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Many other components from its beefy big brother is used as well. 0 mercury pro xs 225-250 3. I flushed tank 2 times, ran one tank with mercury fuel injector cleaner. Price & Specification Mercury / Mariner F 80 ELPT EFI 4 Stroke Outboard Motor Engine Buy Best in UK F80 F75 75 CT BF. I have a 1998 model 200 EFI Mercury Serial number 0g654319, that is bogging down under load. 5 200 hp it intermittently will bog down out of hole and won't get on plane. Being a female I don't have a lot of engine knowledge. 1998 dt200 efi bogging out if its not 3000 then its something else and we can work thru it but it takes time and persistence but it will narrow it down eventually. Anytime you have an engine that is backfiring the first thing to look for is a check engine light. 1/,$%(#$%+$3&($ 4&. 83 mpg at a 29-mph cruise. Thanks for the help. American Flag Images To Print. 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Yesterday out of the blue all of a sudden my truck started bogging down, and the fuel gage went from half a tank down to E so I turned around and pulled into the gas station put 20 bucks in and started out of town againwell it didn't stop it kept bogging down especially when I would go to take offthen it took forever to get home, cause I had to go really really slow to get up a hill. Veteran Posts: 243 (104. Located under the cowl on all Mercury/Mariner V‑6 EFI/DFI outboard engines, 1996 and newer. You provided invaluable technical assistance and we solved our problem. If it feeds the wrong data to the computer such as telling it the throttle is all the way to its highest end even though the vehicle is only running at normal speed, the computer may shut down the engine to protect it from over-revving. IntelliPower™ technology instantaneously provides up to 18% more power* when its needed most in outdoor power equipment, which means less bogging down under heavy, wet loads. Use an accurate digital vacuum gauge that reads in either in. 5 200 hp it intermittently will bog down out of hole and won't get on plane. The engine will run fine for an hour or two, and then seems to bog down and smoke due to excessive oil in the gas. What did your last outboard service cost. Why Does A Two Stroke Engine Smoke So Much? But if I make the fuel richer it bogs out when I hit the throttle. 225 Gen 1 bogging down on take off We are a group of Verado owners from all over the world that encourage the free exchange of information about the Verado engine. 9 hp motors covered in this article, came into being in 1974. Have run nothing but high quality gas with stabil marine, low hours. I asked the. Now it dont jump out of the water. The lines were full of that lining. Mariner outboard 90 hp reviews Mercury 115 concerns what is the weight on a 80 115 johnson outboard how to change a mercury manual tilt trim valve Mercury Mariner. 2 mercury optimax 300xs mercury verado 135-200 l4 , 200. Search by serial number to see detailed engine diagrams and part numbers, then contact your local authorized Mercury Marine dealer to place your order. Things that have been suggested from bar stool Merc techs: fuel filter, fuel pump, fuel line/primer ball. When the next periodic maintenance is due, the engine notifies the NMEA 2000® network, and a maintenance indication is displayed on an NMEA 2000® compatible device. It idles good and revs up good in neutral and out of water. Took it out Friday, ran fine at first for 15 or 20 minutes then dropped from 4300rpm down to 3000 to 3500 and wouldn't go any higher at WOT. as soon as I stop the boat and start to take off again I have to give it throttle until it starts to bog, quickly hit the. Tohatsu outboards were originally developed for commercial Japanese fishermen who needed a motor that could run for days on end, no matter what the weather. My other mowers with 22hp or 25hp engines would go right up the slope. Mercury Powered SeaDoo Sport Boats. New To Me Mercury 2001 200 Mercury Efi Sign in Runs down the lake great starts fine, but just the rough idle. Mercury Grand Marquis Throttle Position Sensors May Fail and Cause Engine Performance Problems - 76 reports. some have mentioned plugs in the prop. So i just pulled that off tonight & tested it & it turns both ways. Mercury Marine, based in Wisconsin, has been making Mercury outboard motors in two- and four-stroke versions ranging from 2. Full text of "The Daily Colonist (1945-02-10)" See other formats. - still had problem, then checked voltage- mine would run up to 17 volts at low speeds- causes engine to shut down. And the problem I have with it is, when I first crank up, it idles fine. 2002 Mercury 200hp EFI will not get on plane. I have a 90 Hp Mercury on my Lund. Posted by Richard Miller on Apr 15, 2015. MERCURY DOWNLOAD 1997 1998 Service Manual 200/225 Optimax DFI 4 Stroke This 1997-1998 Mercury/Mariner Outboard Marine Service Manual/Repair Manual Covers The Following Models: 200HP (200 HP) Optimax DFI & 225HP (225 HP) Optimax DFI Engine. The motor required overhauling, had the pistons replaced and bored out. its alright out of the hole but when i fill both livewells all the way up it takes forever to get on plane. Exploded-view schematics of electrical-related parts are presented below. Things were looking up: I replaced the spark plug, cleaned out the exhaust, adjusted the idle / fuel screws, and even replaced the brakes (I can stop now!). My 2000 model 200 EFI regulator caught fire and. Like the title says, 1999 50 HP Merc 2-stroke losing power at wide open throttle. Back it down to 1,500 rpms for a minute or two and then give it full throutle again and the whole process starts all over again. 2006 25HP Mercury Outboard- EFI 4 stroke-2006 25HP Mercury Outboard- EFI 4 stroke- motor was cutting 1996 Mercury. Identify marine carb by Sterndrive, Engine & Year. The motor runs great for the most part. Your boat will be added asap. Boat fuel systems are unique in several ways that should really matter to service technicians. I have to then prime the primer bulb for it to start again. If it feeds the wrong data to the computer such as telling it the throttle is all the way to its highest end even though the vehicle is only running at normal speed, the computer may shut down the engine to protect it from over-revving. What does the "outboard" in outboard motor mean?. 5 mercury optimax 2. Two Stroke Performance Tuning Chapter 3 Porting and Cylinder Scavenging TODAY, when we take a look down the cylinder of a two-stroke engine, we find its walls literally filled with ports to handle the induction, transfer and exhaust phases of gas flow through the engine. Re: 2000 Mercury 200hp EFI wot intermittent problem If you are having a bog or a hesitation, and/or lower than normal rpm's, you should have the ignition tested. [I am] thinking maybe [the cause of this poor running behavior is] the stator, but I have no means of testing [the stator to see if it is the cause]. Order your Mercury Racing plug today via our QuickShop HotLine or our secure online ordering, and soon that Mercury 200HP V6 XRI EFI of yours will be enhanced right after the Authentic Magnum Boat Performance Spark Plug installed on your Inboard/outboard. You could also run a single one of these instead of, say, 200-hp twins—a single XTO on a 25-foot Sportsman topped out at 55 mph and got 2. Motor has new plugs, new lower unit oil, good compression, and good "hole shot" power, yet when the weight of the boat gets on the "drive on" trailer the motor bogs down and refuses to push boat up and into the show more Boat is 20' 93 Champion bass boat that came with the trailer from the factory. Its a slow build up over a miniute. put a new XS on it and cured the bog. 0 EFI in my 2002 Chap 240 starts fine and gets up to good high speed (3500+ RPM), the boat will plane fine and then after about 3 to 5 minutes into the ride the engine suddenly cuts down to a very rough idle speed and wile it will not shot off completely. MERCURY 200 EFI 3. Now I can't get it on a plane. changed out spark plugs (rgk lfr6A-11) changed inline fuel filter, oil filter, engine oil, lower unit gear oil. So then i figured it was the servo motor. Today I installed my lower unit after installing a water pump impeller and added the new gear case oil. As soon as the motor gets to 2200 RPM I start tilting it down slowly, If I do it to fast the motor dies and I have to start it all over. [Archive] Page 3. download pdf 2017 mercury 90hp efi service manual , then you've come to the loyal site. The lower 2 cylinders were not firing. So I have a 1997 Mercury 200HP EFI Offshore outboard motor. Now the thing is if i keep pushing the choke it will rev up to about 5000 and seem to run somewhat normally. Enjoy great priced products with fast shipping. In gear it will run at around 2000 rpm, and occasionally rev up to 3-4000 rpm for a sec, and die back down to 2k. Upon the heels of the highly successful Verado 400R outboard is its sinister competition relative, the Mercury Racing 400 ROS (Race Offshore). Curious if anyone else has the FAST EZ-EFI and if your having the same trouble as I am? Initially I thought it was a great upgrade but I have been having a continual intermittent problem of either the idle changing or it falls flat on its face and dies at stop signs. I lived with the problem for 200 hrs, then sold it and bought a Grasshopper midmount diesel. Like the title says, 1999 50 HP Merc 2-stroke losing power at wide open throttle. NOTE: Mercury DOES NOT Use Model Years For Parts Lookup. I have a 2000 Merc 200 EFI that seems to be having a TPS problem. Yamaha 250 HP Offshore Outboard. Five Tips For Hard Starting Outboard Motors. *signing up is a painful multi-step process that requires you send two e-mails to confirm but it's worth it. A simple way to test the battery terminal is to start the car when cold then immediately feel the battery terminals. /0102'&34567 "#$%&'()&*+,%-*+. 0 litre marathon. The standard jet configuration on Holleys is often the total venuri diameter, divded by 20 for little carbs like the 390 to about 18 for a 600 to 850 carb. By Kevin Falvey. The majority of recreational boats do not. Things were looking up: I replaced the spark plug, cleaned out the exhaust, adjusted the idle / fuel screws, and even replaced the brakes (I can stop now!). I run a 25 Tempest (old with small vent holes) and it's great on top end, but with the livewells full and two men, it can not get up on plane without some running to the front on the boat. Outboard Spares Response Hi, Thanks for getting in touch. Learn about this problem, why it occurs, and how to fix it. To view wiring diagrams and misc. 2003 j16 with 2016 25hp mercury efi 4 stroke with canvas cover,low hours comes with a trailer gas tank fuel line anchor and life jackets,can been seen at A-1 auto and trans on sunrise highway in Merrick. 5xs,200xs 2. Have a 115hp 2007 efi merc. *signing up is a painful multi-step process that requires you send two e-mails to confirm but it's worth it. The motor runs great for the most part. Marine Service Manuals for only $4. Mud wasps are commonly the culprit, in this situation. 2 stroke wont tilt down Evirude; 2 strole johnson outboard motor 1995; 20 hp johnson 2stroke wounld run with cover on how to repair utube; 200 E-TEC water pump exploded view images; 200 and 225 johnson motors; 200 hp evinrude e tec review; 200 hp evinrude etec service manual model E200DPXSCF; 2000 2 hp Johnson manual; 2000 200 hp evenrude hard. download pdf 2017 mercury 90hp efi service manual , then you've come to the loyal site. Hey I'm new here and desperate for answers! I'm in the middle of PCSing with the Air Force to Japan and was getting my truck ready to sell, when it started acting up when I accelerated after right after starting the engine. objectively those are great motors. I had a 98 EFI pretty much the same symptoms, changed out a bunch of components and each time thought the thing was fixed, run fine then bog down at WOT, this went on for about 6 months. We are not affiliated with Mercury Marine and accept no advertising. 2001-2002 Mercury 115 HP Service manual application: Mercury Outboard motor 01-02 Mercury 115 HP (115HP) EFI (Electronic Fuel Injection) outboard engine. Your boat will be added asap. [I am] thinking maybe [the cause of this poor running behavior is] the stator, but I have no means of testing [the stator to see if it is the cause]. [The Mercury 250-HP EFI outboard motor] seems to kick in and run well for a few seconds, then drop back down in [engine speed]. This happens at completely random times it seems, both while driving at a constant speed and accelerating. August 10, 2012. 5 mercury efi 225x 3. I just changed the high pressure fuel pump on my 1997 200 mercury efi and it now cranks right up. DOWNLOAD a Mercury/Mariner outboard troubleshooting repair manuals straight to your computer in just seconds and fix your problems now!. 2001 Mercury Salwater EFI through peak hour rather than 10 mins down the road but for $270 it’s worth the drive. No longer will boaters feel let down by a lack of features on smaller engines because these new Mariner four-strokes set new standards for the class. Mercury's focus has always been innovation, great engineering and speed. Starts fine and idles fine, but when I go to accelerate to get on plane it will bog down just prior to getting on top. yamaha 115 wont rev past 3000 rpm. 2002 Mercury 200hp EFI will not get on plane. put a new XS on it and cured the bog. If it feeds the wrong data to the computer such as telling it the throttle is all the way to its highest end even though the vehicle is only running at normal speed, the computer may shut down the engine to protect it from over-revving. If I tilt the motor up I can get the boat on plane. It did quit running at this time and I pumped bulb which felt flat(not primed). It is hard to say exactly what the problem may be. Holley® has been the undisputed leader in fuel systems for over 100 years. Mercury/Mariner 135 150 150 XR6 150 Magnum III 150 EFI 175 175 EFI 200 200 EFI 150/200/225 Pro Max 150/200/225 Super Magnum The service manual download for the above listed Mercury Outboard models describes the service procedures for the complete outboard. It runs for a few minutes and then bogs down and dies (not under load, in neutral). 07" mercury vacuum is passed by the CSV to the main diaphragm. Primer ball doesnt really stay hard during normal running ,the only reason it gets hard when you "pump" is the fuel system in the motor is full the float comes up and seals the needle valve. if you are able to put them through a thorough sea trial id say thats the only way to be close to sure. Now I can't get it on a plane. Mercury Download 2000 2001 Service Manual 75 90 Hp 4 Stroke 75hp 90hp Outboard DOWNLOAD HERE This 2000-2001 Mercury/Mariner Outboard Marine Service Manual/Repair Manual Covers The Following Models: 75/90 HP (75HP 90HP) 4-Stroke. I was told that is a $400 job so I'm ahead already ! I try to do museum quality restorations of my Mercury vintage outboards. We stock Rochester, Holley, MerCarb, Weber, Carter & Solex carburetors for MerCruiser, OMC, and Volvo Penta. Got my outboard motor serviced the other day. 5 200 hp it intermittently will bog down out of hole and won't get on plane. so i have a nissan rogue 2010og , if i am at a stop and just lightly accelerate it seems to bog down until i get over 2000 rpms, engine light is not on and it runs fine just at a stop and go is when it happens, i used a different gas station that i never used, i thought maybe i got a bad tank of gas so i put some fuel cleaner in and filled it. MERCURY 200 EFI 3. 5 mercury 280 all 2. 0L EFI) HP74. The idle speed is 450 RPM and gets me down to 2. Top 25 Reasons Your Boat's Engine Won't Start. Usually the engine will slowley cool back down after you come off plane and cruise slow for a while. Carbs have been cleaned twice. Mercury Download 2000 2001 Service Manual 75 90 Hp 4 Stroke 75hp 90hp Outboard DOWNLOAD HERE This 2000-2001 Mercury/Mariner Outboard Marine Service Manual/Repair Manual Covers The Following Models: 75/90 HP (75HP 90HP) 4-Stroke. A measurement of the injector Pulses at a set RPM can determine if the injection system is performing properly. However, I did buy a new fuel pump kit and installed it on my Mercury 90 hp outboard yesterday since I didn't really have the extra money to hire a mechanic. I changed the primer bulb. 2004 Mercury/Yamaha 4-stoke EFI 115hp EXLPT OT812944 1950hrs. The lab is climate controlled- and test fluid is monitored continuously for temperature and specific gravity to ensure consistent results. All cars made in 1996 and after are equipped with an OBDII interface. We now have a new problem. It would always restart. Raise the fast idle lever until you are idling at about 1200-1400 rpm. pdf), Text File (. I have a 2003 Ford Explorer that hasn't been idling well lately. Mud wasps are commonly the culprit, in this situation. I lived with the problem for 200 hrs, then sold it and bought a Grasshopper midmount diesel. No longer will boaters feel let down by a lack of features on smaller engines because these new Mariner four-strokes set new standards for the class. Mercury MerCruiser’s specification for the maximum vacuum measured at the fuel inlet of any MerCruiser engine is: 2 in. We are not affiliated with Mercury Marine and accept no advertising. The 400 ROS features the 400R powerhead mounted on an all-new race midsection, featuring the competition-proven Mercury Racing heavy-duty swivel clamp bracket assembly. New pump, hoses, connectors. Founded in 1939, the company now has locations around the world. 2 stroke wont tilt down Evirude; 2 strole johnson outboard motor 1995; 20 hp johnson 2stroke wounld run with cover on how to repair utube; 200 E-TEC water pump exploded view images; 200 and 225 johnson motors; 200 hp evinrude e tec review; 200 hp evinrude etec service manual model E200DPXSCF; 2000 2 hp Johnson manual; 2000 200 hp evenrude hard. Trolls down under 1 mph if you want. If your builder or dealer uses genuine Mercury gauges and controls when installing the new engine on your boat, the warranty coverage for those rigging components now matches the total warranty of your engine. This 1997-1998 Mercury/Mariner Outboard Marine Service Manual/Repair Manual Covers The Following Models: 200HP (200 HP) Optimax DFI & 225HP (225 HP) Optimax DFI Engine. Fixing my 2000 Rd King now (8-24-20120) after 14k on bike. I have a 2003 Ford Explorer that hasn't been idling well lately. 1972 Mercury 20hp (200). Then I slow troll ( less than 5mph) out of the launch area and then when I increase speed to around 20 mph it will run great for about 2 minutes then bog down or die completely. 1995 Mercury 200 HP 200 XRI EFI. This isnt caused by ethanol, but by cheap OEM sourcing by Merc. It looses power at half throttle. Is there a shear on a 1975 mercury 200 (20hp) outboard motor there is a switch with two press-on sides (up, down) or at the throttle control (obviously inside the boat ) Read More. I was trying to sell this boat a year or so ago and had ghost in the motor that would bog down. Mercury Marine has been powering boats for over 75 years. Located under the cowl on all Mercury/Mariner V‑6 EFI outboard engines, 1995 and earlier. I was out this weekend and when I was on plane running around 4500 rpm everything was great. Took it out the first time and it ran fine. But on uphill grades or higher altitude you will need to shut off the overdrive. jackplate too high? trimmed up too much? you can check your "pee hole" to see if it is plugged. I have a Mercury 175 EFI that seems to be bogging around 3k RPM. 2X™ 30" EFI WITH IntelliPower™Snow Thrower. Got a new water pump, LU oil and spark plugs. This Chart Is For Reference Only, Since Many Aftermarket Parts Manufacturers DO List Parts By Year A "0" in front of the serial number is not significant, it's a placeholder only for. yamaha 115 wont rev past 3000 rpm. 2002-2005 Mercury-Mariner 40hp to 60hp Repair Manual (4-Stroke Only) 2004-2005 Mercury Verado 200 225 250 275 Repair Manual; 2008-2012 Mercury 15 20 HP Repair Manual (4-Stroke Only) 2008+ Mercury 40 50 60 EFI Manual (Bigfoot & Non-Bigfoot) 2010-2015 Mercury 30hp 40hp Repair Manual (Bigfoot & Non-Bigfoot). Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. The Mercury 90hp 4 cycle EFI motor starts great cold and runs strong without issue. The monitor gauge will illuminate why the warning buzzer has sounded. I asked the. In 30 years of owning boats, my 200 EFI is the worst motor I have ever owned. Complete Outboard Engines. 00 kit from dealer. My son bought The Long Way Round/Down DVD set for his mother for mothers day – ah thats my boy. New To Me Mercury 2001 200 Mercury Efi Sign in Runs down the lake great starts fine, but just the rough idle. But on uphill grades or higher altitude you will need to shut off the overdrive. I have a 1998 model 200 EFI Mercury Serial number 0g654319, that is bogging down under load. Upon the heels of the highly successful Verado 400R outboard is its sinister competition relative, the Mercury Racing 400 ROS (Race Offshore). I was out this weekend and when I was on plane running around 4500 rpm everything was great. It has all new fuel related parts. However they did have an obscure replica of the Howmet Turbine car that cost $200. Full text of "The Daily Colonist (1945-02-10)" See other formats. it is bogging down because it is trying to seize up. The Mercury 150 Four-Stroke outboard was introduced in 2011, to much fanfare. Mercury's focus has always been innovation, great engineering and speed. I found an old Dinky 109 and a few Range Rovers that looked like they came out of the 5 & 10. 5 mercury 1994-2000 xri , promax 824003 a1-a32 2. /0102'&34567 "#$%&'()&*+,%-*+. Yesterday ,after fishing, I cranked motor to come in and motor would bog down when I gave it the gas. and test the fuel injectors used in MERCURY (as well as other Marine) engine applications. Mercury - Mariner Fuel Pumps, Kits & boat parts, find other Mercury - Mariner boat parts at Go2marine. It is a 99 cougar with a 200 EFI. jackplate too high? trimmed up too much? you can check your "pee hole" to see if it is plugged. I have a 2001 200hp efi mercury bogs down wont go over 5 mph. 2000 Mercury efi 200 Not rated yet I charged my batteries for a dry test the other day and both motors turned fine took for sea trial and right engine shut down as soon as I have throttle … 1984 Mercury 115 hp power trim & tilt problems Not rated yet I have a 1984 Mercury 115 hp outboard. IntelliPower™ technology instantaneously provides up to 18% more power* when its needed most in outdoor power equipment, which means less bogging down under heavy, wet loads. MERCURY 200 EFI 3. 250 air temp sensor head temp sensor removed detonation and idle boxes set timing to 22 max all new fuel lines new high pressure fuel pump and low. It's holeshot was incredible. Alarm for as much as my pea brain knows on a 2 stroke is overtempya mighta picked up some weeds ,plastic,in your. It looses power at half throttle. Don't touch your idle and let the Power Tune bog your motor down but don't let it shut it down. Starts fine and idles fine, but when I go to accelerate to get on plane it will bog down just prior to getting on top. Idle is fine but when I [rapidly increase the throttle the motor] has no power and dies down. 5 mercury optimax 2. We will replace the Rubber Diaphram on your Fuel Regulator or Air Regulator at less than 1/4 the price Mercury will charge you for a NEW RAIL!!!! Your Outboard Optimax will run like NEW! If you have the ability to Remove and Replace your RegulatorsI can EXCHANGE your Diaphrams with New ones. Boat fuel systems are unique in several ways that should really matter to service technicians. 0L EFI) HP74. PS-CV745-0004, S/N 3300602011 on a Gravely Promaster 260Z frame. The actual victor intake is on CJ centers but would KILL off idle torque and be down on average power throughout the entire curve. It cranked back up but would only idle. Next time, it'll be a Honda for me. Mercury 2-Stroke Outboard Boat Motor Service Manuals for only $4. I was on Oneida Lake on Tuesday and ran into some motor troubles. 2003 115 mercury four stroke EFI is losing power. Section 1 is a part number cross reference to assist you in selecting the proper replacement carburetor or carburetor kit. Knowing what to ask when buying an engine from Yamaha, Mercury, Honda, or another manufacturer is critical. 1972 Mercury 20hp (200). Just purchased $700. Veteran Posts: 243 (104. Identify marine carb by Sterndrive, Engine & Year. Yamaha outboard bogging out at full throttle. By Kevin Falvey. We now have a new problem. Back it down to 1,500 rpms for a minute or two and then give it full throutle again and the whole process starts all over again. 0 mercury 1998-2000 optimax 225 3. It did quit running at this time and I pumped bulb which felt flat(not primed). objectively those are great motors. Located under the cowl on all Mercury/Mariner V‑6 EFI outboard engines, 1995 and earlier. 0L EFI) HP74. BASIC TROUBLESHOOTING OF DIXIE CHOPPER LAWN MOWERS. However, once its turned off for an extended period of time, say 30 minutes, it starts fine but runs like crap. I didn't think to try squeezing the bulb when it bogged, but. A simple way to test the battery terminal is to start the car when cold then immediately feel the battery terminals. 2002-2005 Mercury-Mariner 40hp to 60hp Repair Manual (4-Stroke Only) 2004-2005 Mercury Verado 200 225 250 275 Repair Manual; 2008-2012 Mercury 15 20 HP Repair Manual (4-Stroke Only) 2008+ Mercury 40 50 60 EFI Manual (Bigfoot & Non-Bigfoot) 2010-2015 Mercury 30hp 40hp Repair Manual (Bigfoot & Non-Bigfoot). IntelliPower™ technology instantaneously provides up to 18% more power* when its needed most in outdoor power equipment, which means less bogging down under heavy, wet loads. We will replace the Rubber Diaphram on your Fuel Regulator or Air Regulator at less than 1/4 the price Mercury will charge you for a NEW RAIL!!!! Your Outboard Optimax will run like NEW! If you have the ability to Remove and Replace your RegulatorsI can EXCHANGE your Diaphrams with New ones. It ran perfect until one day It started to do all kinds of weird things. I've been having problems out of my 1995 Mercury outboard [accelerating under load]. Electronic Fuel Injection is known to get about 20% better fuel economy than carbureted engines of the same HP class. 95 per download!. It runs fine on the hose but runs rough and bogs to about 3000 rpms under load. My 2000 model 200 EFI regulator caught fire and. It ran perfect until one day It started to do all kinds of weird things. This 200 H. ** To add a photo(s) to your listing, e-mail me a. 909 Pine Lake Ave, La Porte, IN 46350 ; Call us: (219) 362-1491. I have a problem with my recently rebuilt 200 EFI Merc. However, once its turned off for an extended period of time, say 30 minutes, it starts fine but runs like crap. This motor runs awesome. Online Parts lookup, Large inventories of Mercury Mariner outboard OEM and Aftermarket parts, Same Day Free Shipping, Discounted rates. The outboard warning system incorporates a warning horn inside the boat. 0 mercury 1998-2000 optimax 225 3. Carbs have been cleaned twice. There was no missing or sputtering or bogging down it just started slowing down as if I had eased back on the throttle. 0 mercury optimax 200-250 & xs 2001 and newer 3. Mercury Mariner Outboard Motor Service Manual Repair 2hp To 40hp 1965-1991 DOWNLOAD HERE. need parts. Instant download of a repair manual for 1965-1991 Mercury Mariner 2-stroke outboard motors, rated from 2. Anyway, I had the motor wide open to see how she was running and we were just going to cruse around for a bit when all of the sudden we slowed right down to almost trolling speed. I have a ranger reata fish and ski with a merc optimax 150. I have a Kohler Command Pro 28 w/Bosch EFI, Spec No.