mercury optimax 150 compression test|Performing Compression Tests : solution I have read online that the Mercury Opti’s compression numbers are typically lower than others due to the compression ratios, but still usually 80s-90s. If he didn’t let the motor warm up first could that contribute? WEB16 de jan. de 2024 · BetSlots merupakan tempat bermain game online link alternatif terbaik dan terpercaya di seluruh Indonesia dengan bonus dan promo setiap hari.
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Performing Compression Tests
I have read online that the Mercury Opti’s compression numbers are typically lower than others due to the compression ratios, but still usually 80s-90s. If he didn’t let the motor warm up first could that contribute? All agree that the Optimax has a lower compression ratio than a conventional outboard which accounts in part for the lower readings. The owner's local Merc dealer is going .
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It has a Mercury 150, the picture looks like it says Black Max on the side. I have not seen the boat in person yet, only pictures. The dealer says one cylinder was "scorched" . Compression Test on a Mercury Salt Water series 2 stroke on a 2002 Pro-Line. When performing compression tests, it's imperitive that the tests be done with: -A fully charged and PROPERLY RATED cranking battery. -Engine warmed up to Operating Temperature.
As a rule of thumb on MOST Mercury motors, 90-120 psi (621-856 kPa) is at the lower limit of acceptable compression (at least for mid-range and larger motors). Published . Finally quit raining. Did compression test. Results: Starboard side top 71#, middle 72#, bottom 71#. Port side top 81#, middle 76#, bottom 85#. Neediness to say I was shocked .
Here's how to do a compression test on your Mercury outboard 2-stroke engine. Or download a repair manual instantly here.A compression test for an outboard is a simple test that can be performed on any combustion engine. It is the very basic test that can provide the tester with the viability of the engine itself. It will prove whether the engine has a good . have 150 horse black max 78 85 have 150 horse black max 78 85 psi on all cylinders 21 stainless prop runs excellent powerful the book calls for 130 to 150 psi how come my boat runs well on 85 psi?and what kind of power are we talking about if i bring the compression up to 130 will the boat run.
Customer: Hey man, I did a compression test today on my 2000 Mercury Optimax 200hp with the throttle wide open, warm engine, and a remote start switch. I have all cylinders around 90 PSI, however, the high one is 95psi and the low one ranges between 75-80 PSI. The motor runs phenomenal at every RPM. If your outboard engine doesn't start, run rough or without much of a power, do the compression test on all the cylinders. Low pressure cylinder indicates wo. Learn More About Your Boats Systems By Joining The Born Again Boating Academy! https://www.bornagainboating.com/Get Your Born Again Boating Clothing! https:/. 25 ----- 105 ----- 150 40 ----- 105 ----- 150 . MERCURY 115 HP INLINE 6 CYLINDER COMPRESSION test readings, opinions please. Compression test need to be done with the throtal in the WOT position and the motor should be turned over 3 to 4 times on each cylender. From the readings posted at 3 revs everything looks good as they are all lest .
Re: 2002 Mercury 150Hp xr6 Compression and overall reliability of outboard From Mercury Service manual COMPRESSION All Models – Using a fully charged battery, throttle shutters wide open and cylinder block warm 110 – 135 psi (753.3 – 924.5 kPa) Variance between cylinders should not exceed 15 psi (102.7 kPa) When performing compression tests, it's imperitive that the tests be done with:-A fully charged and PROPERLY RATED cranking battery-Engine warmed up to Operating Temperature-Kill switch OFF-All Spark Plugs Removed-Plug wires on Spark Tester (or grounded with jumper leads- an added precaution)-Throttle plate at the WOT Position. Insert . Optimax You should do a cylinder leak down test rather than a compression test. The Optimax engine can give you a false compression reading. The leak down test is a more positive test that tests the internal parts of the engine. Any shop should be able to help you with this type of test. I am looking at buying a merc outboard - 1997 250 hp EFI with an hour meter showing 178 hours. Compression check shows 100,105,100,110,105,100. What should this motor have for compression with these low hours, or am I being scammed and the motor really has 500 or more hours??? Thanks
2002 Mercury Outboard 150 hp Salt water series 2 stroke engine. Pressure test was performed with hot and cold engine using two different tester kits. One fr.The Mercury 150 Pro XS is a high-output 150-hp 4-stroke and Mercury Marine says the inline-4, naturally aspirated outboard meets the company’s standards for hole shot, top-end speed, and durability. Calling it a high-output outboard means Mercury can deliver peak power 10% higher than the rated horsepower and be in compliance with SAE standards. 1999 225 optimax serial #og914187,here are my compression readings,#1 90psi,#2 75 psi,#3 75psi,#4 90psi,#5 80psi,#6 80 psi,are these acceptable,the problem i am having is i have to crank for 6-10 seconds till it starts,holeshot sucks and according to ranget i should be at 68mph top speed but i am only getting 58 mph gps without a partner in the .
Learn More About Your Boats Systems By Joining The Born Again Boating Academy! https://www.bornagainboating.com/Get Your Born Again Boating Clothing! https:/. Mercury Motors; 2006 150 HP Optimax fuel pump problem; Thread: 2006 150 HP Optimax fuel pump problem. Results 1 to 10 of 10 Thread Tools. . Good idea to start with the BASICS:-Compression Test-Spark Test (including confirming correct, fresh spark plugs)-Fuel Quality, Delivery, .3. Screw your compression gauge into the first cylinder. Make sure that the plug leads are well clear of the flywheel or any moving parts. 4. Crank the engine with the starter or pull cord through at least four or five flywheel revolutions, or until .For your engine to operate, it needs Compression, Fuel, and Spark. In order, this is how I would initially check a motor with idle problems (most other issues as well) Compression Test: Check all six cylinders for compression at cranking speed. They should be within 10% of each other. Higher than that, I would visually inspect the cylinders.
That charge is induced and monitored by the OptiMax direct fuel-injection system. This two-stage system, according to Mercury, does a better job of atomizing fuel so the engine can digest it more efficiently. The system injects the air/fuel mixture into the combustion chambers at 95psi, which is 15psi higher than standard OptiMax setups.Mercury 250 pro xs compression test question 3 cylinders tested 110 and 3 tested 115 on the compression test of this motor that’s on a boat I’m looking at. Motor is a 2017 model with 148 hours on it.What Outboard Compression Test Results Mean. Results vary depending on whether the outboard is a Four-Stroke or a Two-Stroke. Good results for Four-Strokes should be 180-210 PSI, and Two-Strokes should be around . Now it is important to note here that you might see 150 or 160 PSI on certain engines when doing this test. . Evinrude, Mariner . Testing the Coil on a Mercury Outboard. When you are facing the above symptoms, now you are sure about where you should inspect. But only with the symptoms you cannot diagnose the exact problem of the bad coil or be 100% sure about a faulty or dead coil. To find the cause, you have to inspect and test the coil. Test 1: Starting the Engine
We have 17 Mercury Optimax 150 manuals available for free PDF download: Service Manual, Operation, Maintenance And Installation Manual, Operation And Maintenance Manual, . Engine Compression. 27. Following Complete Submersion. 28. Salt Water Submersion. 28. Submerged While Running. 28. Model 135/150 DFI Powerhead Front View. 30. I have a 2008 250 Pro XS that had a compression test completed approximately 1 year ago. All cylinders were between 90-95. Is that low? I have read the sticky above on how to perform a compression test, but I cannot find what constitutes "good" numbers. . Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at .
-Computer Diagnostic (to read Run History and Freeze Frame "Fault" History). Run cylinder misfire test (*A compression test here is also a good idea).-Ensure fuel is properly stabilized-Test run engine long enough to get stabilizer through system. At idle: 30 minutes! In the water, under load: 10+ minutes.-Test or inspect Thermostats. Regularly perform a compression test to ensure that the engine cylinders are functioning correctly. Conclusion. . Yes, Mercury OptiMax 115 engines are compatible with up to 10% ethanol-blended fuel. However, it is important not to use fuel with more than 10% ethanol, as it could cause damage to the fuel system and engine components. .
Mercury Optimax series offers motors that come in a lightweight design yet are built with all special configuration features combined with the proven technology to ensure maximum overall performance on the water. . Even a group of Optimax 150 owners have complained about encountering electrical connection or wiring issues, .Dubbed the 150 FourStroke this naturally-aspirated engine joins two other Mercury 150-horsepower outboard motors: Namely, the supercharged Verado 150 and the Direct-Injected 2-stroke OptiMax 150. So why does Mercury offer three radically different technologies in the same horsepower rating? The answer is as simple as the sea is salt. Let’s look at the Yamaha 150 VMAX SHO, Evinrude G2 150 HO, and Mercury 150 Pro XS. Yamaha 150 SHO . so we can assume it’s not the old Optimax version. Let’s assume it’s the 2.08:1 ratio that is stock on the new ProXS. . The test was from Boating and was very vague, with the speed based off their chart, no report of setback and .
Optimax compression test results
Opinions on Mercury 150? Low compression.
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Mercury Optimax Compression Test
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mercury optimax 150 compression test|Performing Compression Tests