] you will find them to have extreme pitch, [or advance] and be of small diameter. I have a 2004 150 Mercury with 600 hours that I purchased new and changed water pump every 12 months. Ran the boat on one engine to disprove planeing/ speed/ aerated water issue. A water hose will pressurize the system, overriding the impeller, and giving a false sense that impeller is ok. I also subscribe to Alldatadiy. Any good Fresh Water Cooling System should have excess cooling capacity. I have a 1999 mercury promax I just rebuilt it I'm in the break in period. speed (rpm) Electric Motor - Speed vs. com covers local news from Riverside County, CA, California and national news, sports, things to do, and business in the Inland Empire. The first time I had a bad spark plug which had a crack ceramic insulator. They're saying that there was a lot of growth inside of there, and that it was plugged. I suspect that did not help with water pressure, all that being said I was able to go over 1/1 miles at 800 RPM or less and it did not overheat- in fact, the tell tail remains cool to the touch. If the motor is trimmed out too far, the bow will ride too high in the water. Cummins 6BT5. They say great things come in small packages and we set out to prove it. Mercury 70 hp bogs down at full throttle. A downloadable repair manual is a digitally delivered book of instructions that provides step-by-step maintenance, troubleshooting and repair procedures. 4:1 air/fuel ratio at idle and. The motor fires up just fine. So if the water pump is not cooling or the sensor thinks it is overheating. My overheating problems all started after having some work done on my transmission. It runs perfect and never overheats if I run under 34 mph. I've had the boat 2 years and regrettably neglected it for the 1st year. CRA E EE Installation Process At-a-Glance 1. It only takes a few seconds, especially running at high RPM's, for an overheat situation to kill an outboard powerhead. A few possible causes could be broken or incorrect size propeller. Re: Engine overheating on high RPMs Hello, Today I took boat out to test after bushing and o rings been replaced. The Yamaha AR210 is the perfect boat for a family that likes water sports. Then she began reving high with a lack of propulsion when 4 people were on the boat or if pulling a wakeboarder. This topic has been kicked around a lot and I read and tried several things. As far as what temperature and how long- don't overheat it at all. Plugs are cheap and I change them (like many other guys) every season to eliminate many of these types of issues. It was used in saltwater before I purchased but was stored in a high and dry and flushed after each use. The alternator spins faster than the engine. I've got her running great - but there's one last problem I can't get figured out. If you get a 2 second beep in one minute intervals, then you may have high pressure in the oil seperator tank or low fuel. Temps did get high 180-190 but no overheat alarm. So, in time I can get the Lowrance to work but I'll need to take my boat to Phil's for them to fix the overheat issue. They could be normal, high, low, and this will pin point the place to look: Normal maximum RPM = hull problem. MerCruiser Overheating - Merc Cruiser Troubleshooting Guide Troubleshooting can determine faults and help correct mechanical or cooling system problems. All can contribute to motor overheating and early motor death After motor has been tested and putting out full rated HP performance, then move on to correct motor height and propping, in that order Motor height, boat on plane above 4000 rpms, check antiventilation plate just above the prop for correct height in relationship to water. For ease of setup in your first brushless boat, I would stick with an inrunner. Replaced manifolds and risers 2 yrs ago. Good water flow out. Crafted for ~60’ - 69’ boats, up to ~50 tons, the Seakeeper 16 is designed to eliminate up to 95% of boat roll. on account of displacement limits in the racing. 5 L Model 400 4200-4600 2. I just got a boat with a console and when you start the motor, you first here a high pitched squeal. Specially-engineered to deliver maximum boost and performance, these belts feature the most advanced technology. GPS read top speed of around 36. help Transhield's patented mil fabric gives your boat unparalleled protection from the assails of nature during storage; 7mil boat covers from Transhield are made with durable polyethylene on the outside, and a soft non-woven underneath. The manual said spark plugs or gap, distributor cap, or ignition wiring. i will probably get ripped into for saying this but being as boats dont go thru lots of warm up. Making amends now. I have a 2004 150 Mercury with 600 hours that I purchased new and changed water pump every 12 months. To complement the Shinex, Festool offers an assortment of polishing compounds, pads and sponges to repair and perfect paint flaws. Not sure your issue, but if your engine temp is OK at idle and slow speeds but when you get on plane you notice that the temp slowly keeps creeping up and up, you might have clogged and/or rusted exhaust manifold or riser water passages. The raw water temp coming into the heat exchangers is now about 82 degrees. 150 Speed Ster ® ALL-NeW Front storage bin Ski pylon – pull-up Folding tower (optional) ALL-NeW Sunpad ALL-NeW Stereo system with Mp3 port ALL-NeW Full instrumentation dash MUSCLeCrAFt – 2012 • 1. The Seakeeper 16 is completely. 3 engine is overheating at high rpms. 174 Fuel System Fuel Pressure is low. 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 overheating Download this book straight to your computer in seconds and fix your problems now. air to pass through the carburetor. MasterCraft Frequently Asked Questions (FAQs) What tips do you have for cleaning the outside and inside of my MasterCraft? Here are some ideas for keeping your MasterCraft looking like new: 1. The most common power jet size is 65. I chose a 22' Sea Sprite made at a company near Chicago, powered by a Mercruiser 5. on account of displacement limits in the racing. But be aware, a boat is a different animal and you can easily overheat and destroy your car spec motor. They say great things come in small packages and we set out to prove it. Mine ran hot. 3 engine is overheating at high rpms. Hello, i am an owner of etec 130 2010 model. The voltage regulator will allow the alternator to make enough power to maintain proper voltage level, but not allow system voltage to rise to a harmful level. Check fuel level. I had it wide open as far as I could get the throttle to go. 1987 - 1996 F150 & Larger F-Series Trucks - '93 F150 - overheating at high rpms, ok when stopped - I have Ford F150, 1993 - 4WD 5. Though the thermostat is not often the cause of overheating in outboard motors, it can be damaged due to high heat. At low rpms the pump is not supplying enough water to the engine to cool it. "There is never just one thing wrong with a boat"; -- Travis McGee, main character in a book series by John D. When at higher rpm the the motor just revs up and the boat slows down to almost nothing just like it has seaweed around prop. After running at higher rpms for about 10mins it started running roughly and loosing power, I brought the throttle back and the boat ran fine at lower speed and RPMShappened twice, both times about 10min into the higher speed stretches. The main thing is that I get the boat from second hand! I ask him when I get the boat if this engine has any problems and if he makes all the service at time! He says to me that he makes all the services and he never has any problem! With the help of a friend i find this! He get the engine from another person with 20 hours!. I believe the raw water system is ok because the risers and raw water hoses are cool when running the engine, intake confirmed good, impeller replaced less than a year ago. The most common power jet size is 65. Has your radiator been cleaned, thoroughly? Does it, the radiator look clean front and back. The most notorious feature of this engine are the three two-barrel carburetors sitting on the high-rise intake; hence the name Six-Pack. I have run the boat on a stand hooked to a water hose and it is not overheating at all. I used it a couple of times in saltwater many years ago but has been nothing but fresh water for at least last 5 or 6 years. The in-cylinder temperatures while running at high RPM can be around 1200° or more. This can result in a situation where if a vehicle has low voltage or high resistance in the primary wiring to the coil, the module will increase the dwell time to the maximum, which approaches 45º and allows no time for the spark to burn. Pitot CKT Hi No 100% Short or high voltage do believe it's overheating alarm I shut the boat off. so, how do i know if i'm overheating?. Not sure your issue, but if your engine temp is OK at idle and slow speeds but when you get on plane you notice that the temp slowly keeps creeping up and up, you might have clogged and/or rusted exhaust manifold or riser water passages. Suzuki’s new DF 115 (and its sister motor, the DF 90) are the first outboards in the industry to use an offset driveshaft combined with a two-stage cam which reduces the motor’s physical size yet increases overall performance. Another issue I've run into with an 8v71 TI was very similar like yours. It only takes a very small amount of debris to cause overheating at high RPM. In the 6 years I've owned this boat, it has always run a little above 140*. A new raw water impeller had been trashed in a few hours running. had the boat. That means that you can also get yellowing if you are idling. Check out Honda's full line of dependable 4-stroke outboard motors, from mid-range, and high power motors, from 25 to 250 hp at The Boat Guy in Bourne, MA. Full Throttle @ WOT,,,LOWER TILT 35 knots. This sensor uses a hotwire that is subjected to the engine's intake air flow which cools the wire down and changes its resistance which is then read by the computer. Besides their use in merchant ships and boats, there is also a naval advantage in the relative safety of diesel fuel, additional to improved range over a gasoline engine. The engine is a mercruiser 5. Yamaha claims extensive testing has proved its engines. The condition continued to deteriorate, and now the boat RPMs are very high but the boat will not propell well at all. It overheats at low revs (driving in stop & go traffic, driving up several floors in a parking garage, etc. This is called a High Speed Overheat. Check the thermostat as mentioned by jrd. Smoke clears after 30 seconds. Honda 15hp Engine Features: Weighing in at a mere 103 pounds for a short shaft/ manual start, Honda Marine's BF15 are the first four-stroke outboards of their kind to w. Yesterday out on the boat, everything running great, until later that afternoon started engine to move away from shore, and the overheating alarm went off and would not go away. Also the gasket below the water intake fitting may be torn/worn and leaking. Boat has a jack plate and it doesn't seem to change whether the motor and trim is up or all the way down. The main thing is that I get the boat from second hand! I ask him when I get the boat if this engine has any problems and if he makes all the service at time! He says to me that he makes all the services and he never has any problem! With the help of a friend i find this! He get the engine from another person with 20 hours!. 0 L engines, and a best cruise of 25. 1999 mercruiser 4. Any good Fresh Water Cooling System should have excess cooling capacity. High torque capacity and high speed are available from this naturally balanced coupling Clamp or Set Screw Clamp or Set Screw Set Screw Clamp or Set Screw Set Screw, Bonding, or Cross-Pinning Up to 3000 rpm. Pitot CKT Hi No 100% Short or high voltage do believe it's overheating alarm I shut the boat off. It began to overheat. Below you´ll see a chart of the temperature in degrees Fahrenheit. Well I ran to the boat and notices that the hose connected to the tank was corroded, as I was taking it off it fell off in my hand. Easily find your stainless or aluminum prop with our PropFinder. My 250 yamaha outboard overheat when it the rpms go over 4000. Checking air supply is easy: Run the boat at high rpm, say, 200 below maximum. Try the 2008 Wake an you won’t regret it. 3” Connext® control system and plenty of room for third-party electronics T-Top with Rod Holders Exclusive to the Sport model, the T-top provides shade and style yet is. I’m thinking about getting another 160 stat and comparing the old with the new in hot water to see if they open at the same temp. While common, these engines are also controversial. the entire cooling systems on our boat are new, from the raw and cooling system pumps, manifolds, extensions & elbows, hoses and coolant, HE. I had the same problems with my MacBook, but with 50% on two CPUs the MacBook keeps cool (about 60. I can trim all the way up (to the point of a rooter tail) and I can't get the prop to slip! I can even turn faily decent at high speed and trimed all the way up and still runs. The electric fan runs does mean the thermostat does not need changing. Non‑Critical ‑ Service Engine Soon. The longer you wait to clean up spots the harder it will be later down the line to get them off. Excessive overheating can ruin your engine. 2 L (379 cu in) diesel V8 was introduced in 1982 for the Chevrolet C/K and was produced until 1993. That is a very subjective question, as the manner in which an automobile is driven directly affects engine life. Today, on the last day I could put the boat on the water, before I have to leave for the summer, I got a problem. Since then I have had many of these motors and can tell you that there are few people on the planet that have more time with these engines than me and my crew here at Dream Catcher Charters. just keep going till u find the cause. In other words, I made things worse. speed FESS (typically up to 10,000 rpm) and high speed FESS (up to 100,000 rpm) [18,23]. Crafted for ~60’ - 69’ boats, up to ~50 tons, the Seakeeper 16 is designed to eliminate up to 95% of boat roll. The blades fix into shape because of the cam so at low RPM there is less water flow and it can overheat partially. and that was also done quite a bit. That means that you can also get yellowing if you are idling. Remove your engine from its crate and check: a. 549 / (2000 rpm) = 3. Top of thermostat housing 165 degrees, bottom 140-145. com Forums Engines, Drives & Props Volvo Penta 4. Recently i was cruising in the night at about 3000+200 rpms and 17knots due to low visibility. Nitro engines for models can turn in excess of 50,000 RPM. Some high-power boats may have five to six blades. For best results on a pontoon boat, your engine should turn up close to 6000 rpm with a light load aboard. Electric motors are not efficient, most have a rating of about 50% due to factors such as heat and friction, some may be as high as 70%. yamaha 115 wont rev past 3000 rpm. Alpha Pro III. 0L powered boat will burn 2. Ask for this BF60 X Type by stock number or make and model. Does anyone know what the different causes would be for receiving the audible warning alarm on a 98 Mercruiser Ski carb 5. In a Regal 3060 Commodore we saw a nearly identical top speed of 47. My boat dies (not under a load) in neutral when I adjust my curb idle screw below 1000 rpm's. All it takes is an increase of RPM's maybe 12-1400 to get the temp back down. After that the motor started runny really crappy and I was wondering if I would make it back to the dock. If you are going to cruise anything above hull speeds it is important that the boat is loaded correctly (propped) to reach the full rpm test. In fact, more than half of the company's total engine production between 1919 and 1934 was built for marine applications. Check fuel level. 4 mercruiser what could be causing a merc 6. While common, these engines are also controversial. While watching the tachometer, have a crewmate open an exterior door and an engine compartment hatch. White smoke occurs in a diesel engine when the diesel fuel goes through the engine and reaches the exhaust without having been burned. If the advance is at too high or low of an rpm, the engine may overheat or not run up to its potential; it may feel lazy on acceleration. My fishing buddy is having a similar problem with his 200hp Yamaha 2-stroke. Problems with my Johnson outboard This motor will reduce its RPMs if it is overheating. When you pulled over to let it cool down did you go out and determine that your fan, fans were running at high rpm ? When the engine was cooled down did the coolant appear to be full in the reservoir. Specially-engineered to deliver maximum boost and performance, these belts feature the most advanced technology. if you're seeing high pressure due to load at lower rpms, your engine is a candidate for oil burning. The only time it should get hot is idling or stopped. GPS read top speed of around 36. I know 3500 to 4000 is well within the range of acceptable RPM. 3” Connext® control system and plenty of room for third-party electronics T-Top with Rod Holders Exclusive to the Sport model, the T-top provides shade and style yet is. The 2008 Sea-Doo Wake 215 and Wake 155 represent the top line of the Sea-Doo ski jet sport class from its first appearance in 2005. Find Gauge In Stock Now. I’ve run the boat at this RPM for years without issue. com Forums Engines, Drives & Props Volvo Penta 4. If engine sump temperatures rarely exceed 212 degrees. It's overheating at high rpms, but when I stop at low rpms it doesn't rpms it doesn't overheat. 0 mercruiser that overheats at higher speeds. High torque capacity and high speed are available from this naturally balanced coupling Clamp or Set Screw Clamp or Set Screw Set Screw Clamp or Set Screw Set Screw, Bonding, or Cross-Pinning Up to 3000 rpm. When I took the boat up above 2500 RPM the check engine problem disappeared, only to return when I went back to idle. I was running near full throttle today (4000 + rpm) when my "HOT" alarm went off and the warning light came on. I also subscribe to Alldatadiy. They are sending me free of charge a 6 pitch prop to test and see what that does. The Honda BF 90 is available in two different types: L and X. The alternator spins faster than the engine. I replaced the spark plug and the engine ran fine. Incorrect rotor location. 5 2000 model only bought the car a week now. Anyway, I determined shortly thereafter that the gasket had blown into the cylinder although no cooling fluid had escaped. I have a 06 256 SSI with a 300 hp 350 mpi Bravo 3 At what temp should the alarm sound? I remember that the engine use to stay around 165 now it has climbed up to 175 to 180 and I believe my mechanic has disconnected the alarm and tells me that it is fine. Looking Beyond the Cooling System for Common Overheating Cures. Try the 2008 Wake an. So I leave the engine hatch open while I try to get on plane and water is just shooting out of the front of the engine, which is the back of the boat. 3 at high rpm California since 1980 as a custom boat builder, repower specialist, designer, and supplier of equipment to builders, commercial. It's still does the same thing. This motor has a two stage trim, where the slow trim on the low end and it won’t let you go too high over a certain RPM. The motor runs strong, idles smoothly, and cranks easily. Have changed thermostats, refilled system with 50/50 water Cat antifreeze glycol. ie, on high acceleration or climbing steep hills? The car is a 1997 honda accord SiR made in Japan, there is no radiator nor water leaks,thermostat was removed by dealers, and cooling fans working fine. my volvo penta 4. I believe your water pressure is way to low, maybe critically low if you are running 8 psi at WOT. After all, it is a device, which must be taken care of and replaced after aspecific time. My 250 yamaha outboard overheat when it the rpms go over 4000. converter, this creates a certain amount of heat. The industry's largest range of engines provide the reliability you need. Re: Engine overheating on high RPMs There is a bushing in that area that may be worn, To replace the bushing you need to pull the outdrive and dismantle the intermediate housing. My boat dies (not under a load) in neutral when I adjust my curb idle screw below 1000 rpm's. I just put in a 2rd set of replacement thermostats- these seem to last 5 years and then will stick a bit before opening, often causing an alarm. Low speed flywheels are usually made of heavier metallic material and are supported by either mechanical or magnetic bearings. Has anyone ever had HIGH pressure like this?. 3” Connext® control system and plenty of room for third-party electronics T-Top with Rod Holders Exclusive to the Sport model, the T-top provides shade and style yet is. u have already gone for the most obvious and cheapest option. If i ain't mistaken, you'll be wanting to see oil pressure at least 40psi at idle, and then rpm/1k+10 underway. 8-liter dynamos features a surprising tech package with 16 valves, single- or double-overhead cams and electronic fuel injection—for maximum efficiency and high performance. Throughout last summer the problem continued intermittently but as has been said on this and other forums, the overheating alarm usually goes off at RPMs anywhere between 2400 and up. Recently i was cruising in the night at about 3000+200 rpms and 17knots due to low visibility. A cupped propeller means the blade trailing edges are formed into a curved shape. About 61% of these are DC Motor, 16% are AC Motor, and 0% are Stepper Motor. Up to 3000 rpm. I just got a boat with a console and when you start the motor, you first here a high pitched squeal. ), core exchange policies, warranty, and price, so it is important to realize that the product with the lowest price isn't necessarily the best deal. at 4000 you'll be wanting to see 50ish psi. If you get a 2 second beep in one minute intervals, then you may have high pressure in the oil seperator tank or low fuel. Rpm Boats for sale in Kalamazoo, Michigan. Power and Torque. Remove the manifolds if they appear clogged. one of the cylinder heads is 30 degrees hotter then the - Answered by a verified Marine Mechanic. EcoBoost (all engine sizes) - Overheating towing in high altitudes - So I have a 2011 F150 ecoboost that the sales guys talked me into when I wanted a F250 for towing a 7-8K toyhauler. bilge pump, lighted switches, console low oil and overheat warning lights, bow power trim switch, bow traction mat. Engine overheating at high speed Thermostats had been drilled (1 hole) but that didn't help. They could be normal, high, low, and this will pin point the place to look: Normal maximum RPM = hull problem. The engine would start fine, but then overheat after a minute or two. Another side issue was that the thermostat had one bolt not tightened to the end- enough that the washer was loose. Each is based on the six-cylinder, 2. Performance Boat Center is a premier marine dealership in Osage Beach, Missouri. Hopefully some Merc guru here will know those numbers. Yamaha High Pressure Direct Injection. I went out and tested the boat with shop, and it did indeed not overheat. From the outside, the hose looked fine. Hello, i am an owner of etec 130 2010 model. I've had the same over temp light at low rpms and changing the plugs worked for me. I bought a new ATV Arctic Cat 2008 and used very little. He called me to ask about overheating. A: Continuing to run a marine engine that is overheating is bad…worse than running it in a car. I took apart the water pump and is was clean as can be. Problems with my Johnson outboard This motor will reduce its RPMs if it is overheating. Did you run it at max RPM's for a few minutes and measure it again? Perhaps it is just a bad sender. We offer service and repair of all inboard, sterndrive and outboard boat engines. There´s oil sitting in the bilge below each engine, but consumption looks fairly ok. If you are not experienced in the operation of a high performance boat, do not attempt to operate one at, or near, its top speed until you have gained that experience. My overheating problems all started after having some work done on my transmission. Our stock SuperJet went 44. ie, on high acceleration or climbing steep hills? The car is a 1997 honda accord SiR made in Japan, there is no radiator nor water leaks,thermostat was removed by dealers, and cooling fans working fine. If the advance is at too high or low of an rpm, the engine may overheat or not run up to its potential; it may feel lazy on acceleration. My owners manual says I can run this motor full at 5400 rpm max. The engine gets flushed with Salt remover every other. This is called a High Speed Overheat. A wide variety of high rpm electrical motor options are available to you, such as certification. Easily find your stainless or aluminum prop with our PropFinder. Under certain conditions, the engine will cut-out to prevent damage. However, keep in mind that as you increase the RPM of a fan the noise or decibel (dBA) also increases. 2 L diesel emerged as a high-MPG alternative to the V8 gasoline engine lineup, and achieved better mileage than the General Motors 4. The engines cooling system is designed to keep the engine from overheating while in operation. Engine overheat only in neutral The boat has 91 hours. Therefore, stern-heavy boats that need to run at a slow plane (20-25 MPH) will be greatly aided by after planes both in the efficiency and comfort departments. Boat Marine Battery Boxes, Boat Marine Toggle Switches, Schultz Rear Exhaust Parts for Mercury Mariner, RC Speed/Racing Boats, Ford Rear Exhaust Parts for Mercury Mariner, Ford Rear Engines & Components for Mercury Mariner, Rear Westar Industries Engines & Components for Mercury Mariner, RC Boat & Watercraft Hydroplanes. The Evinrude motor uses water to perform the cooling function. They think the boat is two big for the engine and that is why the rpms are running 1200 rpm under nominal. This thing is driving me crazy. one of the cylinder heads is 30 degrees hotter then the - Answered by a verified Marine Mechanic. The BLUETOP high-performance AGM battery is the perfect marine battery for boats with trolling motors, extensive electronic systems, and works well for RVs with creature comforts that tend to drain batteries quickly. Circle track racers crutch this high rpm condition with under-drive pulleys; only to find that the engine would overheat during caution laps. Since there is still a small overheat problem I plan to change the O-ring on the raw water pump this morning. Mercury Marine muscled up its Verado outboard line today at the Miami International Boat Show, with the introduction of the new Verado 350 and the Mercury Racing Verado 400R. The 2 holes in the very centre between the 2 cylinder heads that look like bolt holes are water holesthe one on the right was the most blocked - basically wholly blocked. Because of the ultra high rpm, the load on a given part is much higher on a 125, than on an. Velvet Drive became a Division of Pleasurecraft Engine Group in April of 2019. Jun 13, 2006 and deliver fuel economy in the engine's most commonly used rpm range-2500 to 5500. Michigan Wheel, Solas, Turning Point, Stiletto, Quicksilver. At that point, the boat is properly trimmed and operating at maximum efficiency. Ran the engine at the dock without load at 3000 rpm – Temp was steady/did not overheat. Remove stains ASAP on fiberglass and upholstery. *You don't want to go through rebuilding your motor or buying a new powerhead, trust me!. ) This isn’t the same as engine rpm, since there’s a ratio between engine and alternator rpm based on the relative diameters of the drive and alternator pulleys. GPS read top speed of around 36. Look at any go-fast boat's prop, [Scarab, Cigarette, etc. Besides their use in merchant ships and boats, there is also a naval advantage in the relative safety of diesel fuel, additional to improved range over a gasoline engine. Trim is the angle of the motor in relation to the hull, as illustrated below. Overheating had been a problem for some time prior, incidentally. These gallon per hour figures are at roughly 3500 RPM. The gun has a variable (i. 0 4 cyl mercruiser overheating at high rpm/hot water going out intake; 3. When I took the boat up above 2500 RPM the check engine problem disappeared, only to return when I went back to idle. so, at 3000rpm, 40psi is sufficient. Furthermore, at 1400 RPM, the engine is working very hard (near maximum cylinder pressure) which leads to high loads on rings, pistons, and bearings. We have changed the impeller, impeller housing, poppet valve, thermostats, and exhaust gaskets. 8 at 3000 rpm, getting 1. The Honda BF115 is a 4-stroke 115 hp marine engine. 3 high rpm after changing belt and pulley; 2001 mercruiser 5. I posted a few weeks ago about our coolant/overheating problems with our Volvo Penta D1-13F. Upon reaching the bay (and end of the 4 MPH zone) I find that maximum RPM is only about 3000 and speed about 15 mph (normal full throttle is 4500 RPM & 40 MPH). I took the boat to a local marine mechanic and they started chasing the overheating problem. He just might save your weekend on the. Electric motors are not efficient, most have a rating of about 50% due to factors such as heat and friction, some may be as high as 70%. I bought a new ATV Arctic Cat 2008 and used very little. 9 is perfect for small boats, dinghies or auxiliary. Overheating had been a problem for some time prior, incidentally. Overheating is a common symptom of marine diesel engine blockage. However, now we are back to the original problem - the engine overheats at low rpm's. 0 4 cyl mercruiser overheating at high rpm/hot water going out intake; 3. With too little trim, the bow rides too low. For a dual-purpose car, engine oil temperature needs to be at least 220 degrees F to burn off all the deposits and accumulated water vapor. speed FESS (typically up to 10,000 rpm) and high speed FESS (up to 100,000 rpm) [18,23]. Non‑Critical ‑ Service Engine Soon. Without the power jet (or with one which is too small), the engine will run lean at very high rpm and high throttle, and as noted before, running lean makes the engine run hot. In a Regal 3060 Commodore we saw a nearly identical top speed of 47. Today, we are making high-output modules and coils that saturate fast enough to fire constant at high rpm. Industry leading inboard marine engine manufacturer. We offer this and much more, so check out our website for more details!. it could be mud or moss or anything. We have checked the impeller and confirmed a good water flow to heat exchanger. The Honda BF60 is a 4-stroke 60 hp marine engine. When a boat is over-propped it means that the engine is not working at its optimal torque range. Great for aluminum fishing boats, inflatables, sailboats, or as a kicker, the 8hp and 9. Nothing seems to be bloking the intake. Digital and annolog temp gauge was a. what causes a 9. Shut off and restarted several times and same thing tried raising rpms same thing. When I got the boat it ran about 205 degrees at 2000 RPM -- which I now realize is above spec. The VF175 VMAX Super High Output four-stroke outboard is lighter, faster and smarter then any other outboard in its class. When troubleshooting a LOW POWER symptom, or a low RPM issue on any high performance marine diesel that uses mechanical fuel injection (meaning NO Electronics, or a true diesel that can run WITHOUT electricity), this is how we go about it (applies in 99 % of the low power / low RPM issues that I have seen). thank you, sir I hate the feeling you get when something is wrong and you don't know how bad it is- and I've found that at least knowing what you're up against helps, for some reason. The engines cooling system is designed to keep the engine from overheating while in operation. RPM® Micro-V® Belts. And once you’ve paid a tech to drop the gearcase and. Twin Engine Combo Screen. Shop for automotive parts online, including car accessories and electronics, and show off your favorite brands with apparel and signs. Crew, I had trouble with the 340 Monsoon in my 04 23LSV for the first time today. As far as what temperature and how long- don't overheat it at all. Engine overheating. 9 High Thrust has all the features you are looking for in a tolling or auxiliary power kicker unit.