Yamaha 50 hp 4 stroke outboard troubleshooting. F50 outboard motor pdf manual download.

Yamaha 50 hp 4 stroke outboard troubleshooting. May 22, 2019 · POWER TILT TRIM Electric Motors 1976 – 1992 Three (3 ) Wire POWER TILT TRIM Electric Motor: This PTT electric motor existed between 1976 thru 1981. An overheating outboard can lead to en Subscribed 19 8. This 150hp engine was designed to satisfy the needs of the recreational boating community looking for a quieter engine with fuel-efficient power for small to mid-sized boats. Here are some tips to point you in the right direction with professional advice and some easy preventive maintenance tips to keep that electrical juices flowing like they should. 8-liter displacement and innovative DOHC/SOHC designs featuring four valves per cylinder, contributing to its lightweight structure and exceptional volumetric efficiency. Motor has been at me for 15 years with no major problems. no power off idle e for10 minutes then r Take that timing light and with the engine on the water hose, check to see if the timing is advancing when you rev the engine. Dec 8, 2022 · Struggling with Yamaha 4 stroke outboard idle problems? Well, your difficulty ends here. Jun 8, 2020 · I have a Yamaha 50 2 stroke, 50 TLR. Feb 19, 2004 · Re: Yamaha 50 hp Four Stroke, difficult Starting " Cold " hello<br /> without actually looking at your engine I willgo out on a limb. The CDI would be the next thing to test. Dec 10, 2004 · Re: Yamaha 50 horse 4-stroke will not start try another battery and use jumper cables to the same connections as the current cables. Understanding the common problems and their respective fixes will help you address any technical difficulties you may encounter. Yamaha Outboard Tilt Trim Broken - Diagnosis & Troubleshooting Guide DrewFixIt 17. It starts up fine, 2nd or 3rd pull. 150 HP - 63P Outboard Motor F 150 XA could you please advise on availability and price including postage to Melboure Australia. As long as the safety lanyard is in place and you did a real spark test while cranking, I would say you're on the right track. This is referred to as “Making oil If you have overheating problems on your outboard, you could be headed for bigger problems unless you take care of it. engine runs rough in idle Read less 1 Likes Share: A discussion of outboard motor starting problems, some of the causes and quick solutions, aimed at non-mechanics. number 4 cylinder will not spark across spark plug. Over the winter it was "serviced" but then the guy who brought it back laid it on the wrong side so that oil went into the cylinder and it would not start. Will this never end??? Has anyone else had a rough running engine with good compression, good leak down, new carbs, new fuel, profession link and sync twice, new filters, etc. havent put my finger on the reason yet, but it has made for some hard starting. I’ll also The 50-hp 4 Stroke midrange engine features a two-piece upper case and 10 percent lighter pistons. In this video we diagnose the Jun 9, 2010 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. Used the boat twice this summer with no problems, until a few weeks ago i drove into a bay and reduced the speed, after Feb 9, 2013 · Re: Yamaha 50hp 2-stroke engine problems! please help! Has the boat sat for a lenght of time before use? Your old man might be right if it has. net, John will guide you through troubleshooting an outboard that won’t start by addressing the simple things first: your kill switch, your fuel, your battery If you know how to troubleshoot a bad outboard fuel pump, your day doesn’t need to be ruined. In this article, we'll discuss the common problems associated with Yamaha outboard motors, their causes, and preventive measures to ensure your engine runs smoothly. I also changed the tank and lines, only use premium non ethanol gas with seafoam mixed in so the gas is good. Mar 29, 2021 · Small four-stroke outboard engines are pretty simple. I?m also concern about the author of below procedure because he started with ?Here is the quick and dirty way to adjust the shift Nov 16, 2006 · What you think? I get a few customers each year with high oil levels in their 4-stroke outboards and it’s really tough to explain why sometimes. Jun 24, 2021 · Here's a tip if your electric system is having shorting problems. be sure to use no throttle if yours is a model with an electric choke. I have replaced the fuel pump, spark plugs, and fuel filter, and I have cleaned all four carburetors three times, yet the motor still exhibits the same issue. Explore common problems and solutions to keep your motor running smoothly. The original OMC part number is 387277 and supersedes up thru the numbers of 582048, 582155, and finally to its present part number of 584107. Sep 21, 2004 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. F50A outboard motor pdf manual download. The engine is 7 years old and began to have overheating problems. i have also been noticing bendix sprag problems on mid range four strokes. and it has an electro thermal plunger that assists with cold start but allows less choke when the ambient temp is higher. Did you do a visual check of the fuel going into the engine? You may have air getting into a leak in a fuel line, quick disconnect. Also for: T50, F60, T60. Dec 11, 2021 · Suzuki outboards have been gradually permeating the market since 1994 when Suzuki Marine produced its maiden 4-stroke outboard engine. If you're encountering this issue, try the fixes in this article. This page is designed to help you with the main topics where common problems occur. ??? I need some help. No previous issues, serviced and winterized yearly. 1 liters (2. Video and troubleshooting tips on how to quickly diagnose problems with an outboard motor that wont idle. Trying to figure out what I should do, because it is a very decent offer. A little troubleshooting can help you diagnose a faulty outboard fuel pump. 5hp-300hp, these outboards are quickly becoming favorites of boating enthusiasts. It is perfectly okay to use a third-party VST filter. Jul 11, 2024 · Yamaha 50 HP Outboard Oil Capacity The Yamaha F50 has an engine oil capacity of 2. However, there is no regulation that you must use Yamaha-certified VST filters. Check out this article to know how to get all the idling issues solved in a jiffy. Here's how to fix— and prevent— the most common problems. Mar 25, 2015 · I've had a year long struggle with my 2005 yamaha 50 hp. You could have crap blocking up the high speed jets. If you’ve got a problem, have a look at our guides to finding the problem in a diesel fuel system or electrical system. May 17, 2024 · To troubleshoot your Yamaha outboard, refer to the manufacturer’s troubleshooting guide for specific issues and solutions. Read your manual to determine which style of engine your Yamaha 40 outboard is, though if you can identify an oil filter, you obviously have a 4-stroke. ericsoutboard. It appears to be unavailable at Bombardier but it might be available at Sierra under Sierra’s part May 8, 2016 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. Aug 2, 2013 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. 2 days ago · There is a golden rule to any gasoline powered motor whether 2 stroke or 4 stroke. The troubleshooting steps in chapter 5 should guide you. The F225 models in particular experienced some controversy due to severe and unusually fast dry exhaust corrosion problems after only 500-700 hours of use, which in most cases would happen just View and Download Yamaha 50 owner's manual online. Sep 11, 2018 · My 2014 25hp 4 stroke bogs down at 1/2-3/4 throttle. Oct 20, 2022 · The trim and tilt unit is the outboard engine system’s most crucial part. Fuel system: The boat has an Internal fuel tank. Cleaned the tanks, changed the 10 micron fuel separator, new ball, replaced fuel lines & fuel pump, cleaned carbs twice, adjusted timing, replaced plugs, checked compression did link/sinc. Feb 16, 2015 · 02-16-2015, 09:26 PM Yamaha 50hp 4 stroke Outboard FT50 overheating problem solved I write this in the hope that it will help others avoid the excessive time and energy trying to solve this problem. Jul 1, 2006 · Re: 2002 YAMAHA 50 HP 4 STROKE PROBLEMS popping is most likly due to a lean carb. What can be problem (s) and how do we fix it? Thanks. 47 US quarts). . Oct 30, 2021 · Forum General Discussion Yamaha Outboard Forum If this is your first visit, be sure to check out the FAQ by clicking the link above. This is because most of the heads on the engine will tell you the order of how to take out the bolts holding the head-on. I would appreciate any comments you many have on these 2004, 200 hp engines. The next time your motor shuts down on your look to where the surface packs are for your electrical system (the part that powers the spark plugs) and spray WD40 or similar product on and around each item generously Aug 21, 2023 · In 4-strokes, there is an oil filter and cavity, and it must be changed every 100 hours or so. Each had unique engineering specs, power capabilities and intended uses. So I prepared this to present to customers with the problem and I thought it would make a good FAQ. The Yamaha F115 weight depends on the model and shaft length, but it remains one of the lightest 115-horsepower outboards available: Yamaha F115 4 stroke weight (20-inch shaft): 377 lbs (171 kg) Yamaha F115 4 stroke weight (25-inch shaft): 386 lbs (175 kg) The weight of a Yamaha F115 four-stroke makes it a preferred choice for mid-sized boats, anglers, and water sports enthusiasts, as it Dec 19, 2007 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. If I leave it to cool for a Yamaha Outboard Electrical Repair, Diagnose Engine Harness Voltage Issues Outboardst. May 29, 2021 · Forum General Discussion Yamaha Outboard Forum If this is your first visit, be sure to check out the FAQ by clicking the link above. Feb 6, 2015 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. In 2011 alone, the company featured 10 different four-stroke makes with dozens of different models. Nov 10, 2023 · Stressed to see your Yamaha outboard not pumping water? Let’s find out the reasons. Here are 9 common reasons why an outboard dies at idle: Carburetor issues Idle settings not configured Water in the fuel supply Clogged fuel tank vent Malfunctioning idle air control valve Fuel system issues Faulty spark plugs Fuel injection issues Damaged thermostat Keep reading for an in-depth analysis of the most common causes of problems that make your outboard motor stall. Thank you. Jul 29, 2016 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. Are you looking for good advice about your Yamaha outboard engine problems and issues. The throttle position sensor on those motors have given me problems that make it seem fuel related. One of the most important aspects of boat maintenance is ensuring that the engine’s cooling system is functioning correctly. Feb 18, 2013 · Re: Yamaha 50 TLR 2 stroke power problem. 1995 Yamaha 50hp outboard engine model code F50 . View and Download Yamaha F50A service manual online. Troubleshooting Your Yamaha 4-Stroke Motor A Guide From Eric's Outboard Marine Service in Miami, Florida It’s no secret that Yamaha offers one of the most impressive 4-stroke outboard motor lineups on the market. So, before casting off into uncharted waters, let’s dive deep into the most common problems Yamaha 250 outboard owners face and explore potential solutions: 1. If you have a Yamaha, or any outboard for that matter. In this short video from Boats. You can fix the outboard motor yourself by reading our article below. I have read articles on major corrosion problems with the 2000-2004, 225 hp 4-stroke Yamas. If you have any question about the operation or maintenance of your outboard motor, please consult a Yamaha dealer. Jun 12, 2023 · In conclusion, the Yamaha 25 HP 4 Stroke Outboard Motor is a reliable and efficient piece of machinery. Wondering what potential problems are most common for 115HP Yamaha 4-Stroke and how to solve them? This quick guide will cover all of the pros and cons of these motors, common problems, troubleshooting and how-to’s for fixing them. Scrap It? Hey guys, I have a decent deal on a nice vessel but the yamaha 40 hp 4 stroke has very low compression on one cylinder. Jul 2, 2022 · m hoping you can help me with my problem as i have run out of ideas. What Year Yamaha Outboards Had the Most Problems? When it comes to the F-Series of four-stroke Yamaha outboards, the first generation models manufactured between 2000-2005 are the ones that stand out. Q. The first problem was that the motor would stall and the own I am looking for a hard copy of Service/Repair Manual for Yamaha Outboard Motor manufactured 01/2014- 4 Cyl . This option is the perfect choice for a mid-sized craft, with lots of bang for your May 14, 2018 · Hi Guys, New to the forum but I am having a very frustrating issue that I cannot resolve on my 2003 Yamaha 50 hp TLRB 2 stroke outboard. Could someone please help me improve the instruction and correct any wrong part name. Jan 25, 2010 · Yamaha 50 hp Four stroke problems Jump to Latest 12K views 8 replies 5 participants last post by whitesnake Jan 29, 2010 MerseyAngler Discussion starter Please be sure to like and subscribe to my channel to stay informed and get the latest videos and reports for the east central Florida areas. Should I try to repair? What's the worst case scenario cost? May 27, 2009 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. It is also commonly used in Mercury Outboard motors. May 3, 2009 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. F50 outboard motor pdf manual download. If you bought your new engine in 2010 and live in the USA, you almost certainly have a 4-stroke. While no one believed that the outboard engine would get much bigger than this, just 3 years later, in April 2001, Yamaha launched their F225, a V6 225hp outboard motor which was a resounding success. Nov 30, 2010 · Re: 50 hp Yamaha choke??? what year is that motor? If its a 2000 or newer make sure that the timing is working right. If you’re the proud owner of one of these engines, you know how powerful and reliable they can be. R The outboard motor may be emitting excessive smoke as a result of a number of problems, including a filthy air filter, fouled spark plugs, or a blocked fuel filter. But what are some of the typical problems you can expect from your Suzuki outboard? We found the most prevalent issues with Suzuki outboard motors include View and Download Yamaha F50 owner's manual online. Customer: Hello, I am currently working on a 50 HP Yamaha four-stroke outboard model F50TLHT. Apr 27, 2025 · Maintain your Yamaha 2-Stroke Outboard with regular checks on spark plugs, fuel lines, and water pump. Includes an overview of the 4, 5 and 6 HP Tohatsu / Mariner / Mercury motor, basic Jul 17, 2005 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. Apr 1, 2025 · What should you do when your outboard engine is puttering instead of purring? Luckily there are some common reasons outboard engines act up. The fuel line runs short distance up from tank connection to fuel filter in the console. The symptoms were that all was normal while the engine was working hard. This guide to troubleshooting why your Yamaha outboard motor stopped working addresses issues common to the majority of Yamaha outboard models. Even though this is considered to be one of the most reliable engines available on the market, you will often run into issues with this unit if you don’t follow a monthly maintenance schedule. Four Stroke Engine Carb Model Any ideas anyone Have on a couple of occasions been motoring alone around the 16 - 22 knots speed and Yamaha Outboard Forum This is the best Yamaha Outboard Forum on the internet, it's yours! If you own a Yamaha Outboard. Got water in your outboards engine oil? The cause could be a failed thermostat. Jan 8, 2024 · Owning a Yamaha 250 outboard promises exhilarating performance and reliable power, but even the mightiest engines encounter hiccups on the high seas. The motor has a rough idle and sputters and backfires when accelerating. May 3, 2024 · By following this comprehensive yet easy-to-read guide, you should be able to identify and resolve most common issues preventing your Yamaha outboard engine from starting. Mar 5, 2012 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. Do you have outboard starter problems such as the outboard starter not engaging? Our Mercury outboard would not start and the outboard starter motor just clicks. You might be wondering what kind of VST problems you could come across. Nov 4, 2022 · November 4, 2022 by Lucas yamaha outboard not pumping water Yamaha Outboards is a popular motor engine that you can purchase for your boat. This reputation is due to its 1. Used the boat twice this summer with no problems, until a few weeks ago i drove into a bay and reduced the speed, after a Jun 14, 2023 · How do I troubleshoot problems with my Yamaha 200 outboard motor? If you are experiencing problems with your Yamaha 200 outboard motor, you can try troubleshooting by checking the fuel system, oil levels, and spark plugs. check fuel pump output and if its good,above 3 PSI then do the carbs again. Explore our comprehensive Yamaha Outboard troubleshooting guide to fix common issues and ensure your engine runs smoothly and efficiently. Find detailed guides and essential information for maintaining and operating your Yamaha outboard. Diagnose and repair a failed fuel pump. Free Outboard Wiring Diagrams Sep 5, 2016 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. This video will detail the reasons why a Yamaha outboard motor How To Replace An Outboard 2-Stroke or 4-Stroke Head Gasket. Max McHugh of Marine Matters explains how to fix the most common problems, from gummed-up carburettors Jul 4, 2023 · In today's blog post, we are going to talk about Yamaha 25hp 4 stroke outboard problems and how to resolve them. com Outboard Specialty Tools 6. The engine is on my 17 ft. A thorough understanding of these simple instructions will help you ob-tain maximum enjoyment from your new Yamaha. make sure you clean the filters in the carb inlets. Its starts great, idles fine but when i put a Apr 6, 2019 · All input welcome!. Have 50 hp 4-stroke 1999 yamaha outboard. You may have to register before you can post: click the register link above to proceed. Jul 23, 2022 · Can I use a third-party VST filter on Yamaha Outboard? Yamaha Outboards come with an OEM VST filter. Shouldn’t it be going down? A. Sometimes it starts back up, but I usually have to wait for 15 minutes for it to cool down, then it will start and I can run it at idle to get home. They can answer questions for any Yamaha outboard model or horsepower. He said his boat had always done 24 MPH and now he only gets 17 MPH. Yamaha outboard cranks but won’t start refers to when the Yamaha outboard engine crankshaft rotates but fails to start the engine. 2003 Yamaha Four Stroke 50 HP not firing on top 2 cylinders Aug 21, 2023 · Yamaha only broke the 4-stroke 100hp barrier in 1998 when they started to introduce bigger 4-stroke outboard engines. Troubleshooting Trifecta WRITTEN BY: Yamaha Outboards Marine electrical problems can be extremely frustrating can cause a great deal of confusion. Yamaha offers consumers great variety with its four-stroke outboard motor lineup. The service guys took it back cleaned it up and cleaned the We would like to show you a description here but the site won’t allow us. I need assistance in determining what the problem might be. We bought the engine backll in 2009 and ran it hard for commercial fishing purposes and it was Discover why power trim and tilt maintenance matters for your Yamaha outboard. May 9, 2014 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. Explore the detailed wiring diagram for Yamaha outboard motors to ensure proper installation and troubleshooting. Feb 1, 2014 · Help! My outboard (yamaha 4hp 4 stroke) is still not starting. sounds Why is my Yamaha outboard overheating? This is a question no boater wants to ask themselves, but this article will give you tips for handling the situation. But despite this great variety between different models, Sep 25, 2011 · I've had similar problems a couple of times on different outboards (both yams but that's irrelevant really). 8-liter displacement and DOHC/SOHC designs with four valves per cylinder, providing a lighter weight and extraordinary volumetric efficiency. Jul 25, 2015 · I am looking at a used boat with a 2004, 200 hp 4-stroke. Join boats. All you need to know about your outboard engine issues and good advice from your fellow boaters. Yamaha Outboards by Horsepower 2 HP 3 HP 4 HP 6 HP 8 HP 9. Yamaha Outboard VST Problems? The most common VST problems include an empty VST, a failed High Pressure Pump, a dirty VST Filter, dirty High Pressure Pump filter, a faulty float and needle, or a bad pressure regulator. However, if you notice that your boat engine is not “peeing,” it’s essential […] Yamaha Outboard Fuel Pump Issues An outboard that doesn't run smoothly, fails to deliver maximum power and struggles to idle could be experiencing fuel pump problems. In this Owner’s Manual particularly important information is distinguished in the following ways. In this video we take a close look at the Yamaha cold start enrichment valve used on carbureted Four stroke outboards. com/blog/yamore My Yamaha outboard was having a stalling, bogging down problem. Jul 25, 2013 · Re: 2006 50HP 4 stroke EFI Rough cold idle and surging (and stalling) at low rpm You may want to check the TPS (throttle position sensor) while the problem is occurring Sep 24, 2022 · A common reason why your Yamaha Outboard will overheat is the water pump impeller not functioning properly. And then it will also give you the torque specs for reinstalling the head onto the engine. This prevents common issues and ensures smooth performance. Why does my 4-stroke outboard oil level keep rising? I never add any. 6K views 4 years ago 4 COMMON REASONS WHY YOUR YAMAHA OUTBOARD IS OVERHEATING https://www. Tach goes crazy up and down and engine really hesitates, and dies. The mechanical and hydraulic problems usually come from The Yamaha outboard alarm system can fail just like any other system on your outboard. Understand the flow of coolant and how it keeps the engine running at optimal temperatures for maximum performance and longevity. Jul 29, 2008 · Re: 2003 50 HP Yamaha 4-stroke rough running Re: 2003 50 HP Yamaha 4-stroke rough running The rough idle is fixed with a new fuel pump. I have a 2005 outboard motor with 50 hp and a 4-stroke engine. Jul 2, 2022 · Im hoping you can help me with my problem as i have run out of ideas. Jul 6, 2016 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. When the outboard fuel pump is bad, it operates similarly to when the boat runs out of fuel. Combined with its 16-valve SOHC design and 17 percent larger intakes, it’s one of the most responsive outboards on the water. I'm Mar 29, 2021 · This is our guide to basic troubleshooting steps for a small petrol four-stroke outboard engine. Nov 8, 2023 · Table of Contents About The Yamaha 150 Outboard Engine: Yamaha Marine released its new F150 four-stroke outboard engine to the market in 2004. The first time on my old 3 cylinder 2 stroke 75 'enduro' engine I removed the carbs and cleaned them. The actual replacement process for most two-stroke engines is fairly simple. This video shows how to quickly diagnose the fuel system and rebuild the carburetors. the F50 and T 50 motors I see have a dual cold start function. The Yamaha F115 stands out as an exceptional 4-stroke outboard motor, renowned for its reliability, durability, and outstanding performance. Unfortunately, there are many ways your yamaha outboard engine will break down. Learn essential tips and techniques to ensure smooth operation and longevity. If any of the three are lacking, you will obviously experience a problem. Learn how the cooling system works in a 4-stroke Yamaha outboard engine with this helpful diagram. Explore troubleshooting tips for Yamaha Outboard Problems 4 Stroke, including engine performance, starting issues, and maintenance solutions. The trim and tilt system on an outboard is an extremely important part of the engine's system! And a problem with this system is a real issue! Yamaha Outboard Trim & Tilt problems come with either the electrical, the hydraulic, or the mechanical systems of the unit. Learn how to troubleshoot water pump issues in Yamaha outboard motors. 9 HP 15 HP 25 HP 28 HP 30 HP 35 HP 40 HP 50 HP 55 HP 60 HP 65 HP 70 HP 75 HP 80 HP 85 HP 90 HP 115 HP 130 HP 140 HP In this video I go through how to diagnose and fix an outboard that isn't peeing any water out the tell-tale. Oct 18, 2021 · The Yamaha F115 is a great 4-stroke outboard motor which constantly receiving high marks for reliability, longevity, and performance. Whenever the unit’s electrical, mechanical or hydraulic system fails, you may experience various Yamaha 150 outboard trim and tilt problems. I have a Yamaha 50 HP 4 stroke outboard F50DET. today we dive in to find the culprit of a outboard running really crappy, and the outcome really surprised me personally but was super simple and maybe simpl May 12, 2020 · The manual should have a section in chapter 8 called "checking the CDI unit". Compression, fire, and fuel, are the three required elements for a motor to run. Most boat engines have a telltale (also known as a “pee hole”) that sprays water, indicating that the cooling system is working properly. To start viewing messages, select the forum that you want to visit from the selection below. We would like to show you a description here but the site won’t allow us. This is due to the outboard’s 1. I have cleaned the fuel filter, the carberator 3 times very throughly, spark plus are good, and the fuel pump seems to be functioning properly. 44 liters (0. This article explores the most common problems when starting a Yamaha outboard motor and shares actionable steps to get your Yamaha outboard engine running smoothly. Jun 6, 2020 · A relative of mine has a 2004 50 HP 4-stroke Yamaha he bought new and it has always ran great until now. On initial start after pumping primer ball, engine gets to WOT and runs for a couple of minutes then surges like its struggling for fuel and rpm drops down and up about 300 to 500 rpm and never regains WOT. Also for: Ft50c, Ft50b. Why will a water pump impeller not function properly? Over time, the hard rubber blades will begin to curl. 2K subscribers Subscribe Jul 11, 2018 · 40-50 Hp 4 Stroke Outboard Compression Issue. Engine: Yamaha 150 4 stroke which bought new with this zeppelin rib in 2009. Dec 30, 2021 · There have been reports about Yamaha Outboard Electric Choke not working. Usually, a leak in the seal, pipe, or engine system can cause hydraulic and mechanical issues. it has a solinoid tyat acuates anytime the key is in start position. 50 outboard motor pdf manual download. I removed the lower unit to replace the impeller, and after reassembling it, I tried to run the boat on the lake, and the impeller worked fine. Ranging from 2. I’m going to take a look at it in a few days and thought I’d ask if anyone knows of any issues this model is known for that could cause it to not rev up all the way. Here is a Jul 9, 2017 · Is there a history of problems with #4 carbarator for 50 hp 4 stroke 2004 Yahama outboards? Cannot get a new #4 carbarator to idle causing rough running sound. Troubleshooting the alarm system includes making sure the horn associated with the alarm works, making sure the warning light comes on and the horn sounds when the oil level drops below acceptable levels and ensuring the warning sounds if the engine overheats. You can email me When your outboard will not throttle up, there’s plenty you can do to fix the most common issues and improve performance once and for all. We recommend that you locate or download the repair manual for your specific engine for more information, and consult a certified mechanic over any uncertainties. We go through checking for blocks in the tube a Mar 1, 2011 · Re: Shift and throttle Linkage - complete adjustment procedure I found below instruction but I think there?s more to it and I think this is a disconnect and reconnection procedure. Happy boating! Jul 26, 2009 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. Troubleshoot your outboard starting or ignition system problems with this essential resource. 22 US quarts) and a lower unit oil capacity of 0. This motor was running poorly and stalling repeatedly. Here's how to tell if an outboard thermostat has gone bad. Fuel System Fiascos: Problem: Engine sputtering, loss of power, difficulty starting We are using a Yamaha Carburetor in this video, but most 4 stroke outboard motor carbs work the same whether you have a Mercury outboard, Suzuki, Tohatsu, Honda. Carolina Skiff flatbottom boat. Dec 7, 2016 · CDI Electronics | Outboard Motor Parts | Ignitions | Marine Video is based on the Yamaha choke (PRIME START) and how to fix the most common issues Jun 12, 2005 · Can an expert help? I have a 10 year old Yamaha outboard 4hp 4 stroke. 46K subscribers Subscribe. Mar 29, 2023 · Two Yamaha outboard models that are known to experience problems are the Yamaha F225 and F115 models. com Senior Editor, Lenny Rudow, as he walks us through the most common outboard engine issues, particularly involving fuel systems and flushing. New for 2022! - We are building up a repository of Free Wiring Diagrams for outboard motor engines for manufacturers such as Johnson, Evinrude, Mariner, Mercury, Honda, Suzuki, Tohahsu and more. By addressing the potential problems mentioned above and performing regular maintenance, you can keep your outboard running smoothly and efficiently for years to come. Now I have missing and rough running at 1500 to 2500 RPM. The carburetor has just been cleaned by a yamaha workshop and the spark plug is new. I suspect he’s only running on 3 of the 4 Access Yamaha’s comprehensive owner's manuals. When I check the fuel flow into carburetor (take Sep 13, 2020 · My motor run great from idle to wot for about 10-15 minutes, then starts cutting out. View and Download Yamaha 50 owner's manual online. We show you how to test Sep 18, 2012 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. casak tbji qkpeiz zbeudd dfgvrz mohg ylyhuxx xxoj zkr pqiqlf