mercruiser 350 mag compression test|Mercruiser 5.7 Compression Test : exporting I was hoping to find out what the compression should be on a 350 Magnum engine with the alpha drive. The year is a 1996. I went to check out a boat today and the . web2020, 1ª edição; 2020, 2ª edição; 2022, 3ª edição; 2023, 4ª edição. Nota do editor: as normas legais constantes desta publicação foram consultadas no Sistema de Legis-lação .
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Did a compression test on my 5.7L 350 mercruiser and I had 175psi across all cylinders accept for one cylinder at 180psi. Is this acceptable? Mercury MerCruiser Sterndrives & Engines. All, I'm looking at a boat that has full inboard Mercruiser 350 / 260. (not I/O) I had the compression checked and all cylinders were . I was hoping to find out what the compression should be on a 350 Magnum engine with the alpha drive. The year is a 1996. I went to check out a boat today and the . At first I thought the outdrive was not trimming properly but I did an compression test and discovered one cylinder has no compression and another cylinder on the same bank .
Test each cylinder using a compression gauge and have freind turn engine over three cycles. LOG EACH READING ON PAPER. If numbers are close to each other (150, 150, . I bought a Rinda scan tool but bought the Mercruiser Cable but actually need the CAN cable (2013) so still unable to read ECU parameters. Does anyone have any guesses or experience with low WOT problem on 350 MAGs?
If your going to self diagnose, you can start with a compression test, running the motor and with foaming oil looking for an intake leak, and hook up a temporary outboard style . In the process of purchasing a 2000 Sea Ray 260 with a Mercruiser 5.7 EFI. Engine has approximately 850 hours. The mechanic did a compression test first thing this .
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The best way to do a compression test and a leak-down test, demonstrated on my boat's Mercruiser (Chevy-block) engine. Good demonstration with lots of explanation and helpful tips..
This video shows how to do a compression test on a marine gasoline sterndrive engine. This video shows how to do a compression test on a marine gasoline sterndrive engine. Engine is a 2002 Mercruiser 350MAG MPI . NHGuy Captain. Joined May 21, 2009 Messages 3,631. Apr 27, 2010 #2 . you can start with a compression test, running the motor and with foaming oil looking for an intake leak, and hook up a temporary outboard style fuel tank with known fresh gas. . Fuel injected 350 MAG MPI backfire. any suggestions .
The only problem with my Mercruiser 350 MAG MPI with serial numebr 0M627854 is It will not go above 3000 RPM. It was fine just 2 months back and could hit 4800+. Running at 10MPH all day just isn't fun. . I also did .
In the process of purchasing a 2000 Sea Ray 260 with a Mercruiser 5.7 EFI. Engine has approximately 850 hours. The mechanic did a compression test first thing this morning before we launched the boat and got the following: Cylinder 1: 135 Cylinder 2: 160 Cylinder 3: 130 Cylinder 4: 160 Cylinder 5: 135 Cylinder 6: 135 Cylinder 7: 155 Cylinder 8: 155 I have a 2001 Mercruiser 350 Mag Horizon engine that received a valve job last summer and was running okay, but now it does not turn over past 3200 rpms. The mechanics at my marina took a look at it and seemed to be baffled as to the cause. . Also you may want to do another cylinder compression test to ensure everything is still working . I have a 2003 Maxum 2700 with a 350 Mag MPI Serial #0m643181 I've replaced plugs, wires, cap, rotor, and cam position sensor. All with Mercruiser parts. I've done a compression test and all cylinders are good. I checked the fuel injectors with a cheap amazon tool and all injectors flow the same.
350 MAG Bravo 3 W/DTS. In a word, no. That regulator on the rail is a leftover from the automotive application of this motor. . but it might want to pull your spark plugs to see if they give you any input and when you do that go ahead and do a compression test to eliminate any problems that could cause these same kind of problems with the .Captain's reports and/or test numbers for this model are archived. . Mercury Marine’s MerCruiser 350 MAG is one of the most prolific engine platforms used to propel vessels under 35’ (10.7 m). Whether in single or twin-engine applications, this power plant has seen it all. The newest model incorporates Emission Control Technology (ECT .Captain's reports and/or test numbers for this model are archived. . Axius 350 MAG MPI (300-hp) (2008) Brief Summary. . Axius by MerCruiser. By Capt. Rob Smith Pod drives created a lot of excitement when they were originally introduced in the larger cruisers and yachts, and now Axius is creating a ground swell of support in the large .
1993 Mercruiser 7.4L with 135hrs on it. Did a compression test to see what was what, and was surprised to find lowest at 110psi and the highest at 125psi with most at 115-120. These seem pretty low to me, but maybe that is normal for this engine. I was expecting to see around 150 or so.
New to iboats forums and had a question on compression for my 1994 donzi 21 5.7 mercruiser engine. Did compression test and results were 115, 120,110,115,119. but 1 cyclinder tested at only 90. Do i need to have my engine rebuilt? Seems like the engine runs fine but just worried because thought all cylinders should be +/- 10. Engine is a Mercruiser Mag 350 Ski MPI with 300 hours since new connected to a v drive in a Tige ski boat. Engine is down on power & idles poorly. Installed a new set of plugs and carried out a compression check. Number 2, 3 & 5 cylinders only show 50 psi all the rest are at 170 psi. Squirted some oil in 2,3 & 5 and tried the compression check .
Recently had my 350 MAG MPI 5.7L Mercruiser engine tuned up. Replaced plugs, distributor cap, rotor, V8 wire set, water-separating fuel filter, in-line fuel filter, etc. with all new Mercruiser parts. . Ran cylinder compression test and fuel pressure test and everything checked out OK. Started replacing all items one by one until we . 1999 Powerquest legend 260 sx 502 mag 2005 Baja 242 islander 496 Engines 502 mpi Bravo 1 . 1992 Sea Ray 350 Express Bridge Engines 454 Mercruiser CI. I have a 1992 Mercruiser 454 with 1300 hours. It burns zero oil and seems to run strong, besides an oil pump issue. . Compression test on twin 350s revealed one or 2 cylinders with low .
In this article, I will discuss some common problems that Mercruiser 350 MAG MPI owners may encounter, along with their symptoms, possible reasons, and effective solutions. Mercruiser 350 MAG MPI .This genuine MerCruiser 350 MAG MPI engine will work with MerCruiser Alpha One and Bravo outdrives and most 5.7L MPI inboard applications made after 2005-2015. This engine i Search site. Engine Sales & Support. 1-877 .
The Hopeless 350 MAG MPI
Mercury MerCruiser Service Bulletin Bulletin No. 2011-11R2 OEM No. 2011-07R2 . compression, ignition, and exhaust—when determining the . IMPORTANT: To ensure that a misfire issue has been resolved, clear the fault in CDS G3 and water test the boat for two run Hi all, first time poster here. I attempted to go out for a family cruise today and could not get the boat to plane out or go over 3300 rpm. Brought the boat over to a guy that knows a few things about marine engines and through a series of checks he found that 6 of 8 cylinders have compression around 260psi.I have a bunch of bent push rods now which he .MerCruiser 350 Mag MPI (MerCruiser 5.7 v8 Magnum) | 300 hp / 300 Horsepower | 1 to 22.8 US Gallons per hour | More Mercury MerCruisers 3.0 | 4.3 | 5.0 | 5.7 efi | 6.2 | 7.4 | 8.1 | 8.2 Fuel consumption Gallons per hour (gph) *G = US Gallons per Hour / RPM Select MerCruiser Test Model HP Fuel consumption WOT Boat owner? MerCruiser 3.0 MPI/TKS . I am interested in buying a boat with Mercruiser 350 MAG mpi., ran for 300h, good service history. the engine is 10 years old (2008 model) however i dont have previous experience with Sterndrive engines. . Should be more like 4400-4600. Compression test results are OK. Oil pressure @ idle (think you meant 57?) is usually 40 cold engine but .
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Mercruiser 350 Mag. Hey everyone I need some serious help. Chasing this intermittent overheat issue on my 2007 350mag. . Have you done a quick compression test? You say it runs great, but it would be worth knowing as both will help rule out internal engine issues. Jul 6, 2024 #14 M. Mikeyb203 Member. Jul 10, 2023 44 Boat Info 260 Sundancer .
Engine Brand: MerCruiser Year Built: 2005 Engine Model: 350 MAG MPI Bravo III Engine Type: Inboard/Outboard Engine/Fuel Type: Gas/Petrol Engine Hours: 267 Propeller: 3 blade propeller Drive Type: Stern drive Engine Power: 300 HP to this I say bull Mercury MerCruiser Sterndrives & Engines . 350 mag MPI sputtering/coughing coming out of hole/on plane . I have a 2005 285 that I purchased new and currently have 825 hours on the 350 Mag MPI engine. Recent major problems/repairs - July 2009 - Starboard exhaust manifold cracked - replaced manifolds, new risers, 300 hour service performed. . I have a 2011 Ciera 2855 Bravo III 350 mag. Never overheated, new manifolds, sea pump changed every year or two..plugs, etc. . If you are questioning the engine's over-all condition, you can always perform a cylinder pressure test (aka compression test), and if need be, a cylinder leak-down test. . 5.7 Mercruiser/Alpha I Gen II /Full .
Mercruiser MAG 350 MPI 2005
Twin MerCruiser 350 MAG MPI Horizon w/ V-Drives. My port engine won't go above about 3800, and will slow down a bit from there as I increase throttle to WOT. Starboard engine has no issue getting up to around 4600 or so. It's nice to have 2 engines to compare. . A compression test will be a waste of time if there's an exhaust obstruction .
Captain's reports and/or test numbers for this model are archived. . MX 6.2 MPI, 350 Mag MPI Horizon, 350 Mag MPI, 5.0 MPI, 5.7L, 5.0L, 4.3 MPI, 4.3; Bravo One's performance torpedo & Dual Water Pick-ups that allow high X-Dimensions make it .
"I have a 1998 MERCRUISER MAG "I have a 1998 MERCRUISER MAG 350 MPI it seems to have an ignition miss at 2000-4000 rpm It feels like a quick lack of spark, there or no change in rpm or mph.No codes show on scan tool I have changed the plugs plug wires cap and rotor coil dist. module anti syphon valve ran dual batteries nothing seems to fix problem 3 shops have .
Mercruiser 5.7 Compression Test
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mercruiser 350 mag compression test|Mercruiser 5.7 Compression Test