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I have a 2004 Mercruiser 5.7 250 hp, Alpha one drive, gen 2.
I have a 2004 Mercruiser 5.7 250 hp, Alpha one drive, gen 2. I've seen some info online about “drive showers” / “drive coolers”, and am just looking for an opinion or advice as to whether or not these… read more
Jason
Jason
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I can't get water up to the engine from the muffs. I did the
I did the impellar put the lower case back on and still can't get water up into the engine … read more
Jason
Jason
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I have a 1987 sea ray with twin 5.7's that I just bought.
Hello, I have a 1987 sea ray with twin 5.7's that I just bought. The port engine is overheating at idle speeds and it's losing fluid. Ive seen it boil out of the cap, also boiling into the overflow an… read more
Charles
Charles
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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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I have just brought fletcher with a 3.0 mercruser inboard
hi i have just brought fletcher with a 3.0 mercruser inboard with an alpha one sterndrive looks like new and i believe its four years old. the guy put it on the hose and it pumped water fine. i have t… read more
Tan
Tan
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I need to replace the impellar on my seawater system for my
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Noel Schembri
Noel Schembri
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I have a 06 mercruiser/alpha with a closed cooled system went
I have a 06 mercruiser/alpha with a closed cooled system went to run it after 2 weeks and it overheated no water to the heat exchanger the pump on the sterndrive is working the impeller on the engine … read more
James
James
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Vocational, Technical or Trade Scho
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I have a mercruiser 140 hp I/O, sterndriver and I cant get
I have a mercruiser 140 hp I/O, sterndriver and I can't get water from the muffs to the motor.… read more
Jason
Jason
Marine Mechanic
18,802 satisfied customers
We have a 1987 Alpha 1 outdrive. 165horse 4cyclinder engine
We have a 1987 Alpha 1 outdrive. 165horse 4cyclinder engine with heat exchanger. Engine overheated, sea water leaking into boat thru transom. Any ideas?… read more
Jeff G.
Jeff G.
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Vocational, Technical or Trade Scho
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i have a mercruiser 350 mag mpi. i revved the engine loading
i have a mercruiser 350 mag mpi. i revved the engine loading on to trailer out of water. next day i put it in, now the engine is running hot. seemes no water is being picked up.. i checked under the b… read more
James
James
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Vocational, Technical or Trade Scho
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I have a 89 Cheeta 20 ft with a Mercruiser I/O 4.3 6 cyl. It
I have a 89 Cheeta 20 ft with a Mercruiser I/O 4.3 6 cyl. It had been winterized and now I want to put it back in the water. Is there a plug or similar devise I need to remove so that the engine will … read more
James
James
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Vocational, Technical or Trade Scho
4,094 satisfied customers
I have 2007 5.0 MPI Merc I/O with FWC. I just had a complete
I have 2007 5.0 MPI Merc I/O with FWC. I just had a complete annual service. Everything fine and they finished with a tank test where they back the boat/trailer in. Boat is stored outside w/cover and … read more
Kenny
Kenny
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(Mercruiser Alpha 1 lower unit. 1987) I had a new u-joint
(Mercruiser Alpha 1 lower unit. 1987) I had a new u-joint bellow, u-joints, hoses and water impeller installed at a shop 2 months ago. Finally took the boat out last week,(all good on the water). Came… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
i have a slight noise coming from my alpha one outdrive...changed
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mercmastertech
mercmastertech
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i have a 5.7 l mercruiser inboard that is overheating at trolling
i have a 5.7 l mercruiser inboard that is overheating at trolling speed only. changed the impeller and it's still happening. runs cool at higher rpms in fact if it starts to climb when trolling 2.5 mp… read more
ROCKET
ROCKET
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Vocational, Technical or Trade Scho
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I had my ski boat with Mercruiser 350 on trailer with water
I had my ski boat with Mercruiser 350 on trailer with water hose hooked up to the sea strainer and ran the motor. The water did not come out of exhaust while running the motor. I already replaced the … read more
gearheadII
gearheadII
Bachelor's Degree
138 satisfied customers
I have a 40 hp, 1993 mercury outboard that is overheating.
I have a 40 hp, 1993 mercury outboard that is overheating. Today is the first day I put it in the water - when I started it, there was a water stream coming from the engine, but the alarm went off lat… read more
FieldServiceTech
FieldServiceTech
Vocational, Technical or Trade Scho
146 satisfied customers
Have a 1990 Bayliner mercury 4.3 Alpha 1 6 cylinder. After
Have a 1990 Bayliner mercury 4.3 Alpha 1 6 cylinder. After dewinterizing, boat in water, no water getting thru to engine. Friend winterized for us and said all we need to do is put in water and fire u… read more
ROCKET
ROCKET
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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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