symptoms of outboard mounted too high. Replace a prop on an outboard or stern drive and forget to put the thrust bearing back on first. controls mounted on the steering wheel can help the driver to control the boat. If it is too high, you will be losing water pressure. Just like when mounting too low, higher outboard can still result in porpoising. Thread: Symptoms of an outboard mounted too high?. It'll be frustrating to empty and then refill the gas before and after the boat trip if going semi-regularly. Re: Transom Too High for Outboard. We don't recommend the use of these types of oil pumps. It consists of a powerful DC (Direct Current) electric motor and the starter solenoid that is attached to the motor (see the picture). The rooster tail should be long and low—behind the boat 20 to 40 feet and no higher than the outboard cowl. Here are a few symptoms of an outboard being mounted too high: Unleveled Plane When you want to plane out the boat, the prop blows out. How high should my outboard be mounted? of symptoms, but you'll usually find at least one of these symptoms if your motor is too low. But this will tilt the Propeller. Set the multi-meter to the 20 k ohms setting. Causes and Symptoms of Bad Engine Grounds. ) Thought I might raise it up one more hole, if some one has. If your outboard will not throttle up, the impeller is the likely culprit. Perhaps the spinner blades are not spinning. With the hype of high power electric outboard motors, it seems that the electric outboard motors now offer a viable alternative to combustion motors, making it a great option for many boats including kayaks, dinghies, canoe, inflatables, and sailboats. Bad Voltage Regulator Symptoms. Transom Too High for Outboard. An outboard that is mounted too low will limit your boat’s optimal operation. That is the first rough approximation. This means that with lower output stators, the charge output through the regulator/rectifier at idle or low rpm is very minimal. Testing Your PCV Valve, For Vacuum. Sounds more like the engine is mounted too high. There is no poppet valve, just a thermostat that holds water in the block when it is closed. What You Need to Know About the Mercury Verado. When the outboard kicks up excessive amounts of water, you are looking at a tell-tale symptom of a motor that's mounted too low. Sometimes porpoising is caused by too much bow lift and dropping the motor will give it more bite and make it worse. Recommend bringing it up two holes and getting a Merc 4 blade Offshore prop, *IF* you can turn at least 17" pitch. Symptoms of a motor being mounted too high. Its not fuel-injected,,, computers don't allow leaks ! Like the doctor says, FIRST you tell me the symptoms, THEN, I'll tell you the treatment. You shouldn't be getting fuel out of the carb when priming it. When it is trimmed all the way down, the bottom of the anti-ventilation plate should be about 1" above the keel per feet . Symptoms may include headaches, vomiting, tiredness, confusion, trouble. What is a Good Size Motor for a Pontoon. The starter motor is an electric motor that turns over or "cranks" the engine to start. A jack plate is used to raise and lower the outboard engine on a boat to achieve optimum performance. With outboard and gas and gear approx 2,000 lbs (which is probably high) it has a max beam of 7' 8" It is a plywood fiberglass hull. The main cause for distributor gear wear is the use of high volume or high-pressure oil pumps. With an outboard, they mount to a bracket on the back. Rectifier – Device mounted on an outboard engine. What's wrong with my Mariner 4 2 stroke OB. Maybe your engine is sputtering. The propeller centerline depth below the plane surface is 3 1/2" paralell to the plane pad surface. The cage should not move inward. Invented in the early years of the 20th century, outboards brought the same freedom to small boats that gasoline engines brought to cars. Once on the lift (and out of the water), the muffs and run it another 10 minutes or so. Read the measurement on the transom's bottom. If your pump is making a noise that sounds like rock are tumbling inside, then the pump is probably cavitating. Replacing a Head Gasket on an Outboard Motor - Video Transcript. But if the motor is mounted too low, the anti-ventilation (cavitation) plate will drag in the water when the boat is on a plane and can cause excessive spray around the motor and transom. Start the engine and let it warm up. kingfish: posted 10-06-2005 06:24 PM ET (US). Water pushes up to the outboard cowling. The symptoms of a motor too high are cavitating on the hole shot , otherwise if the boat has a good hole shot in my opinion you can't get the motor too high. It all starts by matching your tiller problem with the list of symptoms on our website. As long as you are not losing water/coolant too quickly, and the vehicle is able to maintain idle for a full 50 minutes, without overheating or stalling out, you would be a great candidate for the BlueDevil Head Gasket Sealer. You can either make highly compressed air and fuel burn properly or you can't. This reduces the power of the propeller, especially its push on water. symptoms of cml getting worse. If the bow porpoises and the engine throws a high rooster tail then you trimmed too high. incorrect idle speed: an iac valve that sticks in the closed position will create an idle speed that's too low. Most mechanical fuel pumps have a weep hole on the bottom of the unit. Go to chivers or the mob in Midland and you will see they always mount jap or USA based engines up. Using your torque wrench with a spark plug socket, carefully remove each plug. Outboard Squeeze Bulb Troubleshooting. Sometimes low fuel pressure could be the culprit. While some of these symptoms could also be signs of other engine issues, watch out for these symptoms of bad TPS, or throttle position sensor. Signs of a Bad Diaphragm in a Fuel Pump. The mounting height of an outboard motor can impact the speed and handling characteristics of the boat. 4) Bayliner Boats Most Affected With Problems. Outboard mounted too low?. For instance, if you're having trouble getting to the highest speed of your watercraft, chances are your PWC's motor is mounted too low. 8-liter displacement and DOHC/SOHC designs with four valves per cylinder, providing a lighter weight and extraordinary volumetric efficiency. That's a very brief, basic accounting of symptoms, but you'll usually find at least one of these symptoms if your motor is too low. Outboard Bad Symptoms Rectifier. ”Greenwood says that moving the outboard up one mounting hole – or 0. A fuel pump with a defective diaphragm may be torn or have developed holes from wear. Most Mercury Outboard Stators perform two important functions 1. The mount is the alloy height adjustable type with a DIY stainless bracket made to compensate for the angle of the transom. Fuel System Cavitation: Definition, Causes, Symptoms & Cures. Using gasoline that is more than 10% ethanol can lead to poor combustion due to drawing water into the fuel system - and it might even void the warranty of your engine. Signs It's Time to Replace Your Boat Propeller. It is difficult to determine whether or not you are able to run at your highest potential speed unless you are very familiar with your boat and previously had an outboard mounted at the appropriate height. There are many symptoms of a failed throttle position sensor. Starter motor, starting system: how it works, problems, testing. A current flows throw the coil winding and produces an electromagnetic field. Improper break in can lead to a motor that makes oil all the time. Why Do Boats Porpoise? All Of The Reasons You Need To Know. If you are having a porpoising problem you either have too much weight in the back of the boat or not enough HP. The other culprit could be trimming the engine too high based on speed/load/conditions or the engine is mounted too high on the transom and it's ventilating. The outboard should be mounted high enough on the transom so that the exhaust relief hole will stay at least 1 in. The CDC says these side effects can last for weeks or. Symptoms of an Outboard mounted too High Less Dragging. POWER TILT TRIM Temporary "Down" Lockup. Typical problems include hard starting, rough running, a need to adjust the carburetor during use to keep the engine from stalling, a need to rev the engine to keep…. Improper cable adjustment and slow acceleration response. som or trimming the engine too high whilst underway can also cause lack of water to the engine and . Electric Fuel Pump 1998-2001 2. As the vacuum pulls the air down through the carburetor, the carburetor directs the fuel from the fuel bowl. Common gearbox problems and diagnosis. Types of Engine Bearing Damage. A faulty or failing stator can cause one or more symptoms. The standard shaft length for most outboard engines less than 125 horsepower is 20 inches. Start the engine and look at the tachometer on the dashboard. If the motor becomes so bogged down, you will see water make its way to the cowling under normal circumstances. If you raise the engine one or two holes you may improve hole shot and top end speed. Its still too low isn't it?. Like a high pulse is bad for the heart, a high RPM rate is not good for the car engine. This solution completely bypasses the stator by using a 12 volt battery to power the ignition system. Engines were not made to "rest" on the top of the transom; that's simply the lowest point they can go. How to Mount an Outboard Motor Properly. Symptoms of Outboard Mounted Too Low or Too High (Explained) Last updated on February 17, 2022 Leave a Comment Summer is the best time to go boating with family, and we cannot deny that there are a lot of freshmen purchasing their first boats. Next, hold engine speed steady at about 2500 rpm for 15 seconds and read the gauge. The voltage was too high 15volt. Trying to figure out if my outboard is mounted too high. For high-performance models, use 91 octane. Thermostat Symptoms Outboard. If the drain seals are in the back of the lower unit. Common Problems With Crestliner Boats (With Examples). A reverse transom that sits too high can impact the propellers of the motor and motor bracket. After fixed the mechanic mounted it again and the car worked for 20 days more or less. Don't change the wires if they're OE (Original Equipment). Meanwhile, an injector that is leaking internally or stuck open will result in an engine that runs rich (too much fuel). My outboard is about a 2010 so it's definitely 95 and newer. There are several causes and symptoms of a throttle control cable that is wearing out and may need to be replaced soon. Crestliner transferred ownership in 2004, causing a few problems with warranties of boats purchased before the company changed hands. Engine height and props play the most in how the boat will perform. When you want to plane out the boat, the prop blows out. It doesn't take much for that tab to be moved, which immediately changes the level of fuel in the float bowl. Here are the best and quickest ways to troubleshoot and resolve this issue! What Are The Symptoms of An Air Leak? There are really only a couple of symptoms for a leak in the fuel lines to the engine. I have an old Black Max V6 outboard motor. Boat Won't Plane Out? Hear's Why & Some Easy Ways To Plane It. Marine Spark Plugs – Everything You Need to Know. PDF Bearing damage and failure analysis. If your boat feels like it is slowing down, and you know you are not running out of gas, you could be wondering what is going on. Symptoms of this operating condition may include one or more of the following:. The most common failure of high-flow fuel systems is cavitation, or "vapor-lock. When researching propeller sizes, you’ll notice two numbers associated with each one. A water flow problem is indicated if the water temperature is excessively high. Here is a brief outline on mounting an outboard motor correctly. It was mainly developed to conquer the long charging times which are connected through high inductance coils employed for IDI (inductive discharge ignition) systems to make the. The higher you get with your motor the less leverage you have. I have a Mercury (Yamaha) outboard 2002,4st. Diagnosing Outboard Motor Problems. )Excessive spray: If your outboard is kicking up an inordinate amount of water, it's often a tell-tale sign that it's mounted too low. Backfiring of the engine is a symptom of a bad coil pack. Raising an outboard higher on the transom can reduce drag and raise I see the outboard motor is mounted too low,” says David Greenwood, . If you notice any undesirable operating symptoms while,using a gasoline that contains alcohol, or one that you think. Your outboard stator is the "powerhouse" of your outboards ignition system. One sender is for the Trim Gauge and the other sender is for the Trim Limit. 7 Reasons Your Outboard Will Not Throttle Up and How To Fix. Less motor in the water is less drag. The engine won't turn over and your car won't start. If a motor is running too low on RPM, then the boat . Sometimes, the hub only spins when the engine revs above a certain RPM, causing many boaters to wonder if they have spun a hub, are experiencing ventilation or cavitation, or have some kind of gear or power issue with their outboard. Symptoms of a Bad MAP Sensor, and How to Test One. ” The combination of too much heat or too much inlet restriction can create this operating condition, where the liquid fuel literally boils inside the fuel pump assembly. The boat planes fine because I'm running negative wedges, but at anything less than 55-60 mph, it popoises, and the ride is terrible. 5 Problems a Bad Engine Mount Will Cause. Battery was low enough I had to jump across from a trolling motor battery. If you do run these types of oil pumps, you can expect short life of the cam and distributor gears, especially for low speed running, in street type applications. How to Troubleshoot a Mercury Outboard Engine. Or, it could be ventilating because the outdrive or outboard motor is mounted too high on the transom. If you have a two-stroke outboard motor, you must add oil to the fuel to lubricate the engine. Starter Solenoid: The Definitive Guide To Solve All. As the outboard is higher, it gets closer to the surface. Lack of raw water flow and lack of fresh water can cause water pump failure. And this is most likely caused by the ethanol content of the gas. It's easy to do, and most times just involves a good visual and a fluid level inspection. Today's video proudly sponsored by MarineEngine com is going to be about out this Yamaha 20 horsepower because it's got a few issues.