Running Outboard Without Thermostat

Honda Power Equipment Outboard Motor Owner's Manual. Outboard Motor BF135A Outboard Motor pdf manual download. Valve train longevity also increased. Apply a little oil on the o ring when refitting. If it is too large it will be heavy and will consume more fuel and one too small will be unable to power the tender at a reasonable speed. I'm about to dewinterize, and I'd like to start the engine on my driveway. If you can duplicate the concern, then you can diagnose the concern. Evinrude/Johnson outboard lower units. If the boat has been used without getting updated in salt water you may want to replace the thermostats, impeller and poppet valve, and know all is. 2 HP outboard made in 1984 does not have a thermostat. There’s not much you can do if your engine has bad compression. Appliance manuals and free pdf instructions. This 275hp manual also contains advance troubleshooting to help diagnose and pinpoint any mechanical problem. Yamaha's F250 outboard continues to evolve with a retro variation that foregoes drive by wire for a mechanical control box and is intended for re-powering. Remember if the motor hasn't been run. How this vital engine component works to protect your boat. the fuel bulb. An engine should never be operated without a thermostat, even in extreme temperatures; A thermostat will fail "closed" if the wax element has been damaged by overheating (from loss of coolant, a defective electric cooling fan or fan clutch) or corrosion. You should only see voltage on this wire while the starter solenoid is engaged. If we were going to buy a new one, I found the original Yamaha parts available at www. Only for use when engine is not running. Welcome to the Internet's premier site for boat motors! This site is part of iboats. I am not a mechanic but hope my experience with this helps other members. Major bummer! First, make sure you're safe — power losses can be dangerous if there are heavy seas or bad weather. So does this fresh water get to the powerhead region or does it stay in the lower unit area? Is there a yamaha diagram on this mechanism? Yamaha’s Answer: The Boater’s Log – Volume 1, No. One thing commonly known to most boaters, but not all newbies is that most outboard motors are water cooled (either artificially, or on a boat in a lake) and the water is pumped up into the powerhead to cool it. Maybe you have electrolysis going on between the metal in the thermostat and the aluminum in the outboard. NOTICE Running the engine without good water circulation can cause overheating and water pump damage. I checked the water pump impeller and it is fine. They provide voltage to your switchbox or CDM's. After all, it is a device, which must be taken care of and replaced after aspecific time. There’s not much you can do if your engine has bad compression. Nissan Outboard Parts FAQs on parts catalogs, parts selection, receiving online parts quote and secure online ordering. your source for Outboard Motor Parts. - Start the motor and let it run at a normal idle speed for about 5 minutes. There are plenty of outboard re-powers and other applications where drive-by-wire technology is not appropriate. You should only see voltage on this wire while the starter solenoid is engaged. There's a little twist-knob under the carb which makes doing that fairly easy. The thermostat is no good and stuck open the 3mm that it should be at when running hot. Johnson Outboard Parts Forum; If this is your first visit, be sure to check out the FAQ by clicking the link above. Top of Page. F250 LF250 Outboard Motor pdf manual download. As Northwestern Ontario’s largest Recreational Vehicle & Boat dealer, Smith’s RV Centre is your first choice for everything RV & Marine. MY question is: Can I run the engine without a thermostat without damage? My thought is it might run too cool and rough until the engine warms, but the passive water temp is about 84 now anyway. After about three hours it was like new, without having the pull. 4) Check the Thermostat Although it is rare for the thermostat on an outboard motor to fail, it does occasionally happen. Fishing motors prior to 1955 commonly used a 16:1 ratio. - $350 (Saugerties) 1996 Suzuki DT40 H. As you can see, there are several critical steps involved with the troubleshooting of outboard ignition systems. Where do I find maintenance and lubrication information for my engine?. any suggestions???. Honda Power Equipment Outboard Motor Owner's Manual. Isn't the water ports separate from any place that has fuel, oil, or compression? I have hooked up a hose without the engine running every time I run in my mossy pond to clean out the water ports (yes I take the thermostat out so it doesn't build up pressure), and I have never flooded my engines. Idea's??? I don't have a temp guage or a pressure guage. There are plenty of outboard re-powers and other applications where drive-by-wire technology is not appropriate. Hi, I have a 1987 Honda 8 outboard, and I have a feeling the thermostat has stuck. change impellor but it was in good shap removed the thermostat and had a large amount of water comming out of it. Sometimes it will be around 1/3, but usually its below C even when I've been running for quite a while. Without a pump of some kind, water couldn’t flow up to the engine. 3214 Models without insulator. We ordered the Suzuki 17670-93962 listed in the parts manual and have a question as to how it is installed. This will give you access to the outboard thermostat as well as the pressure relief valve. I am getting a stammer when taking off just like it is running cold. “Without the motor running, the thermostats remain closed. 400/800/Stringer and Cobra exploded view drawings. The boat thermostat is an undervalued part of every craft. Running without a thermostat causes overheat, the exact opposite of what most believe is happening. They are both 96 Polaris 700's. How to Maintain an Outboard Motor. Maybe you have electrolysis going on between the metal in the thermostat and the aluminum in the outboard. Most outboard maintenance schedules call for inspection of the impeller every 100 hours, or once a year. The thermostat prevents the water from starting to cool the motor too early in that process, to increase engine performance and reduce emissions. Tohatsu outboards were originally developed for commercial Japanese fishermen who needed a motor that could run for days on end, no matter what the weather. T40jbml 40hp 2-stroke Long Shaft Outboad Engine / Boat Motor / Outboard Motor Compatible For Yamaha E40j , Find Complete Details about T40jbml 40hp 2-stroke Long Shaft Outboad Engine / Boat Motor / Outboard Motor Compatible For Yamaha E40j,Outboard Motor,2 Stroke Outboard Motor,40hp Boat Motor from Boat Engines Supplier or Manufacturer-Suzhou Parsun Power Machine Co. I replaced my thermostat last weekend and it seems now that the impeller (new one month ago) is not pushing as much water through. My 40 hp honda outboard isn't putting out any water from the teltale. Can I Run Outboard without Water Pump for a Few Minutes ? I understand that water is needed to cool the engine and running it without water will cause permanent damage. A new one is £40! Does it really need changing? It will be my auxiliary used for fun/testing it about 6 times a year. Are you looking for good advice about your Mercury outboard engine problems and issues. Once removed, push and twist the thermostat and it all comes apart (easy refit). This section will deal basically with getting a motor running, & not fine tuning. 4 Steps To Take If Your Outboard Quits. Let me know what you find, I'll keep digging as well. If an outboard is operated without a thermostat installed, it will surely suffer in some way from poor performance all the way to causing internal damage. encountered a similar experience with their own boats they suggested looking at the thermostat to the motor. See the chart below to match the Sierra kit to the corresponding Yamaha part number and outboard engine application. the problem is that between 3/4 throttle and full throttle we seem 2 lose power and a rattling noise is created. With the outboard now ordered I just had to wait on it’s arrival. Basic troubleshooting for YAMAHA outboard motors (part I) A problem in the fuel, compression, or ignition systems can cause poor starting, loss of power, or other problems. I recently replaced the thermostat after a similar problem. " When the engine has been sitting for a while and is not warm, the thermostat will be closed. Marineengineparts. Yamaha Outboard Motor Repair and flushed it with it running. Im sure someone will chime in and prove me wrong. Every 100 hours of use or at least once a year make sure to inspect the anodes, low pressure fuel filter, look at the spark plugs, as well as the thermostat. Loading Unsubscribe from TechTrixInfo? Thermostat broken? How to notice it fast way in Toyota Corolla - Duration: 4:28. There are lots of possible causes, but first and foremost I hope you weren't running the outboard dry. A 25HP outboard Yamaha, Suzuki, Johnson, Evinrude, Mercury, marine engine repair manual is a book of instructions, or handbook, for learning how to maintain, service and overhaul the 25HP outboard motor to factory specifications. Are you looking for good advice about your Mercury outboard engine problems and issues. Replacing an outboard thermostat can usually be done right on the engine. Outboards should be attached to work stands, or lowered to ground as soon as possible. At least I can get some higher rpms now,I assume from carb cleaning. Maintenance Free Timing Chain The DF40A / 50A / 60A are the only outboards in this outboard class to incorporate a timing chain. Suzuki Marine is truly unique. I have a 2 stroke outboard and the thermostat is jammed in the open position I know running without a stat keeps the motor too cool to burn off the two stroke oil. The fresh water coming from "ear muffs" will flush the motor's cooling system. The thermostat prevents the water from starting to cool the motor too early in that process, to increase engine performance and reduce emissions. Doesn't sound like a thermostat to me Any help would be greatly appreciated!!. Are you looking for good advice about your Mercury outboard engine problems and issues. This 275hp manual also contains advance troubleshooting to help diagnose and pinpoint any mechanical problem. Many outboards were designed without a thermostat. Thermostat is fine since it pees strong most of the time and doesn't overheat most of the time. You probably will get better cooling when running the outboard on your boat,not just because of the wind/air but better water flow than with a garden hose. The outboard motor serial number is marked on the label. 5 mm² cable, which is not only guided through the bilge but also installed in such a way that the cable won't break under vibration. Only for use when engine is not running. Tohatsu, Japan's oldest outboard manufacturer, has been producing high quality, durable outboard motors since 1956. That is normal and it confirms that the therm is opening OK. Johnson Outboard Parts Forum; If this is your first visit, be sure to check out the FAQ by clicking the link above. Carb is emptied (it's better to empty the bowl than to run it dry). This article will explain the basic steps you can take to extend the life. Additionally, an outboard engine affects both safety and performance. Just flip the T stat around, your probably correct that you put it in backwards. My 97-98 Mercury 40hp outboard won't start after it has warmed up. The engine can be vertical or tilted. Truly, i don't see how it could hurt running without one. Tohatsu outboard propellers, aluminum propellers, stainless steel propellers and propeller hardware kits. Many come with factory warranties and won't last long at these limited time blowout special prices. Like other regular maintenance, a fuel system service/VST cleaning is recommended at a regular interval (minimum of every five years) to help keep your engine running at optimal levels and extend the life of your outboard motor. com is an online retailer of Yamaha Outboard Parts and Yamaha Marine Parts. To start viewing messages, select the forum that you want to visit from the selection below. At 3/4 throotle it runs fine and i dont think it can really go any better than that so my thourghts are either the throttle may open up show more I have a 50 hp yamaha. The motor shouldn't be allowed to keep overheating, because permanent damage can occur. Reproduction in whole or in part without permission is prohibited. Get the best deal for Yamaha Boat Outboard Engines and Components without Warranty from the largest online selection at eBay. Running an outboard without a thermostat Boating Forum. If the budget allows for it, a replacement engine is also an option. How this vital engine component works to protect your boat. If I run it with the stat jammed in the open position,will the motor get warm enough eventually to burn the 2 stroke oil with the fuel. The water pump is the heart of the cooling system. My little 1. If the thermostat is too cold, (or you have no t-stat at all) the water pump might be running it through too fast for the radiator to have a chance to cool it all the way down, so the motor takes it back in hot, and it keeps going like this until it snowballs. Designed to deliver unsurpassed power and performance in an efficient, reliable package that's built to please, the new FourStroke V8 and V6 outboards are the smallest and lightest in their class. Finally, another nice touch is the potent 44-amp alternator which is nearly twice the output you'd expect to find on an outboard motor this size. See the chart below to match the Sierra kit to the corresponding Yamaha part number and outboard engine application. KMP Engine Running without thermostat - Engine & fuel engineering - Eng-Tips. ?? you'll really screw up a diesel running em' to cool, that motor of. Run a wire up the pipe that goes from the water pump housing, up the foot, toward the base of the engine. Truly, i don't see how it could hurt running without one. Find outboard engine specs, special financing, accessories, and Honda Outboard Motor dealers near you. How to replace thermostat on 9. It is important to keep your cooling system in good condition to maintain fuel efficiency and smooth engine idling. And once you've paid a tech to drop the gearcase and. It won't hurt to run the engine without it. A new one is £40! Does it really need changing? It will be my auxiliary used for fun/testing it about 6 times a year. Re: Problems with my Johnson outboard « Reply #8 on: June 06, 2011, 07:23:49 PM » YES PLEASE LET US KNOW AS IM HAVEING THE SAME PROBLEM. Cut down on energy costs and prevent damage to your furnace by addressing a gas furnace that's overactive or short cycling. it is so easy to sell an outboard in a box without a proper PDI, etc. Honda Power Equipment Outboard Motor Owner's Manual. With the outboard unpacked the first task was to add the oil. Gamefishin. I assume with it stuck open all that will happen is it will take a bit longer to warm up? Once up and running it will be fully open anyway. Is that right? If you have run your motor at low rpm without load in cold weather, it is completely normal that unburned black oil drips out of exhaust or drain holes in lower unit afterwards, almost every two-stroke I've had did that. Some do not. reserves the right, however, to discontinue or change specifications or design at any time without notice and without incurring any obligation whatever. 5 hp is lightweight and has a four point vibration absorption system to minimize vibration. Get A Warranty. This being the case, NEVER run the motor without it being supplied sufficient water in one manner or another. Most outboards manufactured before 1964 need 24:1. NOTE - Parsun outboards are water cooled. If an engine overheats by any condition, removing the thermostat does not improve it and makes some think running without thermostat causes overheat. Every 100 hours of use or at least once a year make sure to inspect the anodes, low pressure fuel filter, look at the spark plugs, as well as the thermostat. Engines without have restricted passages that slow the flow enough for the water to heat up. If the budget allows for it, a replacement engine is also an option. In fact, the mechanic took it out for me. My 40 hp honda outboard isn't putting out any water from the teltale. Get YouTube without the ads. the outboard motor if resold. The fresh water coming from “ear muffs” will flush the motor’s cooling system. You may have to register before you can post: click the register link above to proceed. the rpms pick up instantly when the bulb is pumped i can fairly confindently say that isnt coincidence as it happened 30+ times over the course of a week and about 50 -75 miles of running. Engine idle temperature should be checked at every scheduled service interval and thermostats replaced if needed. The proper way to check a thermostat is in what is basically a slow cooker than can be set for a specific temperature to see if the mechanism opens at the right temperature. Honda engines are developed, tested, and certified with petroleum based motor oils as a lubricant. Download a 25HP Yamaha, Suzuki, Evinrude, Mariner, Johnson, Mercury outboard repair manual in seconds. WORLD'S LARGEST OUTBOARD MOTOR SALE ! SPECIAL PROGRAM ENGINES. Loading Unsubscribe from TechTrixInfo? Thermostat broken? How to notice it fast way in Toyota Corolla - Duration: 4:28. Replacing an outboard thermostat can usually be done right on the engine. It’s electro-hydraulic, meaning an electric pump moves hydraulic fluid upon command from the operator, tilting the thrust angle out or in. The thermostat is no good and stuck open the 3mm that it should be at when running hot. The proper way to check a thermostat is in what is basically a slow cooker than can be set for a specific temperature to see if the mechanism opens at the right temperature. Suzuki 50 HP outboard motor keep overheating. The fresh water coming from “ear muffs” will flush the motor’s cooling system. They are cheap. If you have or can get an IR non-contact thermometer, Northern Tool had some for around $15, that will tell you what the water is doing. Also for: F250d, Lf250d, F250, Lf250. At least I can get some higher rpms now,I assume from carb cleaning. But my primary use for the outboard right now is to get my dinghy to the mooring ball where my sailboat is tied. I have a 90 hp outboard which is over heating in 5 mins when over half throttle. YAMAHA OUTBOARD SALES. Thousands of engine parts, lowest prices, OEM and Sierra engine part technicians available. Johnson Outboard Parts Forum; If this is your first visit, be sure to check out the FAQ by clicking the link above. Also, I would run 50:1 gas oil mixture as I bet the 100:1 is an EPA requirement to cut down on pollution. Engine idle temperature should be checked at every scheduled service interval and thermostats replaced if needed. NEW HONDA 135HP OUTBOARD MOTOR FOUR STROKE FOR SALE. The water pump impeller of any outboard motor needs to be serviced on a regular basis, a task that if overlooked can lead to big trouble. Also for: E-tec 90 hp, E-tec e75dplsum, E-tec e90dplsum, E-tec e90dpxsum, E-tec e90dslsum. Remove the prop, and run in neutral at no more than an idle speed for at least five minutes. If we were going to buy a new one, I found the original Yamaha parts available at www. at the regular rate to keep the carbs clean. They work best on 150 - 300 HP outboards with lightweight hulls which have natural bow lift. The days that I can get a good hour or two of run time (and not hard run time, around 3500rpms) become bad days as once I shut her off and fish for a bit the alarm won't shut off for more then 5 mins at a time. Apply a little oil on the o ring when refitting. Several times when I go to put it in gear it will die and it will take a few times before I can actually take off. My 97-98 Mercury 40hp outboard won't start after it has warmed up. The most common cold-weather outboard problem is something I call "duck hunter's freeze-up," which occurs when a hunter tilts up the outboard to keep it out of marsh muck or to pull a skiff ashore. I have a 2 stroke outboard and the thermostat is jammed in the open position I know running without a stat keeps the motor too cool to burn off the two stroke oil. I replaced my thermostat last weekend and it seems now that the impeller (new one month ago) is not pushing as much water through. There are also a few pieces or components that should be replaced within. Many outboards were designed without a thermostat. assessed on the Outboard Motors module (SPC 022C), as part of a Class 6 Master/Engineer course. When engine is shut down, tank vent is closed to keep moisture out of the tank. Maintaining Johnson/ Evinrude 9. It's a simple matter of removing the cylinder head cover. If you take the T stat out the motor will run colder than designed and will wear rapidly. 2005 Mercury Verado 275hp Outboard Engine Motor 25 Used. Did the same thing with my outboard motor, because of constant overheats from marsh grass. Also we noticed at high speed, there is no water coming out the telltale. What is Suzuki 4-Stroke Technology? Suzuki 4-Stroke Technology Four-stroke engines are clearly the dominate force in marine outboard power. Ok, so I poked around looking for the answer as to whether or not one could start the engine out of the water by JUST connecting a hose with running water to the flushing adaptor, without muffs. The label can be found on the bracket. They are cheap. F250 LF250 Outboard Motor pdf manual download. Marineengineparts. Running your outboard without an adequate source of cooling water will result in severe damage to the motor. Most Mercury Outboard Stators perform two important functions 1. They’ll be locked in to what they agreed to. Yamaha F250TXRD Parts Spotlight: Thermostat. running hard on gas without enough octane. Without a thermostat, the water is quickly going in and out, and not really being forced into "all corners" of the engine that need to be cooled. Also, I would run 50:1 gas oil mixture as I bet the 100:1 is an EPA requirement to cut down on pollution. What causes an air conditioning compressor to overheat? is a good indication that the engine thermostat is stuck and needs replacing. The opening allows warmer coolant in the engine to flow into the radiator. Veteran Posts: 105 (75. The water pump is the heart of the cooling system. The thermostat will run between $15 and $300, depending on the type and its features. outboards, F4/5/6 FourStroke Outboards (0R411837 and below) and 8/9. any suggestions???. If the tell-tale is streaming a steady stream of water--which it is--does that necessarily mean that all of the cooling components are working fine?. If the thermostat become inoperative and stuck in the "cold" mode, it can cause overheating in the outboard motor. it is so easy to sell an outboard in a box without a proper PDI, etc. This section will deal basically with getting a motor running, & not fine tuning. First, examine the clip on the outboard's fuel joint, where the fuel hose comes into the engine. Tohatsu outboard propellers, aluminum propellers, stainless steel propellers and propeller hardware kits. Can I Run My Outboard Without The Thermostat? Yes, you can temporarily run your outboard without the thermostat and not harm the engine. Second reason is the age of the impeller. Heres how I explain it. Unmatched in its class, the Tohatsu 9. Follow the tell-tale hose up to near the top of the block - the thermostat should be located under a cover the hose attaches to. If you have things in writing, it will be difficult for the company to charge you more later on. Notice: Undefined index: HTTP_REFERER in /home/baeletrica/www/f2d4yz/rmr. Refer to dealer service bulletins for other pertinent information concerning the products described in this. The fresh water coming from “ear muffs” will flush the motor’s cooling system. - Start the motor and let it run at a normal idle speed for about 5 minutes. The proper way to check a thermostat is in what is basically a slow cooker than can be set for a specific temperature to see if the mechanism opens at the right temperature. Cheers! EDIT: I guess I should be more specific: I've noted that the engine temp reads below C even after 30+ mins of driving. These outboards are compact 2-cylinder, SOHC engines that have been manufactured to comply with all US EPA 2006 & CARB 2008 (3-star rating) emission regulations. Get this INSTANT DOWNLOAD 275 horsepower Mercury, Mariner, Yamaha, Suzuki, Johnson and Evinrude outboard engine repair manual delivered straight to your computer in seconds and fix your problem now. at the regular rate to keep the carbs clean. the carbs and physically clean them. Not continued use Just trying to figure out if it may be getting too hot. The Evinrude E-Tec outboard motor is one of the most reliable models of outboard motors on the market. It might be stuck closed. Probably but not guaranteed. This article will explain the basic steps you can take to extend the life. ?? you'll really screw up a diesel running em' to cool, that motor of. A little TLC and preventive boat motor maintenance will help with safe boating and keep your motor running well for years to come. SPL outboard. just got back from running again and the alarm went off at 1500 rpm. Replacing an outboard thermostat can usually be done right on the engine. 9 that the previous owner had removed the thermostat. Sometimes it will be around 1/3, but usually its below C even when I've been running for quite a while. com is a wholly owned subsidiary of Lighthouse Marine Distributors, Inc 2019. NOTICE Running the engine without good water circulation can cause overheating and water pump damage. What is Suzuki 4-Stroke Technology? Suzuki 4-Stroke Technology Four-stroke engines are clearly the dominate force in marine outboard power. Loading Unsubscribe from TechTrixInfo? Thermostat broken? How to notice it fast way in Toyota Corolla - Duration: 4:28. Yamaha Outboard Motor Repair and flushed it with it running. How to video repair help for OMC sterndrives. Run this line back to the transom and connect it to a new dump fitting. I have a 90 hp outboard which is over heating in 5 mins when over half throttle. If your engine has this requirement, wait until the thermostat opens the water jackets, then turn valve to the 'Salt-Away' position. BUT when I go to restart the motor after I have been sitting in a fishing spot, it won't start. There is a reason why buying outboards on-line is less expensive than buying from your local dealer – customer service. While the engine is running the coolant temperature slowly rises, making the thermostat begin to open. 9 & 15 HP 4 Stroke 1994-2001 Product details. Its compact 60-degree V6 engine delivers brawn without the bulk. Installed new thermostat. Coleman 5 HP Outboard Motor ; Your Compact and Reliable Partner. Rated 5 out of 5 by DARRYL CHAUSSE from STANDARD FAN - TASTIC CEILING FAN VENT WITHOUT THERMOSTAT I purchase one of these from Camping World last year to replace the old small fan which is often standard in the bathroom of trailers, etc… so the wiring was already there. Maybe you have electrolysis going on between the metal in the thermostat and the aluminum in the outboard. How much does it cost cost to install a thermostat? In an era with lots of technical advancements, many people are choosing to upgrade their thermostats to newer models. Re: Can Outboard run without Thermostat? I don't run with a thermostat at all, and i live in maine, but i only have a little 18 horse. Your outboard's thermostat regulates its heating and cooling system by measuring the temperature of the motor, then activating heating and cooling systems as needed. If your outboard alarm system works, you should get a "fuel restriction" warning. If your boat is running a little slower than normal or worse yet, you can't even get that outboard to sputter to life anymore, you can get all the replacement parts and maintenance items you require at a fraction of retail pricing. Running without it likely means you'd be running rich, and get poor MPG, followed by mechanical issues. Parting out - 1996 Suzuki 40 H. If the outboard slows down when starved for fuel, speeds up as it tries to compensate, slows again and finally stops, a fuel problem is the likely culprit. Any thoughts?. The parts listed in this chart are intended for use on all Mercury V-115, V-135 & V-150 DFI OptiMax 2. Having or not a thermostat makes no difference at such point. Mechanic thinks corosion inside engine block, despite religious flushing after every use. I wanted to inspect the cylinder bore and pistons. There's a little twist-knob under the carb which makes doing that fairly easy. If your boat is running a little slower than normal or worse yet, you can't even get that outboard to sputter to life anymore, you can get all the replacement parts and maintenance items you require at a fraction of retail pricing. at the regular rate to keep the carbs clean. Sierra water pump repair kits repair and replace OEM water pump components on Yamaha outboard engines. Run this line back to the transom and connect it to a new dump fitting. Tub to run outboards? You can not get a big outboard up to temp and get the thermostat to open with ear muffs. In flat calm water we found that the faster of the 90hp outboards had maybe too much power for the boat and it got a bit ‘loose’. Boat engines run at max performance which generates a lot of heat. I read where some folks use a hose with muffs over the intakes, while others use the port. 9 Johnson outboard It is running hot but pumping water - Boating question Do Johnson TD 20 outboards have a thermostat and a fuel. Only been taken out about 10 times. You probably will get better cooling when running the outboard on your boat,not just because of the wind/air but better water flow than with a garden hose. Top of Page. Remove radiator cap and leave it off until the thermostat opens. apparently the is a cut off sw so the motor cuts back and runs bad. More specifically I have a 135hp V6 Mercury Blackmax outboard from approx 1985. Flush the outboard in the N position only. Running the engine without a water source for any length of time will cause damage, so you'll need to attach a hose to. OMC parts & Mercruiser outdrive online catalogs. If you take the T stat out the motor will run colder than designed and will wear rapidly. Honda Power Equipment Outboard Motor Owner's Manual. If your thermostat is sticking, replace it. If an outboard is operated without a thermostat installed, it will surely suffer in some way from poor performance all the way to causing internal damage. Second reason is the age of the impeller. Outboards should be attached to work stands, or lowered to ground as soon as possible. Find outboard engine specs, special financing, accessories, and Honda Outboard Motor dealers near you. Boat engines run at max performance which generates a lot of heat. I now run gumout all the time in my fuel. I have read my owners manual and many of the posts on how to use the flushing port, but I am still confused on use of the flushing port for running the outboard on the trailer. A licensed electrician can typically set one up in fewer than two hours at a rate of $65 - $85 per hour. This article will explain the basic steps you can take to extend the life. Cut down on energy costs and prevent damage to your furnace by addressing a gas furnace that's overactive or short cycling. I tried running a wire down the tube to clean it out but still no water. I have an overheating problem with my 175 hp Mercury outboard motor and don't know how to troubleshoot it. go and look for cracks in the bulb or around the hose, sounds like it could be sucking some air i am not an outboard mechanic or anything but i have had my share of fuel line problems. Still, this incredible website also delivers one lot's. Priced individually, sold @ multiples of 2 Quicksilver Branded, Clamshell Package Point of Sale Packaged. Without a thermostat, the water is quickly going in and out, and not really being forced into "all corners" of the engine that need to be cooled.