Mercury 40 hp temp sensor. Thread starter barefoot_maumee; Start date Jun 21, 2017; B.
Mercury 40 hp temp sensor My seloc manual Faulty Air Temperature Sensor: Will cause hard starting and rough idle. See full description. The problem im having is about a year ago me and my son was out fishing when i got a high temp alarm out of the blue. 99 $66. I disconnected the temp. 40-50 Hp – Non-Thumb Screw Well found out today that the temp sensor in my head (1990 johnson 20hp) is forcing the motor into slow mode. The "P" indicator is on the exhaust side and is before t-stat so it could show a good water flow and block still be restricted from water. 0L displacement outboard when hit the scales at 225 Hp. Took it to the lake yesterday and a couple of minutes after starting, (still on trailer) the alarm goes off. Selected Option: ⚲ Hover to zoom. 33 4 In Stock. Place a thermometer in the water and slowly heat the water. 5PSI. I tried by pushing a wire connector on it but Keep your Mercury Outboard Thermostats & Temperature Senders in ship shape with the help of PartsVu. Understanding these issues and their solutions can save you significant time, money, and frustration. Buy It Now. Level 2: An expert who has achieved level 2 by getting 100 points I had a 1987 2 stroke Mercury 40. Fast forward to the early 1990's and outboard motor emissions were Mercury Marine Engine Temperature Sensor - 889575 Fits: 25 (4-STROKE) SN: 0T980000 THRU 1B344298 30 Carb (3 CYL. can not find anything that regulates water temp( no thermostat or poppet valve). Air temp sensor should be checked with an Ohm Meter with a Cold Start Ignition Test. 61 ) SKU: 78799 UPC: 745061179653 Condition: New Availability: Special Order Item I have made a video of a common overheating problem with mercury and mariner outboards. MERCURY Temperature Probe 30 and 40Cv 2-Stroke 2-Cylinder. In Stock . Email a friend. Very annoying! This happens when at rest or underway. nicedoggie New member. You need to retain the standard mercury outboard temperature sensor location and mercury outboard temp gauge wiring carefully. Returns: 14 days returns. 2000 model 40hp mercury sudden constant alarm Ditto the temp sensor. 18-7668 - Sensor, 854445 [ More info] $84. It had a wire that is held on by a nut. Mercury Optimax DFI 200 225 HP Plastic Intake Temp Sensor Temperature 858535. That tan/blue goes to a much simpler button type sensor than what you require for a temp gauge. Model ELPTO Would like wiring diagram for connecting control box cable end to engine, and to dashboard The sister engine to the 40 Hp was the first 6 cylinder 60 Hp outboard which was considered by many to be the most powerful outboard of it's time. My first time out, the overheat alarm started sounding after about 15 minuets of running (beeeeeeeeeeeeeeeeeeeeep). barefoot_maumee New member. (The original drawing contained some notations of wire color that were We recommend the use of Mercury or Quicksilver NMMA FC-W certified synthetic blend 25W-40 4- Stroke Outboard Oil for general, all-temperature use. For Mercury Mercruiser I bought a used 40hp 1996 Mercury Mariner (4 cy) ? Serial No. USD; CAD GBP AUD Nigerian Naira Mercury New OEM Temp Temperature Sender Sensor Sending Unit 78799 Mercury Marine / Mercruiser. com, which specializes in the online sale of mechanical spare parts, Temp sensing wires would be tan or tan with a blue stripe and go from the engine back to the control box to ground one side of the alarm module. Buyer pays for return shipping. $30 off $300 with code About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Buy Mercury New OEM Engine Block Temperature Temp Sender/Sensor Unit 974651; 97465 1: Coolant Temperature - Amazon. It hasn't moved since. I have a 2004 Mercury 200-HP EFI Saltwater edition outboard. When it comes to nautical spare parts and marine innovation, Mercury has established itself as a benchmark, combining reliability with technical advances. They are none to go bad. 56 (You save $6. 40hp EFI 4 Cylinder - 4 Stroke. You can make a 2 1/16-inch hole—or Buy MERCURY OEM TEMPERATURE SENSOR - 8M0148668 FREE Shipping on qualified orders - Boats. Parts for Mercury Marine V-200 HP (EFI) Detonation Controller / Temperature Sensor Revise Search: All Models > V-200 HP (EFI) > 0G303046 - 0G760299 (USA) > Detonation Controller / Temperature Sensor Re: temp alarm stays on continuously 1996 40hp mercury Pull the t-stat and check that it and carrier housing are not clogged as this will cause engine to overheat. No idea if it is common for these sensors to go out or if I just had a lucky motor. $47. #19: 889575: SENSOR ASSEMBLY (1 required per assembly) 889575 - Replace plastic cap after installation. 1C453840-Up . 17 $100. It's my understanding that if you short the tan wire connection at the bottom right of the engine to ground the horn should go off if everything is good. I'm now looking at the temperature sensor and will take the boat out soon to determine if it actually is overheating. you will need a thermomelt stick or a temp gum. Engine: 1996 2 stroke 4 cylinder 40 hp question: I'm trying to determine if my motor came with a temp sender I could tie into as I try to install a temp gauge. MSRP: $107. Saw Mercury Mariner Outboard Forum . to/2gzcLTTToday I'm installing a aftermarket temp gauge on a 1990 Johnson evinrude 70hp outboard boat motor. Where is the temperature sensor located in mercury marauder 4. If I run her for 10 min, it starts to buzz i've tested the water coming out of the pisser and its never g 13536A14 Sensor Assembly Temperature This is a genuine Mercury Marine factory OEM part, not aftermarket Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions Page 14 SPECIFICATIONS Mercury/Mariner 40 (4-Stroke) Place the engine coolant temperature sensor in a container filled with water. Menu. $30 off $300 with code 30PREDICTABLE. shipping. Close. If so would greatly appreciate your help in determining location and color. GTIN: 745061715790 . I have a 1995 mercury outboard 40 hp tiller handle. Find Temperature Sensor Assembly Starboard) - 13536A14 here. " If the warning continues to operate, replace the ICM. water lines seem to be clear because the motor pees and does not overheat when i run it in the yard on muffs and hose, but when i put it in the water the pee $40. Re: Mercury 40 hp alarm hello<br /> a steady tone indicates an overheat. Visit our website!https://www. My question is, is it possible to install a temperature sender in the engine's cylinder head? Because i want to keep track of my engines temperature. Six-inch pounds of spin is enough. Mercury Optimax DFI 200 225 HP Plastic The air temperature sensor on the Mercury Marine EFI 150, 175, 200, 225 Pro Max, 300 X and Racing (ROS 260, 280, 300 Drag, S3000) EFI 2. Back; Mercury, Mercury Hi glen, when swapping engines from a 60 HP to a 115 HP on your 2008 Mercury 115 EFI outboard motor with serial number 1B708927, you've noticed a sensor on the left side of the engine block. Can this be the oil alarm? Boat runs great - if there is water in the oil, what are ramifications/problems. Skip to . That's not easy, and I wouldn't go that Customer: 96 40hp mercury alarm is continuous with key just turned to the on position. ), and 70 to 125 HP and 1993 and newer Force outboards (Force models must order sender FA299791) All Mercruiser gasoline engines. Pull the bulbs straight out Mercury Marine has introduced its outboard motors lineup named Verado, which contains all-new 250, 300 & 350 HP outboards for the ultimate boating experience. Page 38 5. Sep 4, 2007 #1 "Recently, when replacing the "Recently, when replacing the water cover jacket, the temperature switch wire lead broke off so that all that I have to work with is a 1/4 inch "stub". The tank usually has to Okay guys ive got a Ranger R72 with a Mercury 115HP outboard #OG101672. The Boat Motor 855967 858535 889575 8M0214984 Temperature Sensor Assembly for Mercury Mariner Outboard Engine 30HP 40HP 50HP 60HP 4-Stroke/ F40-05000400 for Parsun HDX F40. 69 $ 38. to/2RvdOSmOutboard En Mercury-Mercruiser 805218T Sensor Coolant Temperature genuine factory part not aftermarket. 3000+RPMs no issues, slow cruse A Mercury SmartCraft System instrument package can be purchased for this outboard. Contact Us. It didnt have any float in the motor oil tank. Re: Normal running temperature of outboard engines? Trust me, on at least the V6 motors of the late 70's to early 90's, even on lower HP motors of that time frame. The pee tube is working fine. My Garage 0 My cart. X. )(4-STROKE) SN: 0T409000 THRU 1B226999 30 EFI (3 CYL. Below I give some advice on the operation of the Mercury outboard engine WARNING HORN or AURAL ALERT SOUNDER as used on many Mercury outboard engines, particularly c. 0 Liter, 2. Selected Option: ⚲ Hover to zoom ⚲ Hover to zoom ⚲ Hover to zoom ⚲ Hover to zoom ⚲ Hover to zoom. i fished a while as i waited but every time i Mercury New OEM Temp Temperature Sender Sensor Sending Unit 78799. Tell me a bit more about what's going on so the Marine Mechanic can help you best. com FREE DELIVERY possible on eligible purchases. Mercury Marine Parts Lookup Drawings. Hopefully this is my final update on my Mercury 40 4-stroke. The Marine Mechanic I'm going to connect you with knows all the tricks and shortcuts. 1C453840-Up. Jun 21, 2017 #1 I am having trouble diagnosing what is going on with my 1997 Mariner 40HP. to/2JFZYtEor another link:BRP SWITCH AY, TEMPhttps://amzn. Going to do the splash test and use an ir temp reader. I have oil and gas and it runs. The Marine Mechanic I'm going to connect you with knows all the tricks and 8M0148668 Temperature Sensor This is a genuine Mercury Marine factory OEM part, not aftermarket Please check our current stock level and order below. OG465134 that is stuck on the back of a 16? Bass Tracker. Part #: 8M0148668 . Mercury Engine Fitment Guide. The motor is in fantastic condition, new power head, stator, power pack, plugs, etc. For added protection and lubrication, Mercury or Quicksilver Premium Plus TC‑W3 2‑Cycle oil is recommended. Sep 3, 2012 #1 Was watching my temp gauge while running my motor in the driveway and noted it went from 145 degrees all the way to the left. Even when I start the motor from cold. Part #: 13536A13 . Regular maintenance and prompt addressing of any problems will ensure that your engine continues to provide the performance you expect, leaving you free to enjoy the Looking for help in solving my overheat alarm. The gauge and sender were bought off The world of outboard engines is vast and filled with numerous brands and models, but one that notably stands out is the Mercury 40 HP 2-stroke engine. Add to compare list. Measure the MERCURY OEM TEMPERATURE SENSOR | 8M0148668 . Add to list . (the one with the dual top cowlings). Manufacturer part number: 8M0148668. Main content About this item About this item About this item Buying options Compare with similar items Videos Reviews Keyboard shortcuts Search. MERCURY air Re: Mercury 40 HP 4 stroke alarm Depending on your thermostat temp The do sell different tempatures but I,m thinking as long as your not overheating to change out the sensor itself. Is it possible to verify oil is getting to the engine and if it's not, what is the timeframe before damage to motor? How do I Find Temperature Sensor - 8M0148668 here. If you use an eBay shipping label, it will be deducted from your refund amount. Then, you’ll need to make a hole on the outboard motor that’ll fit the size of the temperature sensor. But people often particularly ask whether the Verado 300 are reliable enough? Reportedly, the Verado 300 outboard contains exclusive features for delivering excellent acceleration "1990 Mercury 90 HP o/b: on s "1990 Mercury 90 HP o/b: on starting engine, the alarm is going off (steady beep). I assumed [the alarm sounding was to indicate] the low oil Mercury-Mercruiser 891663001 Temperature Sensor Assembly genuine factory part not aftermarket. On Laser EFI motors, look under the Fuel Pressure Regulator. Search. Reference 787994 . 2 out of 5 stars 31. Verado outboards equipped with analog gauge interface (AGI) I have a 2000 40hp Johnson 2 cyl. Discover the ultimate in marine precision with Mercury Mariner. It will sound the horn around 160-180F. This sensor measures both the pressure and temperature of the engine oil and sends a signal to the ECU (engine control unit). ), 45, 50/60 (3 cyl. Condition is New. It was always the block temp sensor or whatever the official name is that went bad. timebandit Advanced Contributor. 4. Recently, the continous tone or horn starting blaring [when the motor is running at about] 1,200-RPM, after returning back from about 45 minutes of higher speed running, 4,000-RPM. 95. WATERLONG 8M0148668 Pressor Sensor for Mercury Outbodad 30-300HP. Personal menu. Apr 27, 2009 #3 The oil level sensor is known The oil level sensor is known for false alarms. quicksil Coastal flush units require the 12415A2 temperature sender kit. Back; Mercury, Mercury I have a '94 Mercury 60 hp outboard. sensor. *ACU and PCU only. I have narrowed it down I think to the temp. Offering discount prices on OEM Mercury Marine parts for over 50 years. 0 Liter 2-stroke V6 outboard engines is a Nous voudrions effectuer une description ici mais le site que vous consultez ne nous en laisse pas la possibilité. (13. You can do that test. <br />If you want to measure metal head temps, you're going to have to find a spot that will allow you to insert the sensor to a point that it will make contact with the head. flat $4. 5 ft) boat with a 4 cylinder 40hp mercury ELPTO motor. It is designed to sound the alarm if the pressure falls below 2. Anonymous . 6L 2003. Whenever I trim up past a certain point the warning horn in the control box goes off. Use the Contact Us form at the bottom of the page for any questions . Mercury Marine Engine Mercury Marine 40 hp (2 cyl. One of the least appreciated components of an outboard motor is the lowly thermostat. Page 1 25 / 30 EFI & 25 EFI Jet S E RV I C E MA N U A L; Page 3 NOTE: Indicates information that helps in the understanding of a particular step or action. )(4-STROKE) SN: 1C109093 & Up 40 Carb (3 CYL. 6 out of 5 stars 13. my motor has been overheating. If Mercury or Quicksilver outboard oil is not available, substitute another brand of 2‑cycle outboard oil that is NMMA Certified TC‑W3. We must tighten up nuts on the back clamp. Does not include aftermarket or Crowley Marine branded products. The overheat sensor is anywhere from 240F to 285F in some cases. net There is an overheat warning horn (alarm module) on your motor. I was unable to find any video’s at the tim While the Mercury 40 HP 4-Stroke is a reliable and robust marine engine, problems can occur. )(4-STROKE) SN: 1B227000 & Up 40 EFI (4 CYL. 90 HP Merc yr. K. Shipped with UPS Ground. Underneath the cylinder head . )(4-STROKE . Located left of the top cylinder - same thing - if it has zero resistance even cold, it's shot" Reply. Show Printable Version; Email this Page Subscribe to this Thread 02-26-2019, 12:09 PM #1. There is a A quick cleaning of the threads and it works again. This manual has been written and published by the Service Department of Mercury Marine to aid our dealers’ mechanics and company service personnel when servicing the products described herein. The dealer says it has about 130 hours on it. $24. 40 HP Mariner Overheating. $38. Model ELPTO Would like wiring diagram for connecting control box cable end to engine, and to – Answered by a verified Marine Mechanic 90 HP Merc yr. Since this is a new to me motor I'm gonna put a impeller in it and see if that fixes it even tho it's 120 F degree thermostat for select Mercury 40 hp through 60 hp 4-stroke outboards (s/n: 1C050252 and above) Calibrated for proper cooling system temperature response. Guaranteed product fitment; Exact OEM part in new condition; Easy, No Hassle Returns; Authorized Dealer; See Full Details . Jump to page: Results 1 to 20 of 42 Thread Tools. Link to O mercury optimax 225 temp sensor alarm; Thread: mercury optimax 225 temp sensor alarm. Drill four mounting holes using a 17/32 in. Thread starter barefoot_maumee; Start date Jun 21, 2017; B. 08 . Filters. It is full of two stroke oil, fresh gas. 2000 and older two-stroke-power-cycle models. The circuit is shown in a pictorial wiring diagram below. 00. The problem is when shortly after I throttle up to about 3/4 to full throttle my over heat alarm begins to sound (continuous beep). Thread starter nicedoggie; Start date Sep 4, 2007; N. Please ask if you are unsure if this part will work fo Customer: Johnson 40 hp 1991 enginge overheat alarm sound continosly, even at cold start up Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. T. After removing the cover I was able to clean the threads out with the tap and install a new The owner has had an overheat alarm, but the engine was not "hot" to the touch. 59 SAVE 16% . Fast shipping - Click here to see live inventory status. $50 off $500 with code 50PREDICTABLE. that goes into slow mode. 49 10+ In Stock. Starts fine but after running between 10 and 30 minutes the RPM's (and speed) drop off, then resume, then drop, etc! http://amzn. This sensor measures the Metal temp of the head just near one of the top cylinders. could be an actual overheat, could be a bad overheat switch and it could still be a failed alarm module. A few of the functions the instrument package will display are engine RPM, coolant temperature, battery voltage, fuel consumption and engine Mercury or Quicksilver Premium TC‑W3 2‑Cycle oil is recommended for this engine. I disconnect the lead from the temp sensor in the head and the constant alarm Find Assembly Sensor, Temperature (PORT) (2-WIRE) - 13536A13 here. The friend ordered a new overtemp sensor but what he got appears top be a temp sender for a gauge rather than the overheat switch. 60 Hp 40-50 Hp a - Special Bolt (10-90041) Torque to 20 lb. meaning if it goes off before then it is shorting out Customer: I have a 1995 40 hp Mercury outboard, remote start. Additionally, we’ve highlighted the In this DIY, Steve troubleshoots a faulty engine temperature reading on his gauges by replacing the sending unit on the engine. Incorrect fuel pressure: Can be caused by a bad fuel pressure regulator, or restricted return. I had a problem with the overheat alarm going off that started after a 6 mile run up the lake about 2 weeks ago, it subsequently started to go off as soon as the key Mercury MerCruiser Sterndrives & Engines . From the manuals that were available for viewing on this site, there 854445 - MAP Sensor Manifold Absolute Pressure [ More info] $127. After breaking off the sensor again I ordered a thread cleaning tap from Snap-On. I can’t find the exact colors you are talking about in the service manual for my Mercury 40 ELPTO. Click here to Register; Log in ; Wishlist (0) Shopping cart (0) You have no items in your shopping cart. Temp Sensor - knowing when it's bad? Thread starter scarpint; Start date Sep 3, 2012; S. Good water flow, I can put my hand on the engine after running, tested the thermostat (working correctly). There should be no reading until it hits the overheat temp. 2. Turn the key switch on. shift + Customer: ALarm going off on mercury 40 hp outboard - serial number 06297359 - I think 1996 - 2 stroke, 4 cylinder. It used to just beep once when starting to verify that there was oil in the tank. Part 12. Currency: Engine power is limited to 10% of maximum (Approximately 2000 RPM) MAT/ECT Temperature Sensor See Graph Section 3B - EFI Manifold Absolute Pressure (MAP) Sensor Resistance See Table Section 3B - EFI Fuel Injector How to repair or replace your outboard thermostat Mercury 4-stroke outboard thermostat hacks and tricks for repairing and cleaning your thermostat. To install the temperature sensor, first, remove the head bolts on top of the motor. 3. Add to wishlist. View Profile View Forum Posts Private Message Member Join Date Jun 2017 Removed from a Mercury Outboard 40hp - Inline 2 cylinder Two 2-Stroke Oil Injected Part #'s Temperature Sender: 78799 4 Retainer: 44552, 889733 Item Condition and Notes: Good Working Condition Please Inspect Pictures for condition Yours should look like this one. If the recommended Mercury or Quicksilver NMMA FC-W certified outboard oils are not . Mine would start beepjng every other year or so. It's not an easy job and will take some hours to complete if you need MERCURY OEM TEMPERATURE SENSOR | 13536A13 . ) cylinder block and thermostat parts. 00 $ 24. If the engine overheat warning does not activate when you turn the key switch This video describes the location of the 3 water screens that exist on the Mercury 4 strokes (250) in this video. Sounds difficult? Actually no Come and discover the MERCURY 30 and 40Cv 2-Stroke Temperature Probe, reference 787994, on our site piecesbateaux. Model. . The most likely culprit is the PPT (pressure/temperature) sensor. What could be setting it off? I think that the rev limiter and temperature sensor are **PLEASE SUSBSCRIBE** Every little bit helps for a small kickback!I made a video to help understand how a temperature sensor / temperature sending unit works Oil pressure sensor is located directly above the filter, it has one wire attached. Luckily, replacement sensors are readily available and relatively easy to install About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Temperture sensorI have Mercury 50 hp 2 stroke serial #OT455207 . If yes, where do i I will try to explain this the best i can. scarpint Petty Officer 3rd Class. I immediately checked the water pump stream, and it is good and strong. Fast forwarding 40 years marked another milestone for Mercury Marine when they introduced the first 3. The motor is a 1996 Mercury "Classic", 40 HP, 4 cylinder, 2 stroke; serial is 0C268772. while the alarm is sounding check the temp of Mercury Mariner 1994 40hp temperature switch. $40 off $400 with code 40PREDICTABLE. 69. first you have to recreate the alarm condition. so I check thermostat which is O. I immediately stop engine and check motor temp by placing hand on head. I have replaced the impeller and thermostatmy temperature sensor alarms at low speeds but never at high speeds. opt + / Cart. Add a Comment; More. Fits: Mercury/Mariner 25 - 115 FourStroke, 225 FourStroke, 40 (3 & 4 cyl. Unplugged low oil sensor and over heating sensor still happening Mechanic's Assistant: Have you checked the battery voltage and connections to ensure they are in good condition? Customer: New battery but I can check the voltages Mechanic's Assistant: Is the alarm coming from the control box or Oil alarm constant on your Mercury outboard, yet your oil tank is full? Here's how to fix it I am the proud owner of a 1990(?) 115 hp Mercury 2 stroke. Hi all, did a search and came up empty. My Account & Order Status. I couldn’t get the tap started but I noticed I had some clean threads on the back side of the exhaust cover. Print this page; Share this page; Answer This Question 2 Answers. 833-545-3222 USD . SPRING SALE: 15% discount on all OEM parts! Unless prohibited by manufacturer. I found a TAN wire on my 90 hp Merc EFI outboard, but where do I find/install a temperature sensor? Any help appreciated. Maybe yours does. 40hp EFI Jet 4 Cylinder - 4 Suspect the engine overheating sensor is faulty if the engine is not overheating, but the overheating warning is operating continuously. Free shipping $149+ I just purchased a 2007 pontoon boat equipped with a 40 hp Mercury outboard. If I bring my throttle I have a 2006 90 h/p Mercury It sounds your temp sensor, like the oil sensor is a beep beep and the temp is a steady tone on mine. Durbijd. mint condition. 4 Liter, 2. If SAE 10W-30 oil is preferred, use Mercury or Quicksilver NMMA FC-W certified 10W-30 4-Stroke Outboard Oil. It is cool. Sometimes I could get the I recently purchased a 1991 spectrum 1706 (16. See all products In the same range QUICKSILVER. )(4-STROKE) SN: 0T409000 & Up 40 EFI (3 CYL. Condition: New New. <br /> its now time for some careful troobleshooting. If this sensor fails, it can cause your outboard to continuously beep. Email ; Facebook ; SMS ; Copy Link ; Add to list . I mix my own oil/fuel (I don?t trust oil pumps), so I disconnected the low-oil alarm at the bottom of the oil reservoir. just one continuous long alarm going off Mechanic's Assistant: Sometimes boat issues seem like they'll be really complicated, but end up being easy to fix. Joined Aug 25, 2008 Messages 89. If it happens when you turn on the key it Johnson/Evinrude/OMC Engine Temperature Head Temp Sensor Sender: https://amzn. Page 1 of 3 1 2 3 Last. Availability: 107 in stock. But it goes away as soon I trim back down. Serial Number Range(s) 35hp EFI Jet 4 Cylinder - 4 Stroke. Now this motor comes without a temperature sender, only a temperature switch. Priced as marked. It maybe full of sand, id recommend clean it out, change temp sensor and try it! I just had to have Re: Temperature Sensor, 1990 60hp Mercury Your options are simple and complicated Depending on what you want to measure. This sensor is likely the engine temperature sensor, responsible for monitoring the temperature of the engine block and providing information to the engine control unit (ECU). The warning horn (alarm) goes sounds constantly. $39. 5 Installing Outboard 40-50 HP mm) drill bit. 5 Liter, and 3. My main concern is I am not hearing a I'm concerned that somewhere in the overheat sensing system, either the sensor itself or the wiring, that something is not working. Temp sensor is located just in front of the Thermostat. Buy a genuine Mercury Quicksilver or aftermarket part. 00. Known for their reliability and performance, these engines have I recently put a 2002 Mercury 40-HP two-stroke motor on my 13-footer. It's definitely not the horn itself because if I put 12 V on the horn it beeps. Water coming out of the tale tell does not appear to be hot and I find 45 bucks to replace this sensor extremely high for what it is. Skip to content. Add to Cart . Boat Motor 889575 Temperature Sensor Assembly for Mercury Mariner Outboard Engine 30HP 40HP 50HP 60HP 4-Stroke Outboard > Engine: 30HP 40HP 50HP 60HP 4-Stroke > Replaces Temperature Sensor Part OEM Number#: 889575 > fit Mercury Mariner 889575 Temperature Sensor Assembly > If you are unsure, please provide your engine serial number. sensor and it ran fine, still could put hold hand on engine. Buy Boat Motor 855967 858535 889575 8M0214984 Temperature Sensor Assembly for Mercury Mariner Outboard Engine 30HP 40HP 50HP We’ve explored the layout of Mercury outboard engines, key components, and common sensor placements, offering guidance on identifying temperature sensor locations visually. Disconnect the sensor and turn the key switch "On. It kinded sounded faint and like it was cutting in and out on sound (was a constant on beep)So i shut off engine and let it cool. fjapoa hkzqrn pkbh xtkxi qxls tqc imocvtpd aehqyu auqdhb ixozmr krcb vdhgpwd aatwexna lhyxli pnrozm