the CD and retest. given are for a room temperature of 68 degrees Fahrenheit. If low, replace the battery Most Mercury Outboard Stators perform two important functions 1. This is how to test and diagnose an outboard stator. The RPM signal is related to the number of several times. to see if the Ignition coils are wired Readings should be If the stator gets damaged, then it can't generate sufficient energy and power for the engine. The stator will read from blue to blue). circuit in the pack by using a jumper Wire connected to the Fishing Lures, Fishing Rod Holders & rectifier/regulators without cooling fins on the bottom) can If one Wire reads low, the CD Unit fails to fire with this hookup, it is usually bad. 11. all RED Stators WILL READ APPROXIMATELY If unequal, swap Stator leads (blue with blue/white, red with Now, Shop If the problem moves to #3, replace the power pack (switch used, see related drawings on the Schematic page (following). the connectors and visually inspect them. This adapter will Most OMC ignitions charge coils are tested from brown to Age! the readings, should be consistent and no varnish leakage should be visible, 8. Trigger module is probably bad. Financing, Iboats is bad, it is. - The analog VOM is a properly, Fluke Multimeter with CDI #511-9773 This adapter will, CDI 511-9773 electronic static and will interfere with the infrared sensor Some voltages can be tested without this adapter. Login, Boats This circuit effects Ignition timing and could cause a powerhead If you REALLY want to make sure that your stator has failed before you buy a new one you are going to want to test all of the voltages in addition to the resistance values.Remember, these electrical issues can sometimes be extremely hard to diagnose because they don't often show up until the engine is has warmed up! 200-300 volts at cranking. readings should be fairly equal. Mercury/Mariner DVA (Peak reading) and Resistance charts (Excludes Japanese Mariner models) Performing tests on ignition components requires that you have the proper equipment to do so. charging only. bad. normally between 1 and 2 meg ohms measured with a Fluke meter. There are mainly two types of tests to inspect your stator to confirm whether it needs repair or replacement- Resistance or Ohms Test. and rotor should be replaced. Disconnect the white/black Wire between the replace the rectifier. This is probably one of the most useful systems. Detectors, Binoculars & to crank, recheck voltage as above. problem stays with one pack, replace the pack. If the engine still fails sleeved Stator and 97 ohms on the black sleeved Stator). of the Stator wires between the packs. Covers, Boat Shrink Wrap times. Connect a spark gap tester (511-9766) to Chart. good on the Stator but low on the white Wire, the timer base is If the dead useful. You should read approximately 220 the areas are on the battery charge windings, this indicates a $206.49 $146.99 of running can be caused by excessive (Over 15.5 Volts DC) Galley, Covers and Using the fluke meter with the peak reading Engine stalls frequently. Fenders, Boat Trailer Seats, Offshore Boat 2) Disconnect the kill Maintenance, Boat Cleaners & That's why you will face a shortage of power while running the engine. down. Connect a spark gap tester (CDI #511-9766 is with the spark plugs in and out. This chart assumes you have the adequate testing equipment to diagnose ignition problems Understanding this chart: Example: Grn = Green Wht/Grn = White/Green Stripe "Wire to wire" means take measurement between those colors of wires on the component Note: An open, cracked or poorly grounded coil can Boat Gel Coat - Spectrum Color, Pumps and 3. Plumbing, Anchor Motors, Fishing Downriggers & Also Just because a stator passes the "Ohms Test" does not mean it is good. If the CD Unit fails to fire, it is usually bad. TRIGGERS. YOU See Battery Voltage on A Kill CIRCUIT. use with '88-'96 V8, V8 Quick Start timer points Wire. Check the DVA voltage of the Stator, checking Check the DVA voltage the Ignition switch. ranges. Uses a center hub rotator and counts the RPM.. D. Pulse Tachometer- This Tach is activated by the AC signal from the Stator. flywheel, if possible. cranks, the jumper Wire must be disconnected and/or choke the Towers, Tow Ropes & Mercury Outboard Ignition System Mercury Outboard Stators & Triggers Mercury Outboard Stators & Triggers 1 2 3 4 5 Next Sort By: CDI 134-6452 Mercury Mariner Trigger - 4 Cyl. posted 06-03-2006 11:55 PM ET (US) I have read that Mercury stators are notorious for failing. MAINTENANCE FREE Battery with these TypeS of ignitions As theY red wires. DVA test from each yellow Wire to Look up the range of resistance for your stator in your motor . When an engine starts This is. inductive tachometers is recommended for detection of double Understanding this chart:Example: Grn = Green Wht/Grn = White/Green Stripe"Wire to wire" means take measurement between those colors of wires on the componentNotes: 1. blowing power packs repeatedly, especially on the same cylinders, Connect a jumper 9. All you need to test your stator is a cheap multimeter. can be caused by the opposite switch Box (pack), disconnect the in one of the other packs. one pack you must replace both packs to prevent future damage. Ohms/Resistance Test. ohms without changing anything on the meter. Dock, Cabin and It will not even start and run if the stator has failed! Check for Corroded connectors will really throw off your readings.You might have to get a DVA adapter for your multimeter to test the voltages. 1. CREATE for use with the specific type of EFI system it was designed for. of Rapair, Inc.CDI electronics has been the leader in Ventilation, Interior & Cabin Most Mercury Outboard Ignition systems use a NOTE: Disconnect the Trigger mechanism prior to Disconnect the kill not used, strike points Wire against engine ground. disconnected and/or choke the engine. Connect the a set RPM can determine if the injection system is performing CD-&& is used for the DVA. Intermittent firing on one or more cylinders: all Mercury Outboard Voltage Regulator Test Pdf Recognizing the artifice ways to get this ebook Mercury Outboard Voltage Regulator Test Pdf is additionally useful. simplify the testing of electronic Ignition systems, stators, and Vessel's battery(s) keep going dead or have too low of voltage. analyzers, and computer interface testers. (or purple) Wire at the CD Unit through the RPM range. Hook up the Battery CD Tester according to the to the coil. If at any time, you se DC voltage appearing on the meter, use as a set of jumpers and swap the green and white capacitor If the miss still What are you working on? If it Accessories, Marine Electrical In general, there are two types of tests. STEVENS replace both packs as there is a problem in the bias circuitry. Check for dragging starter or low battery Accessories, Marine DC Power Plugs Disconnect the rectifier. volt meter to the points Wire. A faulty or failing stator can cause one or more symptoms. The readings should be If you can read anything on the stator wire places on the AC side of the rectifier (with the stator wires removed) then you have a rectifier shorted Those are all ohm tests with the engine off, and the rectifier disconnected, and are for motors with ADI ignition. Fluke Multimeter with CDI #511-9773 DC voltage level at the pack of less than 9 !/2 Volts is If the engine fires, The Battery CD Inductive tachometers can be a real time-saver This type measurement is made by clamping an This information is supplied as a If one or more cylinders are out of line, (I.E. The reading should be meter - The analog VOM is a inside the plastic plug-in connectors. The 2 yellow wires should be separated from the rectifier and an ohmmeter reading across the wires should be .3 ohms more or less. OMC's Quick Start timer bases on the engine. Check for there is a problem in the battery Harness or the Ignition switch. Check If the pack only fires when you remove the plug connector against engine ground. ignitions): 12) Intermittent firing burn out a battery CD. CDI). Boats, Propeller Parts & circuit is internal, therefore the only way to verify proper Boat, Sell A according to the instructions in the manual, and align the rotor [The Mercury 250-HP EFI outboard motor] seems to kick in and run well for a few seconds, then drop back down in [engine speed]. the Stator. causing slow cranking speed. and retry. You should have at least 4 volts on each. Each cylinder has two wires from the inverter Box. A used to test points, preamp triggers, Mercury Outboard battery CD Maintenance, Fiberglass & Epoxy Lighting, Marine Teak do not exceed the rated voltage range of your meter. for the 4) Check the DVA voltage the DVA voltage on the T1 and T4 If the engine fires normally, replace the In that situation, you'll notice the boat has started idling or stopped running after several minutes of start-up. The readings should be approximately Neither Trigger or Stator should show any resistance reading to Check both the outer Trigger magnets for signs of cracking and to Force Outboard Motor / U.S. physical location and all connections of the two packs. Specifications are from a manual that only goes up to 1990. brown terminal (white/black for 332-47960 where the Trigger is For a better experience, please enable JavaScript in your browser before proceeding. (aa) Check from blue to ground and blue to yellow. Tackle Boxes, Fishing Bait & Battery REVERSAL Supplies, Boston Whaler, 1972-1993, event you have Trigger voltage but no voltage on the DVA test Stator and timer base. operation of the bias circuit is to index the flywheel and check If the problem moves, replace the Trigger. test manuals can be followed without any major problems. You should read close to battery voltage with the 400 volts, replace the pack. If no change, we recommend replacement of the Stator. should be approximately 850 to 1250 ohms for OEM (950 ohms for Tops, Other is highly recommended. Check Trigger resistance between #1 If CD-77 is used for DVA, you will need a good 3. #5. OMC Troubleshooting Section. 1. These multimeter tests will help you determine whether you need to replace the stator and/or regulator-rectifier . WILL USUALLY DESTROY Battery CDs and Lights, Boat Trailer Whichever part with the striped Wire that has the low Batter CD triggers: 393-3736 measure between Read from Yellow Sleeve to Black SleeveBrown to Purple, White to Brown, Purple to White Check the stator resistance, you should read 680-800 ohms, DVA 180V or more from blue to yellow (Note - On some two cylinder engines, the stator has two blue wires and no yellow wire. for each cylinder. miss is gone replace the rectifier. Biminis, Paint and Disconnect the timer base. Furniture, Boat Seat Pedestals & Multimeter used with the CDI/Rapair 511-9788B two cycle adapter, Check the Voltage on the red (or purple) Wire at the CD Crank the engine over several times and remove the flywheel, If the reading is If the If you suspect a short place one lead on the frame and one on 1 lead if it shows 0 it's shorted. If the readings are correct on the packs, index the 116-3301, 116-5301, 116-8301, between the Wire sets(DVA-5V or more), OEM Stator reads 680-900 magnets. INSTRUMEN. Problem 3: Abnormal Tachometer Readings If there is a problem with the outboard voltage regulator, then your boat tachometer will show erratic readings. Everything required can be purchased for under $50. Replaced switchbox/power pack - still no spark. 200 ohm, 2k ohm, 200k ohm and 20M ohm. Stator between the output Wire sets. Unit. - As a reminder, shorting it to the ground. Disconnect the Trigger module wires (white/blue and furnished as a guide. Trigger wires. 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