How To Check Mercury Outboard Coil

Hold the plug wire about 14 inch from the powerhead not over the spark plug. Ignition Coil For Mercury Mariner Outboard Boat 339-7370a6 339-7370a8 339-7370a1 1795 Ignition Coil For Mercury 339-7370a14 339-7370a16 339-7370a17 339-7370a19 Engine.

Coil For 8 Hp 9 9hp Mercury Mariner Outboard 4 Stroke 2005 2006 In 2021 Outboard Coil Are You The One

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

How to check mercury outboard coil. The points and magneto shut-off switch can be checked for cleanliness after cleaning by isolating the coil primary from ground do this by removing the screw holding the ground side of the primary coil bare wire with a ring terminal move the wire clear of any ground contact. It is irrelevant which probe touches which terminal because you are testing a circuit. Sensor Coil - 7 - Same Test as Above - 5v Pulsing.

MOTORS SERIAL NUMBER IN THE CART COMMENT BOX. 1986 Sailpower 210cc 99 merc outboard no power to coils. To run properly the coil must remain intact and crack-free.

Like all mechanical equipment Mercury motors can exhibit issues ignition problems being some of the most. If your OHMS do not fall within that range your coil is bad. Test the primary circuit.

Mercury produces an extensive line of outboard motors. 400 DVA Coil Black B Lead 2 Coil Orange O Lead 2 200 - 280 1 Ignition Charge Coil. You can find your Mercury outboard serial number and model number on an ID tag on the mounting bracket or in some cases on an engine block freeze plug.

We have much more. Below is a sample of common replacement parts. 1986 99 coil pack.

With Johnson and Evinrude outboards in particular most of the ignition parts used points condensers coils are still readily available. Check to see if there are any noticeable cracks. Mercury does nothing by year.

This is a sign that the coil has gotten hot shorted or overheated at some point in time. Looking for a ignition coil for a mercury 36 1985 no spark. Outboard motors are designed to provide years of trouble-free operation and nothing spoils a weekend outing like one that will not run properly.

If the reading is low on one cylinder disconnect the green wire from the ignition coil for that cylinder and reconnect it to a load resistor. Usually there is a load associated with the test and you may have to fabricate an appropriate load. Watch for a spark and observe its character.

20 - 45 1 Stop Circuit. Whats this extra coil part do. Place one probe from the amp meter on the positive terminal and the other probe on the other terminal.

How to test an Outboard Engine Ignition Coil. Turn the motor over one time only either with the recoil starter or the electrical starter. If playback doesnt begin shortly try restarting your device.

A good strong spark means the air and fuel mixture in the cylinder will be ignited properly. Looking for a ignition coil for a mercury 36 1985 no spark. Like everything that is on a boat engine the coil inside your outboard is sealed component.

The values of an outboard motor must fall between 02 and 04. A good CDM might not. All Tests are using a DVA Direct Voltage Adapter Type Meter With Sparkplugs Removed and Coils Attached to a Spark Board Use The Sparkplugs Grounded to Block StatorCharge Coil - 2 - 20V High Speed Coil 180V Low Speed Coil.

Outboard motor electronics are sometimes troublesome particularly since major systems like the power pack may control everything from instrumentation to the timing and synchronization of the motor. Check the reading on the switch box terminal AND on the ignition coil terminal. Gently peel back the rubber protector and take it off of the ignition coil.

If no visible cracks are noticed then check to see if the area where the two ferrite parts meet are loose. 7 MarinerMercury Outboards Repair Manual 25-250 HP. If you examine the coil and find it is cracked or looks melted.

Old outboards with the exception of a lot of Mercury units typically have really simple ignition systems. Please use your serial number to find the correct part. See below for a Model Number Description Guide and Serial Number to Year chart.

You can test the Mercury power pack in either one of two ways. 75 hp no signal to the coil MERCURYMARINER 75hp OUTBOARD. 1986 99 coil pack.

We have access to all Mercury outboard parts usually at a better price than your local dealer. You can make a dynamic test of a stator coil in a permanent magnet alternator by measuring the alternating-current voltage that is produced by the coil when the permanent magnet alternator is rotated. Most Mercury Outboard Ignition systems use a red Wire andor redwhite stripe for the high speed charge coil and blue andor.

Invest in a good Spark Tester to check your coil output. 230 - 280 1 Ignition Charge Coil. Testing ignition coils on old outboards.

Bluewhite stripe for the low speed change coil. The general year ranges below are for rough reference only. Mercury Marine is an international motor boat company based in Lake Forest Illinois providing motors for private commercial and government craft.

3 6 Cylinder. You should have a reading of at least 150V or more at both places. If so replace the coil.

One method requires you to use a multimeter to test the power pack directly. If so you need to see. Coil Resistance and float spec.

1986 Sailpower 210cc 99 merc outboard no power to coils. The coils have a very high voltage output so use extreme caution not to touch the plug wire while the engine is running. Coil Resistance and float spec.

5 8 If using a meter that requires a DVA adapter place selector switch to the 400 VDC position. Ignition Coils XXXXX - 180V Pulsing From Control Module. Properly diagnose your ignition before assuming your coil is faulty.

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