How To Test Mercury Optimax Coil

How do you test a mercury power pack. Mercury started making the OptiMax engines in 1995.

75 90 115 115 Pro Xs 125 Optimax Mercury

76-up charge coils are measured from ground black Wire if present to red and blue wires.

How to test mercury optimax coil. The 200 has a V-6 30L engine. Due to the problem in the electrical system you may. Optimax owners may not have an inline filter as the engine has a water separator under the cowling.

At cranking speed each coil should be able to produce a strong blue spark across the gap on every revolution. CDMs are essentially ignition coils with built-in switchboxes. Select resistance range setting I use x100 and connect the ends of the probes into the meter and touch the ends of the probes together.

Direct Injector Ohm test. April 1 2017 at 917 pm 1685792. Mercury 115HP DFI OptiMax 2-Stroke Outboard Ignition Coil.

Ignition Coils get their voltage from the Switchbox. There was a period of time Mercury would replace all 3 at no cost but Im sure thats expired. Sierra coils for a Merc 2c 2stroker 75hp.

Test the secondary circuit. With leads between spark plug wirehigh voltage tower and ground terminal pin81-89k Ohms. The other method requires you to do a bit more work but may give you a more definitive answer.

If the OHMS of the secondary circuit do not fall within this range your coil is bad. The general year ranges below are for rough reference only. Some meters do not like to read very low volts you can try changing your range to DC millivolts if you have that option on your meter and see if that reads it better or not.

Between each injector pin17-19 Ohms. I went to the service center in Orr which is a great place if you ever need help when you are at Vermillionanyway the tech produced a Service Bulletin from Mercury warning of failed ignition coils and that all of them should be replaced if a problem occured. Place the negative probe -- usually black -- on the negative terminal.

With your ohm meter measure the coil ground to the secondary where the spark plug wire goes. As would be expected the engine would not start but surprisingly it was trying to start. The first step is to do a Ohms test to see if the coil is good before going on to the visual internal ferrite core inspection.

Remove all spark plugs and DISCONNECT THE ECUACU. Order the correct Coils or CDMs for your motor. Symtoms caused by leaking REGULATOR DIAPHRAMS point to.

Youve completed your ignition coil test. Furthermore one should check the coil and other engine parts for this issue. Next between spark plug coil tower ground term pin reading should be 81-89 ohms.

Make sure the key is on and make sure you have disconnected the temp sensors. Please use your serial number to find the correct part. Most Mercury Outboard Ignition systems use a red Wire andor redwhite stripe for the high speed charge coil and blue andor bluewhite stripe for the low speed change coil.

After replacing the lanyard switch the engine started but I received a system fault 22 re. Ignition coils for the Mercury 15L 115HP DFI OptiMax 2-Stroke Outboards All Years and Models including the Pro XS. You can test the Mercury power pack in either one of two ways.

Mercury does nothing by year. This SB covered Optimax motors from 75HP-225-250 ProXS. 1996 99 hp 4 stroke mariner outboard - coil.

Just make sure youve followed all the steps for testing. Ignition coil Ohm test. This allows a.

These ignition coils are in stock and ship out the same business day if ordered before 3PM Eastern - after 3PM they will ship out next business day. Repeat testing for all cylinders and compare results. Can be tested on the motor with a Spark Gap Tester.

1918 Mariner 90 hp wiring diagram. Place the positive probe -- usually red -- on the coil tower. Place the positive probe of multimeter on the green and white striped terminal wire pin and the negative probe of the multimeter on the terminal pin for the red and yellow wire.

Fuel Injector Ohm test. The OPTIMAX is the most MIS-DIAGNOSED engine out there. Here are the Ohm specs connect meter leads between the greenstriped and redyellow terminal pin reading should be 038-078 ohms.

Somehow the emergency stop lanyard switch had pulled free. How to Diagnose Injector or Coil Fault on a Mercury Optimax 150 HP Outboard Engine - YouTube. Finding any corroded or clogged part needs to be cleaned or replaced for better speed and smooth performance.

Maintenance on mercury Optimax 200HP This video shows how to test sparkplugs for fire and replace a bad ignition coil. Repairing ferritemagnets of old ignition coils. Mercurys ADI was first used on the in-line 6s 1980-1988 model years.

I have a 2008 115 Optimax and its awesome. Anyone know how many volts should be going to my Ignition Coil. It has been providing the best quality for a decade now.

One method requires you to use a multimeter to test the power pack directly. Mercury engines come from the factory with the correct heat-range spark plug. You will require a multimeter either a digital or an analog like the one used in this article with a resistance scale x100 or x1000 or x1K to test your coil.

However there was an issue with a bad batch of coils. Between each injector pin1-16 Ohms. The engines best specification is its hole-shot acceleration.

The coils share separate coil drivers on your Optimax. What engines can run with these old Mercury engines when the old Mercury engines are actually running As far as I can tell the only 2013 115Hp engine that can run with one of these ported piston classic Mercs is the 123HP Optimax 115 ProXS. The ignition coil a vital component of any vehicles ignition system.

Your outboards ignition coils or CDMs Capacitor Discharge Modules provide a high voltage pulse to your Spark Plugs. The technician at CDI gave me some pointers on how to check a coil and I thought I would pass them on. MOTORS SERIAL NUMBER IN THE CART COMMENT BOX.

Mercury OptiMax 200 is a two-stroke DFI Direct Fuel Injection engine. Bad Injectors Bad Fuel Pumps Leaking VST Air in Fuel Lines Bad Gas Bad TPS Rubber Regulator Diaphrams dry and crack because of todays fuel content. Coil part 883778A01 superseded by.

So I guess its 80s technology now 33 years old. Original Factory Mercury Marine Ignition Coils and CDMs. Went to start my 2007 Mercury Optimax 200 hp this morning.

1984 Mercury 50 4-CYL Coil Test. The amp meter must read between 8 and 11. Also low engine use tends to dry out the Diaphrams.

Maybe a dealer can look at your parts and tell you if they are from the potential bad batch. With leads between primary terminal GRNStriped and ground BLACK terminal pin038-078 Ohms. 53 SEC 557K VIEWS Nov 26 2008 This video describes a simple and easy one man procedure to test.

It is a sturdy reliable engine made of strong alloys. With the spark gap tester connected to each of the spark plug leads set the Spark Gap Tester to 7 16 11mm. 3 6 Cylinder.

125 merc neep firing order and wiring diagram please help me.

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