil changes cannot seem to get it out of th… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
1991 Luhrs 350 with 454 marine power engines. Engine were replaced
1991 Luhrs 350 with 454 marine power engines. Engine were replaced new about 8 years ago. They have 400 hours on them. The boat is in salt water. The exhaust manifold are fresh water cooled. After rep… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,409 satisfied customers
hi there, 1997 38 carver sant. runs hot like 210 degrees and
hi there, 1997 38 carver sant. runs hot like 210 degrees and every part has been changed.454s 650 hours and i am afraid to go far because it will overheat.… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
I just recieved two rebuilt engines, one works great and the
I just recieved two rebuilt engines, one works great and the other over heats. The oil in the port engine has less than one hour useage. New oil and filter put in a few weeks ago. I was told that the … read more
Captain Dave
Captain Dave
Charter Captain & I.S. Director
Master's Degree
2,808 satisfied customers
I have a Crusader 454 330 hp overheating. Older engines. Replaced
I have a Crusader 454 330 hp overheating. Older engines. Replaced manifolds and risers 2 yrs ago. Also replaced U cooler, and water pump. Replaced zincs and ran acid through u cooler and heat exchange… read more
Noel Schembri
Noel Schembri
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Diploma
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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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