Mercury pro xs rough idle. Re: 08 250 pro xs rough i...

Mercury pro xs rough idle. Re: 08 250 pro xs rough idle (rcooperbass9) Definitely address your fuel lines and battery. *The ACU is more sensitive than some Stock Mercury ECUs, so it is imperative that Resistor Spark Plugs are used with the ACU. It's done this since new and hasn't bothered be cuz once you give it a little gas it clears up. It's compatible with 75-300HP Mercury and Mariner 2-cycle engines including Pro XS, SportXS, Jet, DFI, EFI, and several other models. I have drained fuel system , replaced plugs and filters , checked coils and compression. Went to get on plane and was barely able to, with surging between 3000-3500 rpm, noticeable lack of power, WOT was only about 4500. 0L, 3. But even the mightiest machines can encounter issues. When I start the motor, it will idle like it normally does, and then it bogs down and drops rpm like it is idling rough. Love the boat but the motor has been increasingly hard to start first thing in the morning. When the motor is idling in gear, it runs rough and will cut off in 5-10 seconds if I don’t give it some gas. I have a 2007 mercury 115 optimax i need to clean my air injectors out can this be done at home or does it need a dealership? We used to service a lot of mercury /mariners back in the day but it was pre-optimax, pre-oil injection. Dual Mercury Master Technician - for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC. A rough idle on your Mercury outboard engine could be caused by several factors, from dirty fuel to worn spark plugs to an issue with the carburetor or engine compression. Usually once it does it idles rough for a few sec and I see more than normal smoke. Here are some of the most common problems with the Mercury 115 Pro XS Four Stroke and how to fix them. Well on my 2nd time out it started running pretty rough in idle. Idles good, and runs on plane good. I'm selling my boat and the guy buying is questioning a small rough idle once it's slightly clicked in gear. 2L, and 3-cylinder engines. 035” (35 thousandths of an inch). Motor: 6HP Mercury 4 StrokeBoat: 1 From there, John will show you how to work your way back through your fuel and air intake systems to find possible reasons for why your outboard won’t idle properly. It really doesn’t bother me that much because the idling is the only time it gives me any issues. The motor began idling rough several weeks ago and has progressively gotten to the point where on occasion the motor will stall when you try to put it into gear. Was just noticing a rough idle for first minute but now if it doesn't fire on first try it takes a continuous 8 to 10 sec crank for it to fire. It sounds like a misfire - almost like the rpm slowly drops then all the sudden hiccups and all the sudden jumps back up - and it repeats on that cycle until it stalls out. Then, the next day, it does the same but also starts losing power at speed. I have a 2012 Mercury Pro XS. The Mercury Pro XS 150 is a beast of an outboard engine, renowned for its power, performance, and reliability. Fuses are fine. Thread: 2017 Mercury Optimax 250 Pro Xs Rough Idle - Stalling When Cold Thread Tools Show Printable Version. When you're at idle (putting around boat ramp after launching) and shifting into forward or reverse the engine will stall out and die repeatedly. I have a 2021 pro xs 200 with 3 hours. My motor has 130 hrs and this spring I had a full 100 hour service. Idle speed through the no-wake zone for another 5-10 minutes. The motor shakes when the issue occurs. 1. Thermostat was causing rough idle. After burning two gallons engine wouldnt' start and smell of fuel. About 5 seconds 2023 PHOENIX 921 ELITE *NEW PRICE* $77,500 Bought new in January 2024 – Mercury warranty until January 2029 Almost every option available is on this boat! + Standard Elite Options • Mercury 250 Pro XS 4 Stoke. I have a 2006 150 Optimax with 160 hours. 2009 Optimax Pro XS 115. Thread: 2017 Mercury Optimax 250 Pro Xs Rough Idle - Stalling When Cold Thread Tools Show Printable Version Outboard dies when idling?Outboard won’t start? In this video we walk through 2 ways to fix idling issues in an outboard. It went in the shop to have a trolling motor along with 2 batteries installed and they also serviced it while it was in there. But the good news is, all the common problems that may arise with the mercury product line are easy to fix, and mercury also ensures the highest after-sale service through its wide range of dealers. Jul 23, 2022 · If you encounter the same problem with your Mercury 115 Pro XS, check the friction adjustment located on the throttle or shifter’s bottom. Always run ethanol free and quikleen. So, if you’re considering a Pro XS 150 or already own one, it’s wise to be aware of the potential problems you might face. Estimated 500 hours on motor. The Mercury 115 Pro XS Four Stroke is a powerful and reliable outboard engine that is popular among boaters. Motor May Run Rough, Sputter, Or Stall: According to a group of Mercury Pro XS outboard motor users, sometimes the motor gives a hard time by constantly sputtering or stalling on idle. Replaced fuel filter , drained VST - a little bit of water , no debris. It will do this in neutral, idle, and under increased rpm. You can see it run and I can show Been running a new to me rig with a 2020 300 pro xs. 040 said that would take care of the problem. I have an 08 250 pro xs that idles very rough (worse when warm) and tops out at 63 mph (can reach 85mph when right). Oct 22, 2019 · I have a 2012 Mercury Pro XS. Launched at the ramp, started and ran fine. Soon as I give her some gas it smooths out. THis has been such a great motor, I hate going down this road. My Opti 115 had some water issues after a fill at a remote location. Rough Starting Mercury 250 ProXS I have a 2014 Mercury 250 ProXS on a 2014 Bass Cat Eyra. Thread: 2017 Mercury Optimax 250 Pro Xs Rough Idle - Stalling When Cold Results 1 to 9 of 9 BBC Boards MOTOR FORUMS Mercury - 4 Stroke / Verado 2020 Pro XS Overheat only at idle. I’d say it happens every 10 seconds or so, and then smooths out for about the same amount of I have a brand new mercury 250 pro xs with about 10 hours now. You may need to take off the control, replace or lubricate the cables and fix the throttle friction screw. I would confirm both thermostats are clean and working correctly and, if you're putting more than 100hrs on a set of plugs in a year's time, change them every 100hrs. Aug 8, 2020 · Rough idle espically when cold. I noticed the last week my motor seems to have a miss or rough idle in neutral and in gear. Be sure to gap spark plugs at no more than . Turned around and headed back, it I have an 08 250 pro xs that idles very rough (worse when warm) and tops out at 63 mph (can reach 85mph when right). Idled for about 5 minutes while waiting for my partner to park the truck. It went from running 25 mph to barely 20 mph. Still consider myself a " Marine Apprentice " after 44 years (learn something new every day). Specifically made for 1. And temperature gets very low ( 89 to 95) at current top speed. Sep 29, 2024 · So this year when I start the boat, it runs a little rough for what seems about 2-3 minutes then is quiet as a mouse. I also noticed the primer bulb seems to be soft and I have to prime more often. Boat owners, if you're dealing with throttle issues on your Mercury or Mariner outboard, this TPS sensor might be exactly what you need. Ran the engine with a hose and cover off no fuel leakage anywhere. runs fine on pad just idling issue. Ran great for about 5 minutes, and then started making some clunking/knocking noises and got super sluggish. After stalling, it starts and idles with absolutely no hesitation but I took my boat to the Mercury service trailer at the Kentucky Lake Elite tournament this summer. Slowed me all the way to a Dual Mercury Master Technician - for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC. 5L, 2. It has new dual 12 v batteries that are fine. stumbles on start up then idles to high (1500rpm) have to shut it off until eventually it idles normal. This is the second time having this problem. When I turn the key initially, it fires, starts for a second and acts like its flooded. However, like any engine, it can experience problems from time to time. Bot Verification Verifying that you are not a robot 2015 175 ProXS, S/N 2B116597 idles really rough idle (surging from 500-2500 rpms) and hard to start. Opened up to about 3/4 throttle (that's all I really ever run unless it's a tournament). Merc tech regapped plugs to . To diagnose and fix the issue, it’s essential to identify the root cause and take the proper steps to solve the problem. It is very difficult to restart when this I've got a 2009 mercury 150 PRO XS (2 stroke) with about 500 hours on it and need some info or help on an issue it has. 5L, 3. This seems to just happen when I first start it and not after I start it again when out fishing. Temps seem normal at idle and low to mid range speeds. how do you test low pressure pump on these. I figured out high pressure side but not sure on low pressure side. On that same note- inspection of the belt, tensioner, air compressor, and air compressor pulley/bolts are certainly in order. Engine starts and idles fine. But not alwaysthis is a head-scratcher for me. He changed the thermostat and it's purring like a kitten. This article delves into Mercury ECU/ACU/PCU Rough Idle Diagnostics Common Problems of Rough Idle: Radio Frequency Interference (RFI): Most commonly caused by use of non-resistor spark plugs. When the motor is idling in gear, it runs rough and will cut off in 5-10 seconds if I don’t give it some gas. The “missing” or “rough running” happens intermittently and not constantly. No Optimax Rough Idle 06-15-2010, 09:29 PM Hello All, Just a quick question before I run to the dealer. Jul 9, 2022 · The idle time is the problem and nothing you can do to correct that if in idle zones. However, the motor runs smooth when it idles in neutral. This article delves into I'm selling my boat and the guy buying is questioning a small rough idle once it's slightly clicked in gear. One of the hard lessons "experience" has taught me is to "Always address the OBVIOUS before looking for the OBSCURE". 1b723258 2009 250 pro xs I've been chasing an idle issue with this motor for months. Turn the key and it will crank but not fire. 2017 225 Pro XS rough idle and hard start at times My 2017 225 Pro XS has begun being hard to start at times. Dropping RPM and speed then kicking back up for short periods of time. Boat gets used 1-2 times per week so gas stays fresh. Does drink a lot of gas compared to before. After about 20-30 minutes of running, it will stall out at RPM >3500. Good running 2024 mercury 300 v8, this is a 20” mechanical throttle and shift so you can use your old rigging from 2 stroke, has factory warranty, 1050 hours. But when you put it in gear and give it a little gas it almost has a skip/sputter, and when you go to take off you can still How to adjust the idle on many mercury outboards Thread: 2017 Mercury Optimax 250 Pro Xs Rough Idle - Stalling When Cold Thread Tools 11-19-2024, 11:43 AM #1 BillsBoatWorks Update. Been running a new to me rig with a 2020 300 pro xs. Still consider myself a " Marine Apprentice " after 48 years (learn something new every day). It really doesn’t bother me that much because the idling is the only time it gives me any issues Any ideas welcome. 2009 Mercury Optimax 225 (Non-DTS) Serial #: 1B752624 Motor has run flawless for 5 years I’ve owned it. Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds - BBC Sponsor bassinvol Member Join Date Update. 2005 Mercury 200L Optimax 20in Shaft 529 hours Comes with prop Hey guys 2013 opti 150 Pro xs serial #1B962471. Some mercury 115 pro xs users have claimed that sometimes the engine starts operating erratically all of a sudden. Ran the motor lastnight burned 2 gallons of fresh gas with don's cocktail. The hole shot is great, and runs smooth at mid range speeds. Rough Idling Mercury 250 ProXS I wanted to reach out to the Bass Cat family concerning a performance issue with my Mercury 250 ProXS/Eyra. Slowed me all the way to a However, some users have mentioned their disappointments because of the mentioned troubleshooting issues with the mercury 4 stroke outboard motors. 2017 Mercury 115 Pro XS w/ CT it started losing power and the RPM is jumping it keeps getting worse but not beeping or anything. Fuel System My 2020 Pro XS 175 serial # 3B003786 randomly started running rough. Fouled, or improperly gapped Spark Plugs: Causes misfiring at low RPM, where the Ignition strength is at its weakest = Rough Idle. mpozi, fxxlg, orvfc, ihb7bo, gcpw, lfwqc, r6suj, jn8ih, 0pryx, sz2tll,