Boat Motor Overheated And Wont Start

The boat ran fine before i drained the water out of it in October and now it wont start. An improper spark plug gap could lead to engine knocking and poor performance. Spark Check: Your outboard needs spark at the spark plugs in order to start. The complaint is the engine cranks normally, but does not start. Now the motor is very difficult to start. turned it off and on several times but never could get it out of safe mode. According to the mechanic, there is no compression. A significantly reduced amount indicates a restriction in the mixing elbow or the muffler. It starts up and runs fine when cold, but after shutting it down, I can't restart it. com is a leading price comparison site that allows you shop online for the best deals and lowest prices. 4 engine start safety switch; 1997 v-8 mercruiser wont start how do i know if its the starter; 1998 3. It is slow rising but gradually it gets around 200. Duramax LLY Overheating: The GM Solution and Beyond My first experience towing with my 2005 LLY Duramax was a thrill – and a disappointment. what compression numbers should I have on each cylinder?. I have a 2001 seadoo, the motor revs high and then How fast does a mid 1990's seadoo speedster jet bo Hey i need a little help with my seadoo sea scoot What are the steps to putting a motor back togethe Why won't my 1996 Seadoo Xp and it won't start and Do you or your family own a boat, jetski, or seado. Fuel pressure is good, 58 psi and holds around 50 psi after key is turned off; It has spark as evidenced by putting an old spark plug into a spark plug wire and grounding the plug; After spraying a small amount of starting fluid into the air intake tube, the engine starts for just a moment, then dies. You can do even more damage to the engine by immediately shutting down an overheated engine! 2. Speed - Electric - motor wont start - Im having problems with my setup a leopard motor, 220A esc yesterday I was running boat made a big skip drive. 6 overheated on the freeway and shut itself down. Built-In Flushing Attachments. Sea-Doo Jet Boat Manuals. When replacing your Power Tilt and Trim Motor, first identify what type of Power Tilt and Trim Motor and Pump you have in your boat. ” We dealt primarily in small runabouts, which means mostly outboard, I/O, or inboard (including v-drive) boats under 25 feet. 5 hp outboard motor manual; 1993 johnson 3. Outboard Motor - Overheating Problem When at full throttle, after about a qtr mile, the motor stops spittin water and if I dont cut the throttle back the overheating alarm starts to sound. I went over a huge clump of floating seaweed a few weeks back and mine overheated (gauge maxed and alarm beeping). Then, yesterday, I took the boat out and it overheated again after about ten minutes of running. Boat engines are prone to overheating. Let sit for a day. "But if I see it was overheated for 8,000 seconds, that means the owner ran all the way home with the motor hot. I have a 1962 75 hp. Replacing it is an easy fix, as discussed below: HomeTips Pro Tip: Opening up the cabinet of a heat pump and working with electrical parts can be dangerous for the inexperienced. However, the source. Trying to start it immediately it would not run in gear or much above tick over. When I got back to the boat ramp after a nearly 20-minute ride near WOT, I tied the boat up, killed the engine, and went to get the trailer. Still won't start. An Evinrude outboard motor that keeps overheating can be fixed with relative ease. If I started it and the telltale was working, etc it takes a matter of seconds, therfore less chance of doing damage being engine is hot for a shorter period of time. I was trying to start my 1988 20' 302 ford pleasurecraft marine shammy yesterday. Two things you can't have too much of in freeing a seized engine. They'll always beat ANY online listed price to your door for in stock nos parts and discount pricing on SeaDoo Yamaha Kawasaki Polaris or Tigershark parts. There is more than just clearing the light to this situation; there is a fault with the all wheel. Read before asking. Not to mention it’s also cheap and quick. What is the difference between Johnson outboards? Johnson was an American company started in the year 1908 focusing on machinery including. 5 hp outboard overheating; free suzuki dt 3. Boat won't turn over at all. Now the motor is very difficult to start. Boat motor won't start roadside82. When I turned key once (not to start but just to get electric on) the alarm sounds immediately and doesn't stop. 7 compression test 1973 85 hp mercury outboard motor idals to fast how to adjust. crank over motor with plugs out , see if water squirts out of plug holes. Took the boat out to overheating alarms. Marine Engine Blocks (no core charge) 3. Loading Unsubscribe from roadside82? ABANDONED Boom Lift Hasn't Moved In Over a Year and Won't Start - Duration: 17:41. The next day, I started the car but it ran very rough, like it was misfiring, and then it died. When I wash the boat and flush the outboad, I park the car/boat on a slope so the water can run off the deck and out the scuppers. If they do, the battery may not be completely dead or there is a different problem. McDonald ***** The factory recommends that a properly trained technician service your Johnson or Evinrude outboard motor. ive taken lower unit off to replace impeller,but impeller was in good shape. And obviously, shifting this fast can be hard on the engine; it's okay to do it once or twice to save the day, but before taking the boat out again get that valve fixed. Four winns boat trailer parts for sale : Four Winns - $15000 (Lakeville), Four winns 255 Vista - 1989 - $10500 (Sm, FOUR WINNS Shes a Beauty - $29999 (Page, Four Winns 18. If the batteries are down a bit, there won't be enough power to turn the engine over fast enough to start. do away with a plug twine, stick in a bolt so as which you will shelter contained interior the twine cap, and et the countless end carry close close a in trouble-free words perfect floor. We sold a lot of 17', 20' and 23' MAXIM boats which came with either 85 or125 Force outboard motors or 3. let's see the boat. 3, 305,350 (GM) 302,350 (Ford) Mercruiser, OMC, Volvo Penta, Crusader. 45 horse outboard johnson motor wont start; 5. BMW 330Ci car overheated and now wont start - 2 reports. Hi guys!Its been a while since Ive been here, unfortunately have not had much opportunity to use the boat in the last 18 months I went out this morning to fire it up for the first time this season, was hoping to use it this week, but it will only run for about 3 seconds, then shut off. If you start to smell the distinctive odor of engine coolant, or you notice that the level in the overflow bottle is dropping rapidly, it's time for a careful exam. Troubleshooting Outboard Motor Magneto Ignitions Introduction Your outboard motor won't start. Hot lube oil smell indicates an oil leak, probably requiring immediate shutdown. Boat runs fine for 5 to 10 minutes. A download outboard repair manual is a book of instructions for learning how to maintain, service, troubleshoot, and overhaul the engine to factory specifications, including procedures for engine won't start. Before Charging: 1. Outboard motors are a big part of fishing from a boat. BTW, took the boat out today on Winnie, what a gorgeous day, no wind, flat water, but the humidity was oppressive ! When I started the engine, it smoked some at the dock, but not over smoked. BUT when I go to restart the motor after I have been sitting in a fishing spot, it won't start. It began to rain, didn't check the bottom spark. To start viewing messages, select the forum that you want to visit from the selection below. How to remove engine from 2000 100hp yamaha outboard yamaha 300 motor starter problems 1990 20 hp evinrude wont start when cold 2015 mercurywelding 90 hp lower end how to set the idle up on 1973 85 hp evinrude mercury 90hp outboard compression test specs 1981 mercruiser 8. overheating. While a fuel system problem may make it impossible to start an the engine, outboard cooling system problems have the potential to destroy an otherwise healthy motor as overheating can lead to a blown cylinder head gasket, or even complete seizure of the engine. This can cause serious damage to your boat and boat's engine if left untreated. If it will crank but won't start, your Grand Marquis probably has an issue with its engine timing or fuel and air delivery system. 7 compression test 1973 85 hp mercury outboard motor idals to fast how to adjust. We've had two, the original in the boat, and the one shipped from Denmark to Hawaii to replace when she overheated and warped the head (my bad). Engines don’t have hearts or souls. This older ignition using condensers, if they start to break down, the motor can start and run for a while, but when things warm up, the condensers and or coils can begin to short out internally causing the motor may die. Went out again yesterday, same area, same distance1 charlie court. but, with a clear case of engine overheating, fear this may be the case. This abnormal movement may indicate a bent, broken or altered propeller. I have not been able to get my motor to start again, and I am wondering, before I start looking to fix the water circulation problem, approx. If your engines won't. We have traveled about 5K miles on the trip We are on now. It's usually something simple. They also have very little thermal mass, so they heat up very, very quickly. This sound usually means a dead battery. While the motor is idling it stays around 130 at highest point. if it doesn't, and you hear the starter engage, you may have to see if the engine will turn over manually with a ratchet and socket at the crank bolt. Speed - Electric - motor wont start - Im having problems with my setup a leopard motor, 220A esc yesterday I was running boat made a big skip drive. crank over motor with plugs out , see if water squirts out of plug holes. BUT when I go to restart the motor after I have been sitting in a fishing spot, it won't start. In any case, since it wouldn't crank/turn over at the airport, the engine did seize, at least temporarily. Watch the engine's "tell-tale" overboard water indicator to ensure that the engine is pumping water. Make sure you have a good set of flushett muffs that won't fall off while you are running on the hose. NOTE: If any 5v sensor becomes shorted to ground the engine will not start. I have had the boat out twice since then with no problems. But don't panic yet, the codes and leaks you have might be separate issues and if you are lucky, the car shut off for some other reason besides overheating. If it is a single phase motor it uses a capacitor to start the motor. Get in the boat, place the shifter in neutral, start the outboard, and watch for water flowing out of the pilot hole on the back of the cowling. Outboard Won't Start. If they do, the battery may not be completely dead or there is a different problem. This is a very important and usually unknown fact to the performance of glow engines. Step-by-step troubleshooting will help you pinpoint problems. Remove all jewelry and put on protective eyewear, gloves and work clothes. It turns over, but won't catch. With a team of friendly and knowledgeable staff, we can assist you in finding a new or used RV, boat, boat trailer, outboard motor as well as RV parts or Marine parts. If your car overheated now it won't start most of the time and when it does it has low compression, what could be wrong? After the car overheated and shut down is when I found the crack in the radiator. Current status: Car overheated yesterday. 2007 Nissan Altima overheated, did not smoke but as I pulled off the highway, the steering wheel became stiff, and once i stopped i turned off the car. Three of them were fixed (no water spitting out) by disconnecting the little rubber hose at the back under the cover and pushing a rigid wire though the water out let in the casing. Freeze plugs or expansion plugs, what is a freeze plug, engine freeze plug replacement, can leak coolant causing overheating, cooling system, engine damage. It's frustrating to launch your boat and realize the motor won't start. This banner text can have markup. You can crank until you are blue in the face but it refuses to start. Well I got out on the river and got up river to fish and stopped the motor, but decided to move a little and the motor wouldn’t start. 7 compression test 1973 85 hp mercury outboard motor idals to fast how to adjust. Problem: You can hear the starter motor turning the engine but the bloody engine wont actually start!Diagnosis: Most often, you are out of fuel. 1 over heating mercruiser 496 mag wont start 2001 johnson 50 outboard won't start 97 mercury 40 hp wont turn over become too hot how to adjust air fuel mixture on 25 hp evinrude mercruiser 3. “Why does my engine smoke so much when I first start it”. Scribd is the world's largest social reading and publishing site. It also runs very strong after it is first started. If any breaks or leakages are found, immediately stop use of the outboard motor and take it to the shop for repairs. 1994 350 mercruiser engine won't start; 1995 3. If the Mercury Outboard 115 will not start, this can indicate a variety of things. The Evinrude motor uses water to perform the cooling function. Took the boat out to overheating alarms. Before Charging: 1. It started smoking so I let it cool down for a while. Re: Bukh DV10, single cylinder, 10-hp Diesel runs great! BZ on a getting a great engine. The words of modest mouse. 120 to 130 hrs. Boat motor won't start roadside82. Went in, fuel filter inside the engine, is full. DOWNLOAD a complete outboard repair manual in seconds. vn overheated now not running to keep getting hot but the old owner only lived 5 minutes up the road so kept driving it. That will allow the block to cool naturally and dramatically reduce heat soakback. NOW SOLVED. Sometimes people look past these common blown head gasket symptoms because they do not want to know they may have a big problem on their hands. 120 to 130 hrs. 9 and I got white smoke when I start or it might be a bluish white but it’s not really thick and here recently when I drive after I let it warm up completely. my boat has sat since aug, anyway i started my boat in the garage and and fired right up the took it out to mead fired right up then bout halfway in the marina it died and i couldnt get it to fire it would crank but wont start , just curious if u guys know whats up. Ignition module failure is no joke because it often leaves you stranded. When I turned key once (not to start but just to get electric on) the alarm sounds immediately and doesn't stop. Troubleshooting Outboard Motor Magneto Ignitions Introduction Your outboard motor won't start. My boat is an 87 wellcraft antiqua. Push choke. crank over motor with plugs out , see if water squirts out of plug holes. A bit of marine carpet, marine ply, PVC tube innovations, easy cheap additions all help make your Boat "yours". I think most people start their motors before putting their boat in the water, I know I do but I do it at home on the hose. My car has an automatic transmission. What To Do If Your Outboard Won't Start. I have had the boat out twice since then with no problems. The engine starts. When I checked the spark pluge, I found the top one to be wet with fuel mix, but the bottom one was normal, black and sooty, but dry. I disconnected the hose from the outdrive to check the water flow and had my buddy start her. It is a diesel pusher. I can only imagine that on a 10HP motor, you'd be taking a LONG time to get back in. It was ticking when i gave it gas and losing power and the whole engine was smoking for a while after it shut off. Boat engines are prone to overheating. INSTANTLY DOWNLOAD outboard repair manuals straight to your computer in seconds. If you are overheating and you haven't replaced the pump for a while, do it. Is it overheating? The temp gauge says it's normal. That morning I let the car run because it has been extremely cold, my gages checked fine and there wasn't any sign of overheating. water on the ground could be a blown rad hose or cracked rad. The one rental boat with the Merc on it didn't even make it out of warrenty before the motor was sold and a. And as a side note, always have your basic safety gear in the boat — see my article on Things to Carry in the Dinghy. If gummy or watery fuel is found, have the fuel tank drained by a Yamaha dealer to remove any contaminated gasoline. What compression pressure should suzuki 90 hp outboard 2004 mercruiser 8. 5 hp outboard motor manual; 1993 johnson 3. The page top photo was taken of of an oil burner electric motor not an air conditioning blower fan motor or pump motor, but you'll see that all of these electric motors look a lot alike. Updated: July 14, 2017. The car makes a clicking noise but won't start. This part is essential since it connects to the engine block and head gasket. Once the hose is attached, turn on the water faucet. I bought it at an auction in AZ for $4,500 because major parts of the motor were in the storage boxes. Like this comment? Car Won't Start · Check Engine. If you decide to troubleshoot the problem yourself, you'll need to understand some basic concepts on what makes the engine run. 1990-2001 Johnson Evinrude Outboard Service Manual 1 HP to 300 HP - PDF eBook johnsonevinrudeservicemanual JOHNSON EVINRUDE OUTBOARD SERVICE MANUAL 1990-2001 DOWNLOAD. The cause of an ignition control module failure is often associated with age and damage from heat buildup. Chrysler PT Cruiser Warning Lights and Trouble Codes. It has always started immediately. worksho manual for johnson 4 stroke workshop manual johnson download 1979 marine grease for 1999 50 hp johnson mariner johnson repair manual download motor schematic for johnson 50 motore johnson 90 cv 96 user manual need powerhead for 2004 johnson suzuki 140 hp outboard online manuals for 81 johnson 70 hp outboard repair johnson outboard 1995. mechanic changed water. It is slow rising but gradually it gets around 200. It is a very peaceful way to travel if you have a relatively shallow lake. Still runs like a top. Can someone tell me what caused this and what I need to look for to repair it. boat wont crank Not rated yet had boat on lake coming back to boat ram boat ends up dying would not start back. Engines don’t have hearts or souls. Excess Engine Release wets the piston skirt and cylinder bore making engine starting easy. Well going back to the last time you used it, the gas and oil going into the engine from the carb and oil pump are atomized into very small particles so they can burn and the engine can make power. The car never does it on the road, only cold start. where is the fast idle switch on a 1992 50hp johnson outboard, where is the vent hole on johnson 112hp, where to buy shop manuals for johnson motors, why a 1994 40 hp johnson wont start, worksho manual for johnson 4 stroke, workshop manual johnson download 1979, marine grease for 1999 50 hp johnson, mariner johnson repair manual download, motor. A repair manual contains critical instructions that, if not followed correctly, can render the boat hazardous to its occupants, or result in costly repairs. You have to register before you can post. Don't let anyone drive your boat, unless you're on it. I did not hear the alarm going off over the noise from the motor until the motor stopped making noise I cleaned off the junk, let it cools for five minutes and cranked it. Though the thermostat is not often the cause of overheating in outboard motors, it can be damaged due to high heat. Why Is My Sump Pump Running Nonstop? What Causes A Sump Pump System To Run Constantly Without Turning Off? Sump pumps can run continually for many reasons, including a malfunction in the system, a high water table, or a plumbing issue. Marine Engine Blocks (no core charge) 3. MerCruiser Overheating - Merc Cruiser Troubleshooting Guide Troubleshooting can determine faults and help correct mechanical or cooling system problems. Ive checked. If the Mercury Outboard 115 will not start, this can indicate a variety of things. I let it sit for 5 minutes and it fires right up and runs great for five of ten minutes and then slowly loses power and dies again. Get in the boat, place the shifter in neutral, start the outboard, and watch for water flowing out of the pilot hole on the back of the cowling. However, when jumper cables are used from the boat's battery, it will turn correctly and start the motor. on my boat i. they're dead and get a rolling push start. You have to register before you can post. It also runs very strong after it is first started. There are two basic types of power Trim and Tilt Systems being used in the recreational Boating industry regardless of weather you have an Outboard or an I/O Sterndrive. It is important to make sure the motor you are using has been properly sized for the application, environment and duty cycle it will be performing in. So just curious of those that had that type of scenario befall them. what compression numbers should I have on each cylinder?. The 20/25 Mercs only discharge when thermostat opens so there is a delay of discharge on cold start-up and the cycling of the thermostat can actually be observed. I am still having trouble with my generator Kohler 5E when I start it I have to manually pull the choke to start up the generator (it won’t start from the remote the panel) then it runs fine for 4-10 minutes then suddenly it drops the rpm and the voltage nearly until it cuts off during this the throttle lever pulls down and then it revs up and pulls the throttle back up again this takes 4-8. Starter Motor Turns Engine but Engine doesn't start. Speed - Electric - motor wont start - Im having problems with my setup a leopard motor, 220A esc yesterday I was running boat made a big skip drive. - Answered by a verified Marine Mechanic. I thought it was the excess water that had gotten onto the engine that was now boiling away. 6 overheated on the freeway and shut itself down. When I tried to start it up, it wouldn't. within 15 minutes,the overheat. It is a diesel pusher. When the engine does try to start, it shakes and seems as if the timing. Interior is like new. Similar to when you can't get your car to start. My engine has overheated, what do I do now? The two signs that your engine has overheated are the temperature gauge shows "Hot" or the coolant warning light comes on when you are driving. Honda 50 hp engine problem. If you rely on the yard to bottom paint your boat, insist they remove the screens, clean out the throughhulls and dab some paint on the insides. Trying to start it immediately it would not run in gear or much above tick over. 70+ channels, more of your favorite shows, & unlimited DVR storage space all in one great price. I started the engine and it kept shutting off. If both of these items check out then the cooling fan motor has most likely burned out and needs replacement. When there is not enough water going through the engine, overheating occurs. Any thoughts on why the car won't start other than no compression? At this point, I am not sure if this is conclusive evidence that the problem is a blown head gasket, warped/cracked head, etc. if it doesn't, and you hear the starter engage, you may have to see if the engine will turn over manually with a ratchet and socket at the crank bolt. Steering gear. Cracked radiator hoses, blown fuses, or worn brakes are all problems that can leave you stranded but in the end are simple fixes that can get you back on the road quickly and easily. 7/8 inch hole. Download a repair manual too. Sometimes people look past these common blown head gasket symptoms because they do not want to know they may have a big problem on their hands. It's guaranteed to save your outboard and here's how to do it using Engine release. Boat won't turn over at all. My focus is on the unique features found in boats that are the common sources of a "no-start. It is a 1987 Baliner Capri. One oddity - took off the distributor cap, cleaned up points and rotor, put cap back on and it wouldn't even TRY to start. Engine overheated, will not start (2000 Dodge Durango) chrisjc in Murrieta, CA on. The words of modest mouse. (Photo: John Tiger). It is a very peaceful way to travel if you have a relatively shallow lake. My genny starts fine at the generator but would not start at the switch in the cabin. I started the engine and it kept shutting off. Download a 70HP Yamaha, Suzuki, Evinrude, Mariner, Johnson, Mercury outboard repair manual in seconds. Ideally, drain your oil right before the boat is hauled, refill, then run the engine for a minute or two to make sure everything is coated with clean oil. The problem is, after the motor gets good and hot and we stop for an extended time for a swim break then the motor will crank but not run. 7 compression test 1973 85 hp mercury outboard motor idals to fast how to adjust. When a car is topped up with oil, it clear to most people that you are supposed to fill it to the recommended amount as specified by the manufacturer (normally on a dip stick). Check engine light came on but no overheating or oil pressure alarms or beeping etc. Let sit for a day. “Why does my engine smoke so much when I first start it”. I had it towed home and tried to start it that night but it only cranked over and over but wouldn't start. DOWNLOAD outboard or inboard marine repair manuals straight to your computer in seconds—fix your problems now. Fill the cooling system. Cranks over but won't fire. There's no turnover sound at all. Boat engines are prone to overheating. Flushing MerCruiser Engine with Boat In or Out of MerCruiser Rear Oil Seal Service Procedures 5. It seems that I can start it when it is cool, but after I run it and it heats up the motor won’t start again until after it cools. Each 4hp engine repair manual covers every aspect of repair. Then, pop the hood and get out of the car to open the hood as much as possible to disperse the heat. Any electrical appliance and machine produces heat under normal operating condition, but then it is designed to handle that heat with proper heat transfer and ventilation mechanism. Place the battery in a well-ventilated area since batteries emit explosive gasses. The car never does it on the road, only cold start. I can't help much with the overheating, but the non-start may be caused by vapor lock due to the elevated engine temperature. One part might be responsible, or a number of parts can contribute to the overheating problem. Try to find the source of the odor to avoid costly repairs in the future. Browse Categories Answer Questions. Is it overheating? The temp gauge says it's normal. A guy I know would stop his car and wait, sometimes he tried rocking the car to get the air bubble out of the water pump, then start it up again and it would cool quickly. If you're looking for a boat on Erie, no one runs WOT out there because the lake is so choppy. Loading Unsubscribe from roadside82? ABANDONED Boom Lift Hasn't Moved In Over a Year and Won't Start - Duration: 17:41. It's frustrating to launch your boat and realize the motor won't start. NOTE: If any 5v sensor becomes shorted to ground the engine will not start. Any advice?. 21 nitro i converted to electric some years ago hull hardware and radio weight 60 oz Swordfish Pro 220 amp 6s esc a perfectly alighned 3/16'' flex shaft spinning a x440/3 prop speeds around 50 mph i keep run times around 2 minutes motor mounted between motor rails that. You should also check to make sure the spark plug gap is set correctly. I got off on the next exit and as I was finding a place to pull over, the car completely died. Usually there is a nut or bolt on the crank end that can be used to try and turn the engine but the danger of breaking it off means a safer alternative is to use a lever on the ring gear through the starter motor aperture. Re: johnson 225 2 stroke overheated now won't start there is an overheat sensor on each head right in the middle of two of the sparkplugs i believe the one on the left bank has two wires and the one on the right bank has one wire unplug these and try to fire my sensors on mine just went out and when they do that they set the alarm off and it tells the engine to cut off three cylinders from. So just curious of those that had that type of scenario befall them. Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. When we would get a phone call at the marina, “My boat won’t start” here’s what we’d typically say:. 120 to 130 hrs. Interior is like new. mechanic changed water. pdf), Text File (. We've had two, the original in the boat, and the one shipped from Denmark to Hawaii to replace when she overheated and warped the head (my bad). You may also visit the Boat Motor Manuals section of our site to obtain a service manual. Tried to pull the head cover off, but the bolts weren't budging. I pulled back the throttle and the alarm silenced. It is a 1987 Baliner Capri. It wont crank anymore and I have an obvious coolant leak because there is red coolant all over my car and engine. A nice stream of water coming out the tailtell hole. BUT when I go to restart the motor after I have been sitting in a fishing spot, it won't start. All current model outboards (except the manual start -non electric models) have over temp audible alarms (think I'm right on this) if factory harness and controls are used. How to Start a Carbureted, Electric Start Outboard Motor. Make sure you have a hose, water source, and the keys to the engine before you start flushing. Now the motor is very difficult to start. Car has since been towed home and this is what has been done so far. What compression pressure should suzuki 90 hp outboard 2004 mercruiser 8. Well after fixing the pulled wire today it did not fix my remote start issue. You crank and crank and crank but it just won't run. Fortunately I was not too far from my slip at the marina and we were able to nurse the boat back into its slip OK. it would over heat after driving it 5 miles at least. Scribd is the world's largest social reading and publishing site. Leading standardization organizations have concluded that 30 percent of motor failures are attributed to insulation failure and 60 percent of these are caused by overheating. The engine starts. The number one reason for your engine not cranking is a dead battery. We even came across the sound last year in 3 foot seas balls out, every 30 seconds the lower unit was getting yanked out of the water, banging the rev limiter then getting dropped back in. Found a plugged radiator. Similar to when you can't get your car to start. We pulled over, let the engine cool and added a couple gallons of water, started the car and went another 6 miles with the engine running very roughly, probaly missing some cylinders, and then it died again and did the overheating bit. Check the Spark Plugs, top 2, has no spark at all. MerCruiser engine RPM below factory specifications at wide-open-throttle WOT (engine laboring). There was a decent size oil slick in the water. What is up with the Titan 12T 550 motor?? crap out of it and overheated it to the point of burning myself and it would never die. I had it towed home and tried to start it that night but it only cranked over and over but wouldn't start. Post the #'s & we'll go from there. My merc outboard overheated now wont start dued to chewed up impeller fixed that but motor wont start it will turn over but wont start but when it turns over it. So far we have had two issues, One, the leveling jack motor quit. Check the fuel lines connecting the outboard motor to the fuel tank. Thermostat. Sometimes motor will not start. Also pulled the dipstick, which looked full and clean with no coolant in it. Older boats may not be equipped with the warning siren. still wont start, it kind of back fires and gives a puff of smoke from the exust, can you please help. Runs and drives great other. starter motor wont work (electric start). I pulled back the throttle and the alarm silenced. A downloadable repair manual is a digitally delivered book of instructions that provides step-by-step maintenance, troubleshooting and repair procedures. There are many reasons why an engine won't start.