What does a stator do on an outboard motor. And then it regulates it to the appropriate amount.

What does a stator do on an outboard motor The coil windings for this alternator are usually part of a multi-coil assembly, called the stator. This system typically includes components such as a battery, stator, regulator-rectifier, ignition coil, CDI (capacitor discharge ignition) module, spark plugs, and associated wiring. The engine sputters Found beneath the flywheel, the stator uses engine rotation to generate power. Two-Stroke Outboard Motors: Two-stroke outboard motors are traditionally known for their simplicity and lightweight design. A faulty or failing stator can cause one or more symptoms. I have a question on the wiring. DVA test stator (see #1 above). If your outboard engine has no spark, it could signal a bad trigger. Check the stator resistance and DVA output as given below: Motors with Black Stator: Wire: Read To: Resistance: DVA: Blue Red MOTOCEO Stator For Mercury Mariner Outboard 9 Amp 40 45 50 55 60 65 70 75 80 85HP 1976-1997 2Stroke 3/4Cyl 174-5454K 1 398-5454A4 A21 A22 A24 A25 A26 398-5704A7 398-5919A6 398-832075A20 398-18535A15 4. A new fully-charged, maintenance-free battery will work fine at first, but under constant discharging and charging, something that style battery is not designed for, it will eventually become weak and/or develop dead cells, thus unable to accept a full charge, thus putting a Jan 19, 2006 · Outboards use a stator instead of an alternator. parts manufactured by CDI Electronics, which have redesigned their boat parts over the OEM counterparts and made them better. Check the cranking RPM. Although many other factors can be responsible for an unsuccessful engine start, a bad outboard trigger is to blame in most cases. If your wrong than you wont have to replace it next year. Orient and install the new stator (using a good thread-locker applied to the bolts) in the same position as the old stator on the engine and install the flywheel, following the service manual instructions. For this test, place the motor in a test water tank, then crank it up and take measurements on the multimeter’s AC setting. 5 hp outboard? Will the motor run if it is defective? If it is defective, will it keep the motor from running well at full throttle? This is probably a dumb question, but I am a printer, not a mechanic. Jun 20, 2022 · Testing the stator only requires an ohmmeter, you do not need to remove the flywheel. Also, understand that what type of battery is in the boat matters as well. It also contains charge coils which provides a charge current for the batteries. Jul 23, 2022 · A symptom of a bad trigger outboard would let you reckon the problem on time. The new stator has 2 solid yellow, brown and brown/yellow wires. Nov 29, 2016 · This is how to test and diagnose an outboard stator. Dec 12, 2023 · What is a Stator and Why Does it Matter? The stator is a stationary part of the outboard’s alternator. Inboard motors function much the same as outboard motors do. Not all outboard motors charge batteries only some motors do charge batteries. 5. 200 HPDI (2001) with about 1000hrs, No charge condition, engine runs perfectly. Typical stator: TROUBLESHOOTING TIP: Aug 22, 2020 · Will outboard engine encounter stator fault? Yes, the stator performance of some outboard engines is poor, but not very good, and the stator performance of other smaller outboard engines is also poor. Nov 20, 2022 · Inboard motors are essentially like outboard motors, only instead of being mounted on the outside of a boat’s transom, they are built into the boat’s hull. Most outboards over ten horsepower have a built in wire harness that leads to the battery and the instrument panel. So, the stator is replaced. On a Mercury outboard, what does a stator do? On earlier model outboards, a stator is essentially a generator, while on later models, it’s an alternator. Since then, I've replaced or redone All necessary CDI & Carb, Everything & compression check 130#ea on the Mercury OB 80hp model 800 Thunderbolt Ser# 5009751 However, After bolting new Stator & Apr 2, 2020 · Hello. My biggest reason is with an older outboard I fear parts would be a problem if fried. It is stationary within the motor and supplies the magnetic pulls that revolve around the outside of the rotary. Unlike the standard ignition Jul 16, 2009 · Disconnect the battery Remove Disconnect the battery Remove the flywheel Disconnect all wires going to the stator noting how they are routed. Does anyone have the same engine that would take a picture of Stator Trigger Read Ohms DVA Low Spd High Spd Low Spd High Spd Low Spd High Spd Read Ohms DVA 4 1 CYL 1972- 1975 3296137- A855096 336-4516 Green to Engine Ground (DVA only) 2100-2300 (a) 170-190 (b) 180- 400V Points Brown & White N/A N/A 4-20 2 CYL 1972- 1989 3069294- A855096 336-4516 Green to Engine Ground (DVA only) 2100-2300 (a) May 30, 2012 · Note that the engine must crank over at least 300 rpms in order to have the stator provide that voltage to the powerpack. I assume that the brown/orange wire is the same as that new brown/yellow wire? Oct 7, 2013 · What do you mean by "engine" coil? On an F40 there are ignition coils, a lighting coil, a pulsar coil and a charge coil The only coil that is directly related to the rectifier/regulator is the lighting coil. . When that needle goes to zero, the meter is not sensitive enough to define one ohm, or less. Jun 15, 2006 · Re: checking stator on outboard All of your reading's are testing good. When the motor runs, the alternator converts kinetic energy into electrical energy, which can be used to charge the boat’s battery, powering essential equipment such as lights, fish finders, and other electronics. Holy s--t. 5V+ Brown/Yellow to Brown/White 0. I replaced the regulator/rectifier, completely rebuilt the carbs, replaced all of the fuel lines, and the fuel filter. Aug 6, 2021 · Buy your multimeter on our sister site Partzilla here: https://www. One set of the coils on the stator feeds the ignition system. The stator provides electrical power to the rectifier/regulator. Thanks Mar 28, 2023 · Learn how to recognize the symptoms of a bad trigger on a Mercury outboard by reading on. As the name suggests, the stator is the stationary part of the motorcycle’s AC generator, while the rotor is the one that rotates around the stator. Dec 31, 2014 · Typically in small outboard engines the battery charging current is created by the permanent magnet alternator. Rectifier has been replaced, still no change. Comment Jul 17, 2002 · What does the stator do on my 1972 Mercury 7. To ensure that your equipment remains in top condition and delivers reliable, consistent power, it’s crucial to follow to a regular Nov 10, 2023 · 7 Symptoms of Mercury Outboard Bad Stator. When you get the engine running, test across the battery with a volt meter. net. The answer to this question is below: Outboard motors do not come with air filters but some people add them to prevent debris like bugs getting into the engine. They are 2 seperate pieces. 2. Dec 21, 2015 · Hello everyone. 1. If unequal, swap banks with the Stator leads and see if the problem moves with the Stator leads. Is it supposed to be positive when switch is in Aug 4, 2015 · I fix one issue and up pops another. But there are 2 kinds of charging systems. If the problem remains on the same cylinder(s), the switch box or trigger is probably at fault. Using a ohm meter, connect the black lead of the ohm meter to the rectifier base (ground), then one by one, connect the red lead of the ohm meter to the yellow, yellow/gray, then the red wire (some rectifiers may also have a fourth yellow/blue wire. cdielectronics. Jan 19, 2007 · just to add the mercury 175 sp just to add the mercury 175 sportjet which is 2000 and newer have a tendency to drop the low speed pickup to one switchbox quite frequently im not shure why this is . Disconnect stator leads from switchbox. Outboard motors will usually provide a method of steering control. How do you tell if timing is off on outboard? Regular inspection and testing of the stator, rectifier/regulator, battery, wiring, and connectors will help ensure a reliable and efficient charging system for your Mercury outboard motor. Stator Apr 22, 2010 · Well heres the deal/I am having trouble with my teleflex tach working correctly still on my 1974 50HP lark. Reeves) Remove the rectifier wires from the terminal block. 2-1. Symptom 1: No Spark: Engine Fails to Run. So - without it in Jul 29, 2008 · I am not having problems starting and it runs strong, but I noticed the black box( do not know what is is ) in the front of the motor on the Stator is melting. Nov 10, 2023 · The charging system of a Johnson outboard motor typically consists of two main components: the stator and the regulator. Yamaha outboards use what is known as a PMG. ) Aug 14, 2018 · Disconnect the yellow wires from the stator to the rectifier and retest. Nov 13, 2010 · thank you for your reply, it sort of helps me, this electric start motor definately has some components that my old pull start did not, for instance there is a small round electrical component that the wires from the ignition coils pass through,(this is right beside and in front of the coil packs) also there is a larger (apprx. That means that outboard users sometimes ask whether outboard motors have air filters. As in the page referenced above, on most power boats the ground point is the engine block. These… Jan 18, 2020 · I recently replaced the stator, trigger assembly and flywheel on my 1986 Mercury 75HP. Nov 10, 2023 · An outboard stator is an important component of an outboard motor, which is used to power boats and other watercraft. Understanding the differences between these types helps clarify the presence or absence of alternators and their availability. 7 & 0. Jun 10, 2003 · I'd like to know what symptoms one would experience if their Stator is going bad? and what is the true purpose of the Stator? What does it do?<br /><br />I've recently put my boat/motor in the shop to determine the cause of a rough idling situation They tested most of the systems on the motor and have determined the stator needs to be replaced. How Does a Mercury Outboard Charging System Work? Mercury outboard engines are popular choices for boaters due to their reliability and performance. At first glance, it seems confusing but with a little knowledge it can be easily understood making a repair a little easier. Aug 12, 2018 · Yamaha outboard motors do not use what many call an "alternator". 6 vdc in less than 30 mins. Energy flows through a stator to or from the rotating component of the system, the rotor. See full list on boatingsports. Read on to discover how to diagnose the Replaced my the original stator in my 1996 Johnson 40HP Outboard motor after experiencing some power loss issues related to the electrical system. My buddy the guy we bought it off of told me carburetors needed rebuilt. May 5, 2019 · Outboard Motors Forum. Simply put, a stator works together with a rectifier/regulator to accomplish the same outcome as an alternator—to generate the DC power required to Mar 28, 2023 · The original Yamaha 150 outboard motor made its debut in 2003, and since then, it has been reigning over the sales charts with some modifications in the specs. Dec 14, 2024 · This is where questions about whether does an outboard motor charge the battery effectively come into play. Jun 1, 2019 · Hi all. 3371 www. When the engine is running, magnets on the flywheel spin around a stator, a do-hickey that consists of coils of wire and other stuff. Most Mercury Outboard Stators perform two important functions 1. (Refer to figure 3-4 for details. 7, 0. Fuel consumption can also increase if your Johnson outboard motor is idling for a long time due to a bad trigger. The Mercury outboard’s trigger or optical sensor is connected to a Johnson outboard motor’s ignition coil, spark plugs, and combustion system. Sep 25, 2009 · Re: Trigger and stator - difference and how to test Hey Doc, Those motors have a Alternator driven ignition(ADI). These handy little devices are part of what makes the engine actually go. Today the outboard motors are designed to take on bigger boats and will provide more power . Rectifiers also convert tachometer output from the stator, allowing the tachometer to receive the appropriate pulse type and display the motor RPM. The stator's wire coils convert the rotating magnetic fields into low voltage AC current. 8 ohms & each lead to ground showed OL and then checked the voltage output, found: 32, 31, 32 VAC at idle. The flow of electrical current cannot be seen by the human eye, and observation of electrical current has to be inferred by I thought the function of the stator was to charge the battery, and not have anything to do with the ignition system. When I chage them the motor changes drastically from bad to good. 2 ohms. There is a hard shiny substance on the wires and the power head. Order Includes: 1x Stator ; Compatible With Mercury Models: 90hp 2-Stroke Engine, 40hp 2-Stroke Engines, 115hp 2-Stroke Engines, 75hp 2-Stroke Engines, 120hp Elpt 2-Stroke Engine, 50hp Eo 2-Stroke Engines, 125hp Elpto 2-Stroke Engines DVA check Stator voltage to both sides. As the engine rotates, so does the flywheel, which has magnets attached to it. Permanent Magnet Generator. As the engine turns, the alternator converts mechanical energy into electrical energy. Outboard Motor Repair Manuals. we bought it and knowing that the motor did not run. A ohm meter set on low ohms connected between the disconnected yellow wires should register 1. I have a 85HP older Evinrude also and I counted the blue widings under the 85 and sure enough there are 6 on each side under the flywheel so its a 12 Pole for sure as even the tach in the boat is marked 12 pole on the back. The stator is a stationary component of the motor, consisting of a set of wire coils that generate electrical energy when they are exposed to a magnetic field created by the motor's rotor. Jul 3, 2012 · The Rectifier\regulator gets AC supply from the Stator it then converts the AC to DC current which is then used to charge the battery , or the other way around DC to AC , correct me if iam wrong , if the rectifier\regulator converts the AC current to DC ,then can one not check this way to see if the stator is producing the correct amount of AC current at certain rpm,s witch is then passed onto An outboard motor’s charging system includes several essential components that work together to provide electrical power. 5m trailer boats to pontoon boats, RIBs, powered catamarans, social tow sports boats, and so on. Dec 3, 2021 · For clarity. I just bought a Mariner 60 hp. Initially, my motor would have difficulty idiling, now, I can barely start the engine if I give it full throttle at idle. 7 to 13. However, several common issues can arise with outboard motor stators that can affect efficiency and reliability. Jul 23, 2022 · The factors could range from the fault arising within the component of the outboard engine vehicle. The ignition system of an outboard motor is responsible for generating the electrical spark necessary to ignite the fuel-air mixture in the engine’s cylinders. The stator generates electricity, which the engine uses to operate the ignition system to run the engine. Nov 11, 2012 · Re: testing checking 2 yellow stator wires 1995 60hp evinrude What was the meter SET ON? For the test you describe, with the meter leads across the two yellows, it should be set on AC volts, the 50v scale, depending on meter. Lithium requires different charging than lead based batteries. Jan 21, 2015 · How to fix your outboard motor when it was transported or carried in the wrong orientation. Jun 28, 2004 · Re: Does a outboard motor have an alternator? They work slightly differently, but the effect is the same. you must replace stator and regulator May 23, 2019 · I have a 1990 50 Johnson, j50pleaa. Mercury outboard stator is the core of power, energy, and spark for the engine and other parts. . Go on the Maxrules. Now everybody Jun 8, 2021 · What color is iton a 2 stroke you just look up under the flywheel and you can see a red or black moulding. A small leak was misting the right side of the motor during its first run and it died after about 15min. 3 vdc. So, if you can address a symptom, you can prevent the trigger from further damage. Apr 12, 2019 · Hope someone can lend a hand. Down below, we have arranged a list of the causes which could lead to voltage regulator failure in an outboard engine. you will also need some stevens jumper leads and an el-cheapo ebay DVA adapter for your digital meter. If the engine fires, replace the rectifier. This system primarily consists of an alternator. Vice Versa, the larger the outboard horsepower, the more electricity it will be able to produce. If it does, replace the Stator. I've checked for voltage at the key switch (white wire and there isn't +B) I'm a little concerned about trying to add that wire to a run spot on the ignition switch. Conclusion Outboard Stator Live Test - Engine On. They charge your vessel's battery(s). Do U know how to test for current draw ? Is this after shutdown ? Remember a stator, alternator, charge coil, lightning, zapper, is NOT a battery charger !! They are to MAINTAIN state of charge around (hopefully) 12. They do charge the battery but at a slow rate. You will also experience difficulties starting and running the engine. I have a 1991 Mercury 150 Black Max that I have determined has a bad stator. If I was cruising at approximately 3000rpm how fast does Aug 3, 2013 · I am going through some steps to troubleshoot a no spark issue on my 1987 Johnson 120. Your outboard stator is the "powerhouse" of your outboards ignition system. This generates electromagnetic fields that eventually generate your charging current. The battery won't be recharged and when it gets low the engine will run poorly or not at all. Jul 21, 2020 · Finally, check to make sure that none of the three have continuity to ground (if it’s on the bike use the engine case, if it’s not use the metal core of the stator). Specifications are from a manual that only goes up to Oct 22, 2024 · Just got my replacement stator - the wire harness with the 2 orange and 2 brown wires goes into a plug with 5 pins and a black/yellow wire in it that goes into the power cable harness going to the boat and the power pack on the other end - it does not come from the stator. The more accurate stator test to do is a live test, in which you start the motor and then read the AC voltage from phase to phase (Y1,Y2, Y3). Test the Wiring Harness Before you blindly order or even test a stator or a voltage regulator rectifier, one thing you need to take into account is the wiring harness . 0 ohms +/- 0. I tested the engine and it turned just fine. Symptom 6: Engine Misfires and Missing. In an electric motor, the stator provides a magnetic field that Jul 13, 2023 · Outboard motors can be broadly categorized into two-stroke and four-stroke engines. Dec 2, 2011 · I tested the stator on 40 hp mercury by swapping blue with blue/white on switch box. The stator plays two roles. Thus the white smoke. I just bought a 1985 Bayliner Capri with an 85 horsepower Force outboard motor. A few things to check are all grounds, engine, coils, etc. The STATOR is an important part of the electrical system, both from an ignition and charging aspect. Remove the screws holding the stator and remove. The rectifier (if so equipped) will be wired to one of the yellow stator wires. It does not affect timing but it does affect spark strength if it is off by 1 screw hole in either direction. Watch the video above and read on below to learn how to do simple diagnostic tests on an outboard’s regulator-rectifier. Using the diode test function only provides you a go-no go result at best. A stator is a generator or alternator that supplies energy for the ignition system and batteries on an outboard boat motor. High speed miss or weak hole shot: 1. The inner ring of your flywheel has magnets which pass close to the triggers coils. <br /><br />A stator is a stationary coil, and the flywheels spins magnets around it, thus generating electricty. There are too many variables, such as maintenance procedures, etc. Mar 11, 2021 · a used 1978 Glastron but after two sucessful times on the lake, the third & 4th time left me stranded. The alternator generates electrical power while the engine runs. If the power being provided by the stator is below specifications then you know that the problem is there. However, the chances of this component failing increase with overheating, excessive moisture buildup, and aging. The stator’s purpose is to provide the energy required to operate an outboard boat motor’s ignition system. Oct 11, 2012 · OK I have done the tests on my stator and trigger. Feb 18, 2022 · The stator is very easy to identify because it has lots of copper windings going around it. Mar 25, 2015 · The Stator (coil) was tested using the ohm function on the multi-meter, found: 0. both showed voltage so it says the test FAILED and to check for grounded coil charge lead before replacing stator. Each time the magnet passes, the trigger sends a low voltage “signal” to the switchbox. The stator on outboard motors is located underneath the flywheel. And then it regulates it to the appropriate amount. 5") black electrical component on the port side of the What does a trigger assembly do on an outboard motor? Your outboard trigger tells the switchbox when to “fire”. Usually, the rectifier on your outboard motor is quite strong and durable. 35 1984-1989 6445653-OB393190 332-7452 3200-3800 225-300 180V+ 20V+ Blk/Yel (LS) Blk/Wht(HS) to Eng Gnd 750-1400 0. Oct 24, 2024 · How Does a Mercury Outboard Motor Charge the Battery? A Mercury outboard motor charges the battery through its built-in charging system. This power is produced when the engine runs, tapping into the mechanical energy of the motor. Swap the blue with the blue/white stator leads, and the red with the red/white stator leads to see if the no fire problem changes. the problem creating this is the two yellow wires two red wires are zip tied together at there connections they get hot and melt together causing b+ to join ac. 4832 CUSTOMER SERVICE 1. Jul 16, 2018 · A few weeks ago I went ahead and replaced my stator and trigger (1986 Mercury 150 Black Max). I do not know how to May 27, 2008 · Re: What does the Switchbox do Troubleshoot Simply, the boxes have 2 functions, 1 they receive the AC voltage from the 2 high and 2 low speed windings and with the help of the trigger which advances and retards the timing direct it to the coils as each cyl come near TDC. From simple stuff to more advanced diagnostic testing, here are some ways to troubleshoot the ignition system of your outboard. Overheating and Stator DamageOne of the leading causes of a burnt stator in Mercury outboard motors is its gotten old and internal and or As the engine warms up, symptoms become more severe. Yamaha 150hp outboard motor is commonly used to power around 6. com website and look up the wiring diaghram for your ADI motor. May 10, 2015 · A failing stator will result in insufficient voltage and/or current being made available to the rectifier/regulator. Jul 8, 2021 · Ummmm, 1st question ? You say it drops to 11. May 24, 2009 · Regarding stator positioning. com/product/aftermarket/2Y27-LANG-TOOLS-13809?utm_source=youtube&utm_medium=vide Aug 9, 2006 · The way to do that is get a OEM, manual for your motor and trouble shoot your symptoms. Mark the position of the mounting screws in relation to where the stator wires come out of the old stator. Test outboard stators wi Jul 23, 2022 · The original Yamaha 150 outboard motor made its debut in 2003, and since then, it has been reigning over the sales charts with some modifications in the specs. The parts list shows a 16 Amp stator and a 40 amp stator. It is not a foolproof system like a dumb lead acid setup. It consists of coils of wire that, when rotated by the engine flywheel, create an alternating current (AC) used to charge the battery and power the ignition system. NOTE: We tested the regulator-rectifier on a Yamaha T60 outboard, but these tests may be applied to regulator-rectifiers of other outboard makes and models. 91 1 In Stock. so first thing I did when I got the boat home is rebuild all three carburetors What does a rectifier do on a boat? Since boats use DC power opposed to AC power that you will find in your home. On a medium sized outboard they charge around 15 to 20 amps. Apr 21, 2013 · (Small Rectifier Test) (J. Outboard motors are essential for smooth sailing on the water, and a properly functioning stator is crucial for their performance. If it exceeds 400 volts, replace the pack on the bank. This is particularly true of newer and larger inboard motors. Learn how stators produce electrical current, why they have different outputs, and how to choose the right one for your motor. Engine should be cold, resistance increases with temperature. How Do I Know If My Mercury Outboard Trigger Is Bad? Your outboard trigger signals when to “fire” the switch box. to guess at powerpack , coil, or for that matter motor life. The problem started in Dec. 800. Oct 19, 2023 · Since the stator is responsible for generating power for the spark plugs, a malfunctioning stator may produce weak or no sparks, making it hard for the engine to start. Jan 20, 2025 · In summary, an outboard motor charges its battery through a series of steps: the engine powers a flywheel, the flywheel induces a current in the stator’s coils, the stator produces electricity, the rectifier converts the electricity to DC, and finally, the current charges the battery. While your at it replace the rectifier some times they go in tandem with the stator and is a $15 to $20 part well worth it. net, John will guide you through the outboard ignition parts that make up your ignition system. Aug 6, 2013 · It is my experience that older outboard engine mechanics who grew up with very simple two-stroke-power-cycle engines with minimal electrical systems are often not very good at diagnosis of electrical problems in general. out fishing and noticed the engine smoking a lot more then normal and very hard to start. Battery voltage will destroy your Ign components. I would of normally gone to the VRO however I took that off and mix Dec 6, 2014 · The stator on the 135 hp is normally just a 6 ampere stator so it doesn't put out a great amount of charge. Remove the old stator. 467. Testing the resistance of a timer base is sometimes futile using the newer meters. #6: 84-F345683: While many small engines, such as lawnmowers, outboard motors, and even some smaller dirt bikes will run without a battery, they utilize what is known as a magneto ignition system. The stator is a stationary component that generates an AC electrical current when the motor is running. The old stator has a yellow, yellow/gray, brown and a brown/orange wires. In an outboard motor, the stator How does an outboard ignition work? In this video from Boats. Does this mean stator is bad or could the problem be coming from the trigger? Original problem is no fire on 3 and 4 cylinders. Jul 23, 2022 · It is one of the crucial elements of any engine. This is the quicke Ok Im at a loss. The readings should be fairly equal. 0 800-1100 For my stator I am getting 1500ohms on LS and 149ohm on HS Beside this, what does a stator do on an outboard? A stator is basically a generator on earlier model outboards, or an alternator on later models. If it does, the stator is bad. That is unless there is an issue with the stator or alternator. org A stator is a component on an engine that is attached under the flywheel of the engine. 6. Check the output of the switch box at the + terminal of any coil. Dec 30, 2019 · It is not problem for the battery, It is a big problem for the stator type charging system on the outboard motor as they are not designed to operate on AGM, Gels or lithium batteries It all revolves around the basis of in a stator system the only control of charge current is the resistance of the battery. If you look closely at the magneto in an outboard motor, you will find that there are more magnets in the flywheel and poles in the armature cores than would seem to be necessary. An outboard's ignition system has a stator that generates the power to supply the ignition system, but also supplies power to recharge the boat's batteries. Should the stator overheat bad for any reason (usually a shorted rectifier) it may start to melt down. Other windings in the stator generate other currents used to operate the engine. 866. In this article, we’ll dive into the most common causes of stator burnout and what you can do to prevent CDI ignition failure and further costly repairs. A cranking speed less than 250-RPM will not allow the system to fire properly. <br /><br />An alternator in a car spins a coil of wire in a stationary magnetic field, thus generating electricity. Outboard Engine DVA CHARTS Chrysler/Force Johnson/Evinrude OMC Sea Drive Mercury Yamaha CDI Part # 961-0003 Rev Q 2/8/2012 TECH SUPPORT 1. The previous owner had removed the Stator. Should not my motor continue to run when the battery is disconnected? I recently rebuilt it with a re-manufactured head and short block. If you have ignition problems or your battery doesn't charge it could be your stator. But Stator does bolt up correctly. Here, we have covered the obvious symptoms of a bad trigger outboard. 3. Jun 27, 2012 · Re: Do I need to do timing after stator replacement The magnets are attached to the underside of the flywheel, not readily visible until the flywheel is removed. So, the stator may also sustain damage whenever you have a bad rectifier. which is going to be the most likely culprit, the stator or lighting coil? Do they both work to charge or is one involved in the engine running (missing or firing correctly)? Aug 6, 2021 · A battery with BMS protections could shut the battery totally down whether the stator system knows anything or not. My outboard is a 2001 60 HP Yamaha four stroke. As a result, the charging system replenishes the battery while powering the motor’s electrical components. Motor ran smoothly before I swapped the parts, with a nice Oct 4, 2024 · Bad stator symptoms indicate that your stator is failing, including dimming headlights, weak or no spark, and misfiring. still extremely easy. it can cause any number of problems including powerpack failures, dead batteries, intermittent and weak spark. I would of normally gone to the VRO however I took that off and mix Mar 25, 2022 · I do have this question, does the white wire for magneto switch to ground or to positive. 1992 60ELPTO. They provide voltage to your switchbox or CDM's. Boat has no spark? A bad outboard stator can cause no spark or no battery charging. 4. Spark changes fron 1 and 2 cylinders to 3 and 4. But how do you detect a faulty ignition coil in an outboard engine? The three main signs of a bad outboard ignition coil are misfiring, a cracked coil, and reduced fuel efficiency. Mar 18, 2011 · The modern digital meters do not do the job, unless you use the diode test function of the meter. I'm currently running dual batteries in my 16 foot fiberglass boat and wanted to know roughly how long it will take my outboard motor to charge the batteries while cruising. So I threw as many ignition parts at it as I had on hand. One of the wires in that harness is the ground wire. An alternator being in my mind a belt driven generator that outputs AC voltage that is converted to DC voltage either internally or externally. Charging lithium with an alternator through a non-restrictive charger may result in the alternator running at high power for long periods, possibly causing overheating and damage. Those black coils would be dripping a sticky looking substance down on the timer base and powerhead area. another very helpful tool to test powerpack primary output is the stevens st-77 load adapter. I am assuming that once I pull the flywheel I will be able to get the specific part number to see which I have. Jul 23, 2022 · Symptom 6: Damaged Stator. But, what about an outboard? The engine is also used as ground on an outboard. 1. For an outboard alternator, the smaller the engine is, the less it is going to charge. If it is below specifications, you then check the output of the stator. The purpose of the stator is to supply the energy needed to operate the ignition system on an outboard boat motor. The common assumption is that because the kick starter is present on all the Honda twins, the engine will start and run via kick starter without the battery, which The Ultimate Maintenance Schedule For Electric Outboard & Trolling Motors Owning and operating Newport electric outboard motors and trolling motors enhances your boating experience, whether you’re fishing, cruising, or simply enjoying time on the water. Aug 8, 2015 · Fisrt, you measure the electrical output of the rectifier/regulator. I just ordered a flywheel puller so I Oct 23, 2024 · Outboard motors use an alternator or stator to generate electrical power. Outboard… Apr 12, 2016 · Hello, I have a 2000 Johnson 200 model # J200VXSSS and it keeps burning out the ignition side of the stator. DO NOT assume the stator is bad unless there is a sticky looking substance leaking/dripping from it down on the powerhead OR its ohm If your outboard has a spark but won’t start, there are several troubleshooting tests you can run to find the answer to the starting problems happening with your motor. The stator is made up of windings that produce alternating current electricity. If it is of no use or has got damaged, then a Mercury outboard stator replacement is a must for you. Once the flywheel is off, you may find that one of the stator wires has contacted the underside of the flywheel and has worn through giving you the open circuit. On an electric start outboard, it would have a charging system. Nov 21, 2024 · Understanding Common Stator Issues in Outboard Motors. 423. The stator can be mounted at any position that causes a flywheel magnet to pass over it at the correct time. A 15 HP engine on an 11′ boat doesn’t need to have a huge battery. The flywheel contains magnets mounted in a 360 degree configuration. 3 out of 5 stars 23 Mechanic teaches how to test an outboard stator. To be on the safe side, a few weeks later I changed the rectifier (Sierra 18-05707) making sure all wiring was correctly connected. Caught som Aug 20, 2015 · About this item . com Sep 25, 2012 · I just received a stator for my 1974 Johnson 70 hp motor from Boats. If you do not replace a bad stator in good time, the engine will stall, sputter, backfire, or fail to start. Chrysler outboard manuals ; 176-3095 - Stator with Ring Connectors, Force and Mercury [ More info] $359. This time it appears to be a charging issue. What does this box do and what should this melting be affecting? The one on the back of the motor is clean and intact. As the flywheel rotates, these magnets pass over the stator coils, which in turn, generates an electrical current. With this in mind, most inboard motors have alternators. Johnson and Evinrude magnetos have two magnets in the flywheel, and three poles in the armatures. Don’t clean out your wallet for the fix, and get a boat outboard stator here. Regulator rectifiers are a bit more fragile than stators, so chances are the regulator in your outboard motor is going to fail long before the stator does. An outboard motor’s voltage regulator takes the voltage supplied from either the flywheel and the stator or the alternator. These… The stator is the stationary part of a rotary system, [1] found in electric generators, electric motors, sirens, mud motors, or biological rotors (such as bacterial flagella or ATP synthase). However this morning I Apr 13, 2010 · Outboard motors are used most commonly for boats and are developed as a self-contained unit with an engine. It's a project motor that had some mysterious and intermittent no-spark occurrances. partzilla. Apr 11, 2020 · What Is a Motorcycle Stator, and What Does a Stator Do on a Motorcycle? A motorcycle stator is a device that takes the existing mechanical motion of an engine and creates an electrical current. Most, if not all, alternators are set up for lead based batteries. Stator and rectifier are both closely related and have a direct connection. Force Outboard Motor Stator Timer Base 50HP | eBay To be sure it's the stator, measure the AC voltage between the Brown/Blue wire and ground, and Brown/Yellow wire and ground while cranking the motor. Jul 23, 2009 · 1. The engine’s flywheel has magnets attached to the inside of it, that spin around the stator. Poor Performance at High RPMs : If your motorcycle runs fine at lower rpms but starts to Falter at higher rpms , it could be a sign that the high-speed coil in the stator is Jan 25, 2024 · you need either the service manual or go to CDI website, although they seem to complicate things. Faulty Voltage regulator; Corroded wired connection leading to/out of the regulator; Issues with the outboard engine Mar 30, 2016 · Maintenance-free batteries should not be used because their life span is shortened when used on an outboard application. The first kind uses a stator and a voltage regulator. The stator is located beneath the flywheel, and uses the rotation of the engine to generate electrical power. 3 Possible Causes of Rectifier Failure on An Outboard. Disconnect one of the black/yellow kill wires, AT the Pack. Apr 25, 2011 · Re: is my stator bad? or do i have another problem? Your Stator is probally bad. Use our Marine Engine Parts Selector Tool to find the right engine parts for Oct 4, 2024 · A "burnt" stator is a common problem that can lead to serious engine trouble if left unaddressed. Keep in mind that the smaller your stator range is, the trickier it can be to test. Disconnect the yellow leads to the rectifier. Anyhow, in my looking, I see there is the stator, then there is the pulser coils(two seperate items on this motor, I guess on some of the smaller ones its combined). Those zero reading's are showing a good stator. Regular inspection and testing of the stator, rectifier/regulator, battery, wiring, and connectors will help ensure a reliable and efficient charging system for your Mercury outboard motor. Wire colors don't seem to match up with what was included as original Stator. no more guessing with all that, and costs as much as one hour labor for a While OEM outboard boat motor ignition parts are fair in quality, we offer an aftermarket brand of stator, power pack, switch box, trigger, timer base, coil, regulator, rectifier, wire harness, etc. 5 " x 3. Jan 20, 2013 · I see a used stator with trigger assy for $50 and free shipping. This problem is affected by many factors. Aug 17, 2022 · When thinking about engines in general, air filters are a common consideration. Aug 3, 2011 · Johnson Outboard Motor Outboard ignition systems are different than most. If you lay the motor down and do not follow the sticker on the s Dealing with an outboard engine that is using seawater to cool it down, if there is a clog somewhere in the cooling system, the engine can heat up and turn the cooling water into vapor. I don't want to replace the stator again. Stator; Rectifier/Regulator; Battery; Voltage Regulator; Wiring Harness; Ignition Coil; The understanding of these components enriches our perspective on how an outboard motor operates effectively and efficiently. Engine fails to run and has no spark. Mar 28, 2023 · Thus, it will result in low fuel economy. Sounds like it has worked for some combinations of motors and some Lithium batteries. I assume if it is a 9 (black) or 16 (red) Ampere stator, Merc makes no distinction other than possibly physical diameter to fit the required flywheel, not electrical parameter distinction since a 60 4 ST could be feeding the same battery as my 90-115 2 ST. I checked for voltage on each brown stator wire while cranking engine. ggh nenvol ynqc ypey dkofg oviel ccfb katl pic ndhlcen