I guess the only thing left is the stator which I understand is rare to go bad. You are invited to join our public Boat Repair Forum to seek assistance from other members. Slow Engine Cranks . While a battery switch is an excellent feature to prevent battery drain, it can also be the reason your boat won’t start if you forget to turn it back on. January 6, 2014. When you have a problem with the electrical current in your car, the battery is typically the issue. If the voltage is The CDI Regulated Rectifier also converts AC voltage to DC voltage, leaving no interference to other electronics. You need to ensure to check your battery so that the alternator can begin charging and working again. Please have your outboard or sterndrive serial number before placing the order. First, your outboard has a very low charge rate (6-9 amps) and charging more than one battery at a time is not recommended. The second is the power-out post, which routes electricity to the starter either with heavy red cable leading to the starter or by attaching to a copper strap leading into the starter motor on solenoids mounted atop the starter motor. It would drop down to around 12.5 - 12.8 engine off and the battery fully charged. NEVER allow the stator to charge a battery. Spin around the lake for 30-45 minutes pretty-much bring the main deep cycle back to full charge. By Bill Grannis. Both are wet-cell lead-acid. I replaced fuse and voltage regulator, still the same problem. 3. When the battery charge is not replenished and is low, you will experience some issues with starting your vehicle. But it is not recommended to go this way as those electric outboard motors for sale might not guarantee your full warranty. The Sea Ray SLX-R 400e carries triple Mercury Racing 450R outboards, each with a 115-amp alternator, so the boat’s batteries will recharge quickly once the engines are running. Between the two batteries I use a Battery Switch which allows for which battery I wish to charge and wish I wish to use. OPERATION IMPORTANT: Outboards with battery charging capabilities must not be operated with battery cables disconnected from the battery. www.mercurymarine.com/.../rigging-accessories/battery-accessories 150 HP (2013) Mercury Fourstroke with 15x15P SS Enertia (Thanks Todd!) By Charles Plueddeman. Total output at max rpm is probably no more than 8amp, and drastically reduced at lower rpm's. They may be loose or corroded, as cables themselves can become so corroded over time that they won’t carry enough current to start the engine. When you're out sailing for a few days or more, the alternator and the solar panels do charge the battery, which is better than the alternative of not having any ability to charge the battery. profile | register | author help. As the flywheel spins, the magnets pass by the coils of wire on the stator and electricity is generated from the rotation of these magnetic fields. Regulate your voltage with a CDI Electronics Regulated Rectifier. Outboard Motor outboard motor pdf manual download. Love this motor. https://www.pbo.co.uk/.../charging-a-battery-from-an-outboard-motor-19215 Could this be the alternator or possobly the pcm. Build a charger (simple). the voltage rises above 14 v while being charged). Also for ... 63 Performance Loss.....63 Battery Will Not Hold Charge.....64 OWNER SERVICE ASSISTANCE Local Repair Service.....65 Service Away From Home..... 65 … Only if the + and - gets together the diode and coil will be dammaged. Again in this case, the alternator will be providing the charge, not the car's battery. Almost all outboards that have electric start and that were built in the last 20 years, will have either an alternator or a stater that charges the battery when the engine is running. Nautique Announces Equal Prize Money at The 61st Masters . The 25ELH delivers consistent, easy starting, crisp throttle response, increased fuel economy, and outstanding overall performance. Good Answers: 4. Battery cables and connections: If your battery’s reasonably charged, check the battery cables from the battery to the engine. So it’s convenient and won’t impede your schedule. With the readings you posted, I would say you are correct that it is not charging at all. OUTBOARD MODELS MANUFACTURERS RECOMMENDED BATTERY MINIMUM SPECIFICATIONS BEST FIT OPTIONS BEST FIT OPTIONS FLOODED ABSORBED GLASS MAT (AGM) * Mercury does not recommend flooded batteries on Verado motors. The rectifier can remain in place, but all wires will need to be removed from the rectifier. One is powered directly from the battery with a heavy red electrical cable. The 25EH delivers consistent, easy starting, crisp throttle response, increased fuel economy, and outstanding overall performance. search | FAQ | Boats. Boats. OUTBOARD MODELS MANUFACTURERS RECOMMENDED BATTERY MINIMUM SPECIFICATIONS BEST FIT OPTIONS BEST FIT OPTIONS FLOODED ABSORBED GLASS MAT (AGM) * Mercury does not recommend flooded batteries on Verado motors. Mercury 150 FourStroke Operation & Installation Manual (136 pages) Brand: Mercury | Category: Outboard Motor | Size: 7.07 MB Table of Contents. 2005 mercury mariner charging probles. They produce alternating current (AC), and are primarily designed to power the navigation lights of small open boats without batteries. Stators come in various outputs from 6 amp to 40 amp. Make sure to charge any battery off of a battery charger BEFORE installing. Yes. Peter Fildes builds a circuit to effectively charge his batteries from his outboard motor’s lighting coil. Mercury 94 150HP XR6, Outboard, 2 stroke Not rated yet Went to start it up after sitting idle during the winter, new plugs, a little lubricant in the cylinders, fresh charge on the battery and no start. I don't have a multimeter though. August 24, 2010. Older model outboards had stators for the sole purpose of battery charging through the regulator and the ignition systems were driven from the battery itself. Whenever the outboard engine is running, the combiner will share the charging output with the trolling battery. I have a voltmeter on the battery and my fish finder and they both show no change in volts even at high rpms (i.e. 7 Answers. The Mercury 25 HP EFI outboard motor 25EH model is a tiller steer outboard with 15-inch short shaft, electric start, and manual tilt. Tach not working on Mercury Outboard Showing 1-3 of 3 messages. When the engine is off, the trolling battery is separated from the starting battery and will not … The battery went dead. The tach stops when the charging rectifier module goes out. Battery Connections Set Up Instructions For Oil Injection System CAUTION For dual outboard installations, the BLACK (- -) CAUTION battery cable of each engines starter motor Oil injected engines additionally, must be run on ground circuit, MUST BE connected to each oth- a 50:1 gasoline/oil mixture in the fuel tank for the er by a common circuit (cable) capable of carry- first 10 gallons of fuel. Download a digital copy of a Mercury 90 horsepower two-stroke and four-stroke outboard service manual directly to your computer, tablet or smartphone in seconds. All day no problems. 2021 Sea Born LX26 XLT. Battery is not charging. The current one is dated 4/11 so I know it's not the battery. The stator is designed to maintain the battery's voltage at an optimum charge. How does an ACR differ from a battery isolator? And allowing the power to flow through it- even when you turn it to the ON position. View and Download Mercury Outboard Motor service manual online. Sterndrives & Inboards. Imagine for a moment that you have found the absolute perfect fishing hole in a large lake. I have a 90HP 2cy serial 0T734284 that does not seem to be charging. My tach does not read erratically which is a sign of a bad voltage regulator. The charge portion of the stator on most outboards produces AC that varies between 12 and 16'ish volts. Tightening and cleaning them restores the connection. If the boat is running and the battery is not charging, then the I have two series 24 combination start and deep-cycle batteries connected by a VSR to help keep the trolling battery topped off. The good news is that most electric outboard motors can be fully charged overnight. Check the voltage on the red and white Ignition wires at the CD Unit. TAGS: Practical Projects . - 35 MPH at 6400 RPM with light load, but ~15 mph in turns when tubing with a loaded boat. 3HP petrol outboards generally do not have a reverse gear, including the leading petrol engine brand Mercury’s four-stroke 3.5 HP. With the CDI Regulated Rectifiers, you get the benefits and stability of the regulator, but in the same easy-to-install case as a standard rectifier. Battery charging is not a linear process. Mercury Diesel. The Mercury 25 HP EFI outboard motor 25ELH model is a tiller steer outboard with a 20-inch long shaft, electric start, and manual tilt. MarineEngine.com does not offer troubleshooting assistance or repair advice by email or by telephone. Just connect a COMBINER 100 between the starting battery and the trolling battery. Disconnect the Mercury Outboard switch and reset, if the engine fires, replace the Mercury Outboard switch. Simplify battery installation or removal, and reduce corrosion and loose connections - while making sure that all accessories continue to operate every time. Topic: 2007 Mercury 40 hp not charging battery while running: bluepete: posted 08-28-2011 09:05 AM ET (US) I have a 2007 130 Sport with a 40 hp Mercury EFI 4 stroke and my battery is not charging while running. When the engine is off, the trolling battery is separated from … Issues related to the electrical system of the boat now rank right behind bad fuel as the most-common reason a modern outboard won’t start, according to service experts, and it all starts at the battery. The alternator puts out 25W 2 Amps charging. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. It runs well, but is not charging the battery. # 7. Outboard Expert: Marine Batteries. 2 Quote; Link to post Share on other sites. This is how all bass boats are set up. A more stable charge will prevent battery damage and even prolong the battery’s life. Some reputable electric outboard motor manufacturers like ePropulsion also feature quick charging that can cut down the charging time in half. If you are having problems with the charging system, you may need to test the rectifier for functionality. I have a 2005 mercury mariner 3.0 v6. Buy the Books. https://stingysailor.com/2019/06/29/outboard-motor-charging-solution-2 06/23/2007 4:24 PM. Does anyone know how to test the tach to see if it has gone bad. A-Jay 38,658 Posted January 27, 2016. I have a 2002 Mercury 60 hp efi. The tachometer quit working yesterday. When the engine is running, the voltage does not change. MERCURY MARINE (continued) 4-Stroke 9.9hp - 25hp 350 CCA (465 MCA) 24M4 24M5, 24M6, 24M7, 8A24M 9A34M, 9A31 14, 27M6 140,, DP24 140, 8A27M … Almost all outboards that have electric start and that were built in the last 20 years, will have either an alternator or a stater that charges the battery when the engine is running. A dual-sensing ACR will sense an active charge source on one or both batteries and not solely on a designated battery. We build Mercury MerCruiser® Sterndrive engines and drives to power your life on the water. NEVER jump-start a battery while an outboard engine is running. The ACR will operate if the measured voltage on either of the terminals is of a level to initiate a connection or disconnection. Voltage rises and charging current drops. Mercury Rectifier Troubleshooting . 3. Always use a battery charger to charge a battery. So I put a voltmeter across the output and its showing AC volts only. Whenever the outboard engine is running, the combiner will share the charging output with the trolling battery. Manual Starting Models - Pull the starter rope slowly until you feel … The alternators are each wired to an AGM lead-acid starting battery; the starting batteries are connected to the lithium bank through three Charge Mate Pro 90 DC-to-DC converters. At what … I have the manual and it seems that there are only a few items that could be wrong with the charging system: Voltage regulator/rectifier, battery, stator. Table of Contents. People commonly have the misconception in thinking that a small amp stator will fully charge the cranking battery. After charging the battery, we only show the alternator output at approx 12.8 volts. The test involves the use of a multimeter. If the battery will not charge or does not hold a charge, you may need to get it replaced. # 91-883704Q03 Verify the battery switch has not failed by not turning on. Re: Outboard motor battery charging. You may also visit the Boat Motor Manuals section of our site to obtain a service manual. The battery voltage is 12.8 when the engine is not running. The manual says the voltage should increase to around 14.5. Converting Your Outboard's Unregulated Charging System. Boats. I also plan to check the wiring to see if I have a … I put wiring in for the charging circuit but only just got round to connecting it. After you perform these tests. © Infopop Corporation (formerly Madrona Park, Inc.), 1998 - 2000. Is there anything else easy I could check before taking it to a repair shop? 39 MPH at 5700 RPM, heavy load. Battery isolators, on the other hand, they have an inbuilt voltage drop such that your trolling battery and starter battery doesn’t get a full charge. I had a year old optima dual purpoase battery on it, ran it down after a day of trolling, then purchased another agm dual purpose battery and it also ran it down. The generator system on outboards consists of 1 or more seperate charge coils under the flywhel. Reliable. Those who have outboards with unregulated charging systems along with late model electronics on their boat are probably familiar with aggravating overvoltage alarms and depth-finder shut downs. Title: Mercury Mariner Outboard 75 HP Service Repair Manual, Author: hmbmsbla, Name: ... DO NOT fast charge. Also, where does the tach connect to on the engine? Most outboards with pull and el starts may run not connected to any battery, BUT b sure the battery cables have isolated ends. At what capacities and loads they charge the batteries is another thing. Nothing happens, it doesn't charge at all. Systems with greater charging outputs, around 10 amps and above, use a regulator to keep the current and voltage from exceeding certain limits. Anyway, both batterys go-on charge once I get home. Hope you find the problem. 115 HP (2012) Mercury 4 Stroke with Black Max 13-3/4 x 15P. 7. Boats. I have a 2007 130 Sport with a 40 hp Mercury EFI 4 stroke and my battery is not charging while running. If you have to charge your battery before every time you start your engine I suspect the battery is no good as the energy required to start your engine is only a small portion of what should be available after a full charge. How You Should Connect . Great for aluminum tiller, aluminum console, jon, utility, and fish & ski boats. January 6, 2014. 2. By Bill Grannis. Converting Your Outboard's Unregulated Charging System. By t3648jp in forum Mercury Mariner Outboard Forum, By gsbooker in forum Mercury Mariner Outboard Archive, By galen bartels in forum Mercury Mariner Outboard Archive, By mark in forum Outboard motors archive 2000-2004, By Anonymous in forum Outboard motors archive 2000-2004, Forum Rules, Information and Announcements, Gas Inboard Engines, Inboard/Outboards, and Sterndrive Forum, Other Diesels Mfgs and General Diesel Questions, Miscellaneous Marine Engine Related Topics, Tubing, Water Skiing & Wake Boarding Forum, Suggestions and Feedback regarding this board and the website, Suggestions / Feeback about the MarineEngine.com site, Test posting of messages, photos and formatting, http://www.marineengine.com/newparts...ne=&Model=, 2004' Mercury 50hp 4-stroke charging system, Default charging circuit on 8 HP Mercury 1987 model, 1991 60hp mercury unregulated charging alternator problem. i've had a 4hp mercury sailpower 2 stroke outboard on my signet 20 for ages now. Powered by: Ultimate Bulletin Board, Freeware Version 2000Purchase our Licensed Version- which adds many more features! On boats equipped with two batteries or a battery switch, make sure you have it set to “on” or “both” before trying to start your boat. I'm pretty sure the alternator receives feedback from the PCM. I just replaced the voltage regulator/rectifier (purchased from boats.net - it had a date on the box that said 7/11 so it "should" be new) and ran the engine today. If you want to connect the trolling battery to the outboard motor, you need to use a combiner that will connect between the trolling battery and the starting battery. If your battery is not charging, then there could be a few different reasons why. Mercury Outboards – Durable. More Boats. Great for aluminum tiller, aluminum console, jon, utility, and fish & ski boats. Spirit 1.0 features … I … 2021 Tiara Sport 43 LE. That is why only a small charging output is produced at engine idle, but