5. 0G098660 Also, here is a picture of the boat so Dec 30, 2007 · Recent work includes: All shift shaft seal and drive shaft seals replaced New gear oil Gearcase vacuum tested OK Spark & compression tests OK (compressions #1-160 #2-155) Replaced fuel pump diaphram Replaced battery terminals Checked water pump Replaced impellor due to wear Greased propellor shaft Checked carburator settins and synchronisation Aug 14, 2018 · I have a fairly straight forward diagnosing process for diagnosing the no spark on these switch box years of Mercury. Apr 5, 2023 · Hi guys ,new to the forum here. Mercury Part Number. You may also find the NGK spark plug code helpful. By regularly cleaning and flushing your Mercury 2 Stroke Outboard motor, you can prevent corrosion, improve performance, and extend the life of your engine. Hello I have a mercury 25hp 2stroke outboard circa 1988 what wont spark, not sure what to check next, help! tested the wires from the stator and trigger to switchbox, Im only able to check static readings as its a pull start & I have no peak reading meter just a standard multimeter set to ohms Jan 21, 2017 · 1992-1998 Mercury 150, 200, 225 Horsepower Super Magnum 2002-2005 Mercury 40 hp 4-Stroke 2002-2005 Mercury 50 hp Four-Stroke 2002-2005 Mercury 60 hp 4-Stroke 2002-2005 Mercury 40/50/60 ELPT 4-Stroke 2002-2005 Mercury 40/50/60 ELPT Bigfoot 4-Stroke Mercury 6 HP Mercury 8 HP Mercury 8 HP Sailmate Mercury 9. This is the second installment of our three-part series covering the ignition s Jun 18, 2019 · 15 ft. be/CtqUxAF1H1QPart 3 - 20 hp Mercury - Bogs & Jun 24, 2007 · Hey guys' my 9. Seems to be the switch box. plugs are clean, no water, not fowled. Plug 1 wet fouled, plug 2 oily deposits but not as fouled as no. Like using ohm meter check if theres a short across the kill switch. 2. Check out the trigger connections by ohming 1-4, 2-5, and 3-6. Starting fluid is the most important "tool" for servicing outboards, particularly 2-strokes. Jun 9, 2020 · Have a 20 hp 4 stroke 2011 ran 3 trips, fresh oil fuel perfect. Been a great motor. The Tohatsu service manual gives better testing procedures and DVA readings. Nov 23, 2017 · How to diagnose a no spark on an outboard motor May 25, 2017 · After a while I was able to get it going enough to putz back to the launch. Ho … read more Feb 8, 2009 · Re: Mercury 150, no spark on 2 cylinders The trigger actually has 3 winding in it. 9 2 cyl two stroke so it has very simmilar electrical items as yours. And needless to say, a weaker spark indicates poor engine start-up, which you will face if the stator needs slight to moderate repair. It cranks fine and has fuel. 5: 0A855097 and up. I did find the kill switch was corroded and was not connecting to ground. 33-8M0114743 NGK BP6HS-10. It ran great for The CDI unit or ignition box is responsible for storing spark from the stator and transferring it to the ignition coil via signal from the trigger. I have a 1980 Mercury 115 inline on the back of my 1990 SeaRay that won't run. N/A: N/A. 9 four stroke with no spark. I will be riding along fine and bam it starts running like carp. Mar 17, 2012 · Mercury & Mariner Outboards I have no spark. Jun 4, 2023 · The world of outboard engines is vast and filled with numerous brands and models, but one that notably stands out is the Mercury 40 HP 2-stroke engine. (1997 )) Serial No: 0G549721 Model No: 1150422TD Parts and Service Bulletin List for s/n 0G549721: Search Results - Crowley Marine The service manual you need is 90-824052. My name is Henry and I have a 60 hp mercury tracker outboard motor that has no spark. On shore tested COMPRESSION both low 60's# bad☹️ did not run leak down test. I tested spark and I have no spark on my top 2 cylinders. NGK BPR6HS-10. VIN OT095664. With this guide, you now have all the "No spark problem - I have ple "No spark problem - I have plenty of fuel & Power. First, we will let you know the chart of 4-stroke spark plugs, and the 2-stroke spark plugs chart will be followed by it. The trigger has two coils firing four cylinders. Trigger 211 ohms (168-252 Specs) Ignition Charge Coil 347 ohms. 9 hp , 2 stroke motor that needs a tiller arm , would a 2000 25 hp mercury out board model 25 ELH work , if not what tiller part # XXXXX work , thanks for your help . I laid it down flat on the wrong side - not the handle side. instead of pulling like crazy I've taken the pull start off and spin the flywheel with a drill and socket. james1015@gmail. Feb 10, 2008 · a Mercury 9. Mar 29, 2021 · This 45 hp Mercury lost spark on all four cylinders. Feb 28, 2010 · Re: Mercury 60hp 2 stroke no power revving fine on muffs doesn't mean much. Checked the wires from the cdi for cyl 2 and resistance was fine on those. I have checked the wiring and found no breaks etc. Each one fires two cylinders opposite each other in timing. . OptiMax 225XS V6 2-Stroke 2-Stroke: QC12GMC See this video for information on making a DVA: https://youtu. Occasiona Mar 28, 2023 · Symptom 2: Trouble During the Engine Activation. Went to go out on Monday after a bad day at work and it would not start. I checked the wires, I switched the wires from coil 2&3 I have spark, if I change 1&2 or 1&3,no spark. The problem was debris plugging up jets and fuel passageways in the carb, perhaps old fuel that turned yellow and slimy. They seem to be one of the more common motors to have issues with spark. If you remove the bias jumper,and both work, that's your problem. Jul 23, 2008 · Re: Only running on two cylinders The simple test for a 4 cyl. 9 4 Stroke Manual Start SN 0H009807 1997 9. Checked resistance on #2 coil wire and it was fine. Nov 4, 2022 · But, as Mercury outboard has a long list of spark plugs, identifying or choosing the right one is always the key. They are really cheap and will tell you for certain if you do have a spark issue. See a good spark when I pull. net. However, like any mechanical piece of equipment, there might be problems … Mercury 40 HP 2 Stroke Problems Aug 20, 2019 · Hi there Todd good afternoon I hope you’re enjoying your day. Oct 21, 2022 · Hopefully, this time around, you won’t have to deal with the spark issues on your Johnson Outboard motor. Suppressor(resistor) Spark Plug Mecury No. Thread starter mrp724; Start date Nov 22, 2016; M. Disassembled carb and cleaned. Jul 21, 2017 · On a 2005 Mercury 90hp 2 stroke, what function does the plug on top provide. 1 and 2 with 3 and 4 and still no spark on 3 and 4. 4. neither cylinder. 9 4-stroke -- no spark, oil light doesn't light 08-22-2018, 09:17 PM Trying to check this coil out because of starting problems --got no spark on either cylinder, and have checked and eliminated wiring from the picture, including a short in the stop/kill switch circuits. We will make that job easier for you. LK. If I change 2&1 or 3&1 no spark. Not quite sure as half of the first digit is missing. Will stator #832075A4 interchange? … read more May 23, 2012 · So I thought I would start a thread about my current issue. If Mercury or Quicksilver outboard oil is not available, substitute another brand of 2‑cycle outboard oil that is NMMA Certified TC‑W3. Mar 19, 2016 · There is a number of things that could be the problem here. 2 plug, and very weak spark at no. Jul 18, 2024 · Hi, i have a 25hp Mercury Mariner 2 stroke 2 cylinder, Serial Number starts with 9559, it has no spark on either cylinder, the highspeed coil was replaced last week, but this problem occured today. I have 2 of these motors and this one has been problematic since day one. I thought I would again verify I had spark. May 10, 2005 · Hi allCan some tell me what the correct spark plugs are for a 50hp 4 cylinder 2 stroke outboard mercury?I think the serial number is 89434680 or 39434680. 9 horse mercury outboard dosn't have any spark. Specifically Mercury step by step knowledge on how to check each component of the electronic ignition. 9 MLA4ST MFG 96 I installed a Factory Battery Charging Kit years ago and have had no issues. Was working couple weeks ago. The serial number format includes: a number, a letter and six numbers (ex. 9 that has fuel,spark and compression yet won't run. Gerry Aug 16, 2001 · I am trying to get a 1971 7. 9 mercury 2 stroke ran one day won't run the next. 5 hp Mercury Comet outboard motor running but have no spark. This motor does have a mercury (the liquid metal) tilt "kill circuit that kills the ignition if the motor is tilted too far up (a safety thing) plus the normal kill (stop) circuit that runs up to the keyswitch. Jan 18, 2014 · Re: 1989 Mercury Blackmax 150 no spark Operating the starter will cause the stator to power the switchboxes and generate spark. 9 hp Mercury outboard serial #0G830487 Feb 22, 2016 · Mercury Mariner Outboard Forum . Could this mean that just the voltage regulator is bad and that Portable Outboards - The water is full of big opportunities, waiting to be explored. Remove the spark plug 2. 3 and 4. There is no spark on either of the 2 cylinders. Here’s a step-by-step guide: Safety First : Always turn off the engine and let it cool before attempting any work on the spark plugs to avoid burns or accidents. ebay. Used a Lisle 20610 spark tester and found I now have no spark on all 4 plugs. Apr 19, 2024 · Hello. So far I have found there is Nov 12, 2011 · Mercury Outboard 9. <br /><br />I think either one will work, but I'm wondering what it came from the factory with. Solutions. Anybody trying to find the best Spark Plug For 2 Stroke Engines can check out my suggestion. The process included cleaning out all the fuel lines to/from the vacuum pump and cleaning the inline fuel filter attached to the shut off valve. Seeing a good spark jump across a typical spark plug on the side of the engine is one thing. For added protection and lubrication, Mercury or Quicksilver Premium Plus TC‑W3 2‑Cycle oil is recommended. After many attempts, my '92 Merc 40 2 Stroke 4 Cylinder won't start or even bark. Motor is 75 HP Mecury outboard. disconnecting the engine harness to the motor is an easier way to see if the problem lies in the key and throttle areas. May 1, 2011 · I have a 1997 2 stroke Mercury 25hp outboard, it has been running fine all summer (Australia) and this weekend, was running great for an hour when it lost all power and shut down (as if the kill switch was pulled) instantly no spluttering/ coughing etc. Removed the plugs. If I need to remove them Mar 12, 2019 · I'm working on a 1989 8 HP Mercury 2 Stroke that has no spark. Tested spark none I have a 2000 mercury 9. You basically have two choices here: 1 - invest the 30'ish bucks in a manual and go through the ignition troubleshooting procedures - since you say that you are not "mechanical" when it comes to outboards it could get quite cumbersome and confusing trying to explain the numerous checks and tests that you need to complete. May 30, 2023 · Overheating in a Mercury 2 stroke outboard could be caused by a clogged or damaged water pump, blocked or damaged cooling passages, or a faulty thermostat. Spark Plug: Check the spark plug for corrosion or damage. Suppressor(resistor) Spark Plug Manufacturer's No. This one has had a new lower unit, 2 water pumps, and now it's broken again. In what kind of condition is Feb 27, 2024 · Probably the most overlooked part of the ignition system the trigger sends a signal to the CDI unit (power pack or switchbox) and tells it when to release voltage to the coil. Sep 22, 2019 · Mercury & Mariner Outboards . It is a v6, and a carburated engine. Change the plugs and it runs fine again. Still the same no spark. chatenever Apr 19, 2024 · Hello. The fly wheel cranks no problem. Every told me with this engine that Switch box (ECM) was bad. Jul 16, 2016 · The engine has no spark, although I have seen a very small and intermittent spark while testing for spark holding the wire about 1/16 from ground 99 % of the time I have no spark . Removed the stop wire on trigger box to eliminate any problem with control wiring, mercury switch, and anything else which would ground this pin. Any idea what could be the issue ? Jan 23, 2022 · Went fishing with my Mercury 4 stroke electric start yesterday and it started first pop but would not get up to full revs. Replaced switc … read more I've done some futher work. gg/eFazn7EYcE- In this video I perform a full tune up on a 2006 Mercury FourStroke 9. Oct 1, 2023 · Mercury 115 2 Stroke Not Peeing. <br /><br />If it is the normal style plug, I'd Aug 7, 2019 · Now, a new problem. #1 & 2 share a trigger coil and #3 & 4 share a trigger coil. Spray a lot of WD40 in again and quickly put the spark plug back in and connect the spark plug wire. Nov 19, 2013 · Re: 150 hp 2 stroke mercury outboard no spark That s/n comes up as: MERCURY - (150 H. Ran it for about an hour then it just died, would not start again. 0G112233). Also noticing some gas sitting at the bottom inside the engine block. The Apr 20, 2014 · I cant get my 2009 Merc 9. 9 and swapped over the electric start and carb from that engine to replace the problematic thermal carb in the original engine and gain electric start. Replace Ignition Coil & Spark Plug; Depending upon the age of your unit, it is not that rare to run into no spark issues. I have a 9. If you would like a copy, PM me with an email address and I will forward a copy. Actually having a good spark inside is an entirely different issue. I last used the boat about 2 months ago, and it was running fine. 2 stroke outboard. It’s a 1989 thunder craft with an 80hp mercury 2 stroke outboard (3 cylinder). 5 hp merc 4 stroke outboard now starts and runs. Swapped no. With WOT I was basically trolling. 33-19796 NGK BPR6HS-10. Serial # OB115390. 4-Stroke Mercury Spark Plug Chart Champion Spark Plugs for Mercury Outboard Motors. 9 hp question - I have a 2007 Mercury 9. 9 an 0G094809. Would anybody here have Mercury technical knowledge regarding a no spark condition on a 1992 merc 8hp. Need other parts? If you need parts not listed in the application guide, please see: Jun 29, 2012 · Hello, i have a 1986 115 hp 2 stroke mercury outboard. Both times it was just one plug out of three. Apr 12, 2013 · Re: 90hp no spark on #1 I bought a used trigger and cdi from ebay and tried that. MarineEngine. 1 and 3 plugs. Watch the video and find the link for the switchbox in the description. Oct 1, 2020 · Mercury 25hp tiller Stator replacement and troubleshooting no spark. Switched plugs around from cyl 1 and 2 and still no spark in cyl 2. Ran great. 2 & 5 would be on one winding. Please view the application guide below. About 15+ years ago, I found an early 90's 9. Checking oil full, motor restarted and ran and quit. I have replaced the stator, trigger, and Troubleshoot your outboard- how to check compression and spark on a Mercury Outboard Engine. ” After reading numerous Spark Plug For 2 Stroke Engines reviews, our team narrowed the field down to the best few. 9hp Outboard. Known for their reliability and performance, these engines have become a popular choice for boating enthusiasts worldwide. Most of the time, you will have to overcome this problem by replacing the spark plug or the ignition coil. If either connection (trigger to 2 or 5) is bad, it would cause both cylinders to misfire. It sounds like it's just about to turn over but wont. mrp724 Recruit. 2hp two-stroke outboard which will not start. 3 but made no difference to the results. I appreciate the support. i have verified that the lanyard switch is good but still have no spark . My suggestion is to buy a spark tester at the local auto parts store. Jul 9, 2015 · I would start with the spark issue. Lookup Mercury Marine 60 hp (3 cyl. They are the electrical devices responsible for igniting your combustion engine with a spark and helping it start. Had the engine since new. Im getting no fire on cyl. Pull the starter rope through until all the water has been pumped out of the cylinder. Mercury mariner 25 hp 2 stroke NO SPARK Mercury mariner 25 hp 2 stroke NO SPARK. Feb 25, 2012 · Re: Mercury 25 hp efi no spark Checked red tether cord that's fine. I will kee Oct 12, 2023 · Tested all 4 coils and they all fell within the acceptable range. A faulty trigger will result in no or intermittent spark and is often misdiagnosed as a fault with the power pack. Thread starter huna1; Start date Jul 10, 2008; H. I swapped stator wires blue and b … read more Sep 3, 2008 · Dear All, I have a 1984 Mercury outboard 50HP. 9 to start, or even to act like it might start. Jul 8, 2020 · I have tried to attach a picture but it won't let me upload any more photos. Mar 21, 2008 · Re: Mercury 150hp V6- No spark on one side Like laddies said, a lot of the time, the bad switch box (murkurese for power pack) is the one that fires, killing the other one through the bias circuit. Air Intake: Inspect the air intake for any Re: Mercury 9. Fuel: Make sure to use fresh, high-quality fuel. 9 hp 4 stroke outboard for my inflatable. Still consider myself a "Marine Apprentice" after 47 years (learn something new every day). I just got the boat and had it out about 4 times in the last 10 days. Once you are well aware of the following issues, you will never have to think a lot about how to fix them. I can't find any serial number on the engine. Spray a ton of WD40 or the like into the spark plug hole. Aug 26, 2019 · I have a 2008 mercury 150 opitmax outboard, couple of weeks ago the motor started missing and running rough. 040: 3. I appreciate your help. Gap. Tested the spark tester on my Kawasaki John Deere with electronic ignition and it gave off a nice orange spark. N. USA: 8075603 and up. 3. ) outboard motor parts by serial number range and buy discount parts from our large online inventory. . … read more Jun 14, 2013 · The first thing I would check on this model since you have lost spark on all three cylinders is the kill circuit. Try Google to find “spark plug for two-stroke engine reviews. still no spark. May 17, 2018 · Hi there, I’m fairly new to boating, and just got my first boat last year. 1 - check compression (you could have a bad, scuffed sleeve or snapped a ring) 2 - check for strong spark on all 3 cylinders (thoses triple can run on 2 without you noticing) Aug 26, 2016 · Update: My 2021 2. Early 90's. I tested the two green and white wires coming from stator and it reads 0 ohms . If your Mercury 115 2-stroke outboard engine is not “peeing,” which refers to the water stream that should come out of the tell-tale hole, there could be several reasons why this is happening. The spark is good, fuel is flowing ok and the carburettor is clean. Change out ignition switch and changed battery cable ends and cleaned and charged the battery and it turns over a whole lot better but still no spark!!!!! Well may have found my problem. Learn how to test a CDI switchbox on a Mercury outboard motor with Dr. When I picked the boat up, the owner fired it up (after the engine lugging from what sounded like a dead battery and a jump from my truck) and it sounded Nov 22, 2016 · 2006 Mercury 50 hp 2 stroke outboard no spark. com/str/simtechfarms First time poster - looking for help on diagnosing an '87 9. I found some broken/bare wires that are coming out of the stator under the flywheel. The stator will also power the rectifier, and with the rectifier disconnected from the battery (you wanted to disconnect the wiring harness, right?) it will likely blow a diode or two. I,ve replaced the ignition key switch , stator , trigger and regulator . 9 2 stroke will not restart Squirting gasoline with a syringe or similar into the carburettor air intake as you crank is another alternative to using starter fluid. Keep in mind these reading are made while the parts are still on the motor. Well I did a little troubl Maintenance access for the Mercury two-stroke 50hp is very good despite the massive 3. I haven't been able to find out what readings I'm looking for on the coil, stator, or trigger assembly for this motor. com 184 Jones Drive Brandon, VT 05733 USA (800) 209-9624 (802) 247-4700 (802) 419-3055 Fax Nov 20, 2022 · The 5 Best Spark Plugs For 2-Stroke Outboard Engines Reviews. com; Start date T-Mikes Website https://t-mikesvintageoutboards. 2001 Mercury 15hp no spark. When I pic … Apr 15, 2005 · I have a 1988 Mercury 25 2 Stroke (SN B267056) and the current spark plugs that's in it is an NGK BUHW (gapless style), but I have seen it listed online as also taking an NGK BP8H-N-10 (extended tip). Checked no voltage to all 4 coils from the switch box. Everything seems to look alright at first glance. I have a Mercury 9. I read your post about a bad ground. Thread starter chatenever; Start date Feb 22, 2016; C. Jan 13, 2022 · Join the community on Discord: https://discord. <br />I have a 9. Problem solved . I swapped coil from cyl. Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor Nov 22, 2016 · 2006 Mercury 50 hp 2 stroke outboard no spark. Outboard Motor Ignition Problems Aug 4, 2023 · An engine stalling often could be due to problems with the fuel, spark plug, or air intake system. Old or contaminated fuel can cause the engine to stall. I also disconnected the black/yellow wire leading to the kill and tiller stop switches and still no spark. I checked all the connections, and they seem fine Lookup Mercury Marine 50 hp (3 cyl. 3rd trip engine quit on plane, low oil pressure alarm came on as engine stopped. Aug 25, 2010 · Re: 1980 Mercury 40hp turn over-no start problem To answer roncoop75, did not check spark with tester, pulled plugs, reattached plug wires to plugs and grounded against engine, turned ignition key, saw spark, blue in color. Apr 18, 2021 · Will it run? In this weeks video, we will do a basic evaluation on my Force 120 hp outboard that came with my Project Pontoon. 6. Symptom 3: Lack of Required Energy Jun 5, 2015 · (Note) If #1 and #2, or #3 and #4 are misfiring, check the trigger as described above. Enjoy your afternoon Henry. This is a common 1998 and 2004 Mercury 115 2 stroke problem. Thank you so much. 2003 merc 90hp salt water series outboard with carbs, no spark on 2 and 3 cyl, Mar 13, 2009 · Re: 1990 90hp Merc 3 cylinder, weak/no spark thanks for the info, will continue with the testing I forgot to say that I also tested with the kill switch in both positions just to be sure it wasn't something dumb, and I was surprised that it had no effect - no spark at no. a 94 year modle. Mercury 9. 1 for no. I pulled spark plugs they were wet and burned, I replaced them and still would not start. Replaced trigger switch due to bad wiring. But wont start now. my question is the motor starts and runs good in neutral and in gear when im testing it outside of the water (with water muffs) but once in the w … read more 4-Stroke Bracket Cable Carburetor Code Color Spark Plug Starter Starting Stator Mercury Outboards by Year 1948 1949 1955 1956 1957 No spark in my mercury 1999 2 stroke 3 cylinders outboard. May 24, 2010 · I have a 09 Merc 50 2 stroke. Jan 24, 2013 · I have a 1969 mercury outboard 20hp 2 stroke it had spark maybe two weeks ago and now it won’t get spark I just replaced the stop switch with what I believe 20gage wires don’t know how to fix please help trying to get it ready for summer Jun 27, 2023 · 2001 25 HP Mercury 2 stroke tiller ran great no spark now. I am in Australia so possibly an Aussie model?Year of manufacture would be useful also Apr 29, 2010 · Re: 2002 mercury 150 no spark Direct Volt/Amps, a Volt/Ohm's Meter with a specific resistor and capacitor in-line, it puts a measured load on the charging system while charging the cap, the cap stabilizes the meter reading so you can read a steady voltage rather than a blip. Got no spark when I pull it. fiberglass. Pull the starter rope through several times. No spark on either cylinder. Is the Stator, Trigger, Switch Find spark plugs for your 2-stroke Mercury Mariner outboard using the application chart from the Mercury Quicksilver catalog. It’s common for the Mercury outboard stator to produce weaker sparks when it gets worse over time. Standard Spark Plug Manufacturer's No. We stopped a few times and it started up but not easily then would not start at all. Mar 1, 2015 · What has been done: Using a spark gap tester, set to a gap about 1/2 what should be a good gap test. Mercury Mariner Outboard Forum . 2. huna1 Mar 12, 2019 · Hello, I'm working on a 1989 8 HP Mercury 2 Stroke that has no spark. Joined Nov 22, 2016 Messages 1. Thread starter monk. Aug 11, 2005 · Re: Mercury 2Cycle 25 HP no spark Definately check simple things first. Nov 22, 2016 #1 Hello, Nov 27, 2017 · 1. It was running great until I tried to put it in the water again this year. Was doing some trouble shooting found 2 yellow wires on voltage regulator at the connectors melted together, yes both yellow wires seared together. The engine cranks but it will not fire. Hopefully this video helps someone. Could anyone tell me how to test the stator (p/n 336-3996)? Apr 6, 2016 · Got a spark tester and it appears there is no spark at all 4 plugs. May 19, 2021 · See how to test the spark plugs on your outboard in this video from boats. I'll just take it back to the dealer for more warranty repair. 1, plug 3 like it's never seen spark of fuel in its life! - Swapped coil positions to see if the issue moved. I go throug Feb 6, 2022 · Part 2 - 20 hp Mercury - Bogs & Stalls at WOT - Is it a Fuel or Electrical Problem? Let’s Find Outhttps://youtu. It's a 2 stroke. Mercury Marine recommends servicing the 50 every 100 hours or annually after the initial 20-hour checkup. 4hp Mercury 4-stroke NO SPARK 4hp Mercury 4-stroke NO SPARK. No spark on all three cylinders. NGK spark plugs are original equipment on many outboard motors and are excellent replacements for everyday engine maintenance. Maybe beause of trying to start it for minutes with no spark? Mechanic's Assistant: Have you checked the spark plugs to see if they are fouled or worn out? They were changed last year. Here are some common causes and potential solutions: Oct 19, 2016 · I installed my spark tester and nothing. Check these components, remove any debris or buildup, and replace damaged parts to resolve the issue. 9. I checked for spark in plugs Mercury Outboards: Find Your Serial Number Locate the serial number label on the transom bracket of your outboard. Prior to putting it in the water, I tested it out after Jun 28, 2023 · Are you searching for the best spark plugs for a mercury 2-stroke outboard but had no luck so far? If yes, then you have reached the right place. The #1 and #2 cylinders spark on one side and #3 and #4 spark from the other side of the switch box. Proper lubrication is vital for the smooth operation and longevity of your Mercury 2 Stroke Outboard motor’s moving parts. 0lt powerhead-mounted oil tank, with the carbies, spark plugs and filters easily reached. com/ T-Mikes Ebay Store https://www. Stator - Swap the red with the red/white wires and the blue with the blue/white wires - if the spark moves to the other 2 cyls the stator is bad. This is on a Mercury BlackMax 135 that I have on my 330-V Range As long as the engine is getting spark, has compression and is getting fuel, it should fire right up! Check Us Out! Now that you know how to diagnose a non-starting engine, check out these other helpful articles packed full of information to help you with your boat! To ensure your 2-stroke outboard engine reaches its full RPM potential, regularly inspect and replace spark plugs as needed. Replaced trigger with aftermarket since old one was open (0 ohms) and looked damaged. through this I've found that every once in a while I'll hear a pop and see a poof of Aug 22, 2018 · Checking ignition coil on 2010 Merc 9. 1997 Mercury 9. Kill switch is functioning properly. Is it possible for you to send me a picture of the Bad ground wire you greased, cleaned. Motor: 1994 40hp 4cyl 2-stroke S. 9 HP Mercury 9. I went to take it out today, and it wouldn't start. Still no spark. In the past week it has fouled the plugs twice. 2 cycle model # oG20073 . Nov 22, 2016 #1 Hello, Mar 13, 2018 · I have a 1996 mercury 40 hp 4 cyl. I have the factory service manual and started the test procedure, here is what I found. I was puzzled. I did some basic fault finding at the time and have found I have no spark at all (both plugs), Apr 7, 2011 · Hello all, I have a question regarding a Mercury 2. Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC. 0A855097 - 0G710612 Aug 4, 2010 · I have a 2000 Mercury 40 HP 2 stroke (says Tracker on the cover) on a 18ft suntracker pb. But one of the wire from the stator to the switch box and two wires from Apr 24, 2011 · I have a 1996 (I think) 200 hp Mercury. The only thing that was changed is I added sta-bil to the gas Who wins in a race between a new Mercury 4-stroke and an old, 25hp 2-stroke?We found out first-hand the risk of buying a second hand 25hp 2Stroke, upon inspe Nov 5, 2013 · I have a 2000 mercury 20hp 2 stroke it has compression it has fuel but no spark, it ran with a sluggish (sounded like one cylinder was firing) so I replaced the plugs and one plug wire was broken so I put a new wire on too and it ran like a scalded dog for about 1 hr went back to the boat ramp and had my buddy get the trailer and it stalled about 4 times but kept turning back on. 2003 merc 90hp salt water series outboard with carbs, no spark Apr 25, 2021 · Quick video on the steps to identify a no spark issue on a 25hp Mariner. From big fish and big adventures to the next big job, make the most of what’s waiting for you on the water with a hard-working, efficient, reliable Mercury TwoStroke outboard. The motor appears to be near new, no corrosion anywhere. Replace it if necessary. What should I be getting for voltage out of the Primary? Looking for a couple of quick troubleshooting steps to see whats going on. 9 HP Sailpower, XR10/MAG Aug 12, 2018 · its a 2004 15hp mercury 4 stroke model 15m4str, i check the park plug an theres no fire , i put a screwdriver in the plug cap an touch the motor an didnt received nothing , i unplug all the kill switch an i dont have any fire on the 2 plugs . be/juhri_NxQcQIn this video I go through testing the CDI ignition on and outboard motor to diag Standard Spark Plug . I would assume that it's not the coils, because there are seperate coils for each cylinder, and neither plug will spark. New one reads 1020 ohms. Jul 11, 2012 · I have a Mercury 15 hp 2 stroke will not start after winter storage. It is turning over strongly and the battery is almost new. Engine ran good but lost spark. Now will not start. that is running on 2 cyl (upper or lower 2) with the black/yellow disconnected. 33- 19796. BTW, never ever push it past 1500-2000rpm without a load (ie on muffs). P. May 3, 2013 · I have a 2 Stroke Mercury 20 hp Tiller w/ a pull start. Apr 7, 2020 · I have a 2000 Mercury 60 HP 3 cyl 2 stroke outboard with no spark. Mercury or Quicksilver Premium TC‑W3 2‑Cycle oil is recommended for this engine. Spark plugs are integral to your engine. Also, the switch box is divided into two parts. Somehow, after the last start, the motor is not fire. Starting to **** me off. Charge coil had low resistance initially and on the DVA was outputting 33 DVA where the manual calls for 100 DVA minmum, I'm guessing Aug 3, 2023 · Undoubtedly, Mercury 50 HP 2-stroke is a reliable outboard engine, but it can encounter problems like any mechanical system. However it refuses to start, just occasionally kicking back and trying to pull the pull start handle out of my hand. I'm thinking it's the cdi and don't mind spending the money if that's the problem. Tested stator shows weak. Jun 28, 2023 · Finding the right spark plug for your Mercury 2 Stroke Outboard in 2023 is an important task that will help ensure your boat runs smoothly and efficiently. Now I can not get the engine to start at all. Motor will spin over, but will not fire/spark. Properly Lubricating Moving Parts. 9 4 to 8 year old outboard 2 cycle. I hoped Some else might shed some light on the likely cause. The owner wants it fixed and asked me to diagnose the problem and fix it. 040. I checked for spark on both cylinders with an in-line tester, and no spark. Thread starter huna1 2001 Mercury 15hp no spark. The points are used but dont look too bad. May 16, 2011 · Re: Mercury Mariner 90hp no ignition spark help check for a fall overboard kill switch and if you find it make sure its engaged to fire. xe dp ir nj fq iy lu pm qq dm