Mariner oil injection system If you fill the tube with oil the pump will happily pump the oil through itself forever. 32 10+ In Stock. 10 $2. I believe the oil injection pump may be shot. And make sure to use a synthetic oil that will mix with ethanol in a pre-mix system. I drained my oil resevior and plugged the oil line, and the oil in line on the fuel pump. The motor seems to run good and it is still setup with the original oil injection. i have a 89-40hp-4cyl-mariner. -----Test procedure for warning system and oil consumption is spelled out in the book. It normaly is connected to a 90 degree brass fitting. According to the manual I have,All v-6 have a variable-ratio oil injection system. I do not want to disable it. Disconnect linkage. Since I am unaware of the amount of hours on the unit I wanted to do away with the oil injection and mix my fuel to possibly save me a costly breakdown if/when the oil injection were to fail. --This means just a little bit of fuel and oil go in for lubrication and cooling. . When I got last year, ran the 50:1 mix in gas for break in. Can anyone help Mar 22, 2014 · The automatic oil mixer injects oil into the fuel line before it goes into the carburetors !!!!---So 50:1 will work just fine on these motors !!!-----The bottom 2 cylinders have very small carburetor jets for idle. What is involved in bypassing this and going to premix? Can I just pull the oil pump and remove the shaft and reinstall the pump, then replumb fuel line straight to carbs? Jul 31, 2013 · I just acquired a 1990 Mercury 40 hp outboard motor. Cylinders #1, #3, #5 only have a BLUE stripe/band. Page 209 OIL INJECTION Oil Injection Hose Installation Install the correct inside diameter and length of hose between oil pump and fittings on the engine (see chart below). 25 Apr 5, 2011 · Re: 1995 40hp oil injection buzzer Hey Max, I'll check for the bleed screw tomorrow. May 26, 2011 · Hi guys! I have a couple of questions on a 1987 Mariner 40 HP outboard. Offering discount prices on OEM parts for over 50 years. May 25, 2010 · When removing oil injection do you also remove the driven shaft? I haven't started doing it yet I'm just thinking and trying to get my game plan together. Pull the pump (no need to disconnect the oil lines) and pull the driven shaft. Am I missing a hose. i had the gas tank filled by a dock hand,only to find out later he used mixed fuel against my request. There is a hose going to gas tank and a hose going to motor. Its a 1996 model, so I'm guessing its one of the last of the yamaha based 40's (as used by the rnli) but with oil-injection fitted, to compete with the more modern outboards at the time? May 8, 2008 · Re: Oil Injection Issue, 1991 40hp Mariner Per the fogging oil I'd say a two second spray per cylinder. Insuring good oil flow on an outboard Jun 4, 2019 · Learn More About Your Boats Systems By Joining The Born Again Boating Academy! https://www. Joined Sep 1, 2003 Messages 20,066. VRO was an OMC term for their oiling system and typically had more issues than the Mercury system. Go (800) 209-9624 M-F 9-5 ET OIL INJECTION PUMP (1 required per assembly) SERIAL (#0D181999 & BELOW) 812690A 1 - Oil Pump Inject [ More info] $358. But the beeping continues. Oilers get blamed for almost every single powerhead failure, but in actuallity are probably only to blame in less than 1% of failures. The marina that rebuilt this powerhead before I bought the boat, said the only sensor on this particular engine, 1997 Merc 225 Offshore, is for oil level in the engine mounted tank. Apr 4, 2014 · Re: 2005 Mercury 90HP 2-Stroke Oil Injection Issue I have the '02 year model of that engine and yes it is hard to start the first thing and it is proportional to how long the engine has been idle. <br /><br />Posted same question here in the spring when I launced the boat. Also, what year Mariner? On my merc, the rod that connects the oil injection to the throttle broke so I have the injection ratio fixed at 50/1. I want to make sure the oil injection is adjusted right, but I haven't been able to find a diagram and instructions for this exact model. The remote tank holds enough oil for over 150 gallons of fuel at wide open throttle. "<br /><br />It is! In your case, knowing the engine history I would leave the injection system intact. "premixing sure seems like a pain in the a$$. Don't forget to mix. The oil injection was supposedly disconnected when i had purchased (01 model) the boat and all seem to go well for a few months. Mercury does make a block-off plate to replace the injection pump. "With oil injection, it is a g "With oil injection, it is a good idea to carry a few quarts of TCW3 with you. The engine smokes at idle, and is tough to start. It won't do serious damage with double oil, but no oil does real damage fast. I want to continue using it. 2. The oil injector on this model is "constant ratio" so that it al Sep 12, 2007 · Re: Bleeding oil injection system Got a better idea. com 184 Jones Drive Brandon, VT 05733 USA (800) 209-9624 (802) 247-4700 (802) 419-3055 Fax Feb 29, 2012 · No outboard mechanic. May 16, 2008 · Hello- Just looking for some info on whether or not to eliminate entirely the oil injection system on my 2005 40 hp Johnson. Feb 24, 2013 · The OMS systems are reliable and do not come with plugs to convert to premix. 42 Available to Order: Usually ships within 10 days. Jun 28, 2024 · If this is the separate oil tank with a hose going to it from the gas tank?----Then go directly from gas tank to motor. Then Plug/cap the oil lines to the fuel and oil pumps. If you suspect any trouble with the injection system, you should have enough to treat whats ever left in the tank at a 50 to 1 Ratio. Questions to everyone here. Ran fine up to Sep 3, 2007 · The mix ratio is 50:1, just get one of those cylinders w/ the gradations on it from West marine for $5. The alarm circuit is pulled to ground to sound. Dec 13, 2007 · I've got this outboard for my searider. Oil Injection System Troubleshooting Chart (Models with Warning Module) 126. Smokes a bit more but I know oil is in the cylinders!! Jun 9, 2012 · Easiest way to bypass the oil pump is with a bit of tubing. 0 Mariners EF "Twin 1996 250/3. thanks . Like if you used it yesterday, today it will start just fine. Reply. 1. Wasn't aware oil had run out. Ran oil dry while idling (trolling) - unsure of exact duration. Jul 4, 2012 · 1989 75hp 3 cyl. Why take the risk? Aug 24, 2016 · Disabling Oil Injection on 2. All carbureted Sep 29, 2004 · Re: Removing Oil Injection on 1997 Mercury 225 Offshore Thank you, Dingbat, for your input. MarineEngine. the leaking oil through the carbs at rest makes a mess. The oil alarms do not affect the running of the motor, and they are pretty Jul 1, 2005 · I went through this with my '91 Mariner 175. com 184 Jones Drive Brandon, VT 05733 USA (800) 209-9624 (802) 247-4700 (802) 419-3055 Fax Jul 30, 2011 · I realize this has been discussed numerous times, but I can't find the exact answer I need. All of the regular service has been updated. Oct 23, 2009 · Re: 1995 mercury 115 hp 2stroke oil injector alarm issues I hope you're lucky. I've been out 6-7 times, and Jul 13, 2011 · Is there a simple way to disconnect,oil injection system on a150hp mariner. If the "NO Oil" alarm sounds, immediately pour TCW-III oil into the gas tank and shake the boat side to side. -----You get 15 opinions. Buy a genuine Mercury Quicksilver or aftermarket part. Is this a good idea, and how easy is it to do. Footer. Mar 12, 2013 · The main problem, if there is one, with Yamaha oil injection systems is failure of the pump located in an indentation on the back side of the oil tank. 70 Dec 29, 2019 · Ask 10 people about oil and oil injection. The oil injection system is working fine right now but I'm concerned it might stop working and destroy the engine. The maintenance manual has an easy to follow procedure to check out the oil alert and temp alarm system. com/Get Your Born Again Boating Clothing! https:/ Customer: 1989 Mercury Mariner, 90hP engine with an 879 oil injection system. the system might be trust worthy but i dont want to find out it quit working when my motor stops or siezes up. Don't forget to plug the fitting where it used to feed the fuel pump, then mix your gas 50:1. According to the manual, this means there is a malfunction in the oil injection system. Jun 14, 2008 · Re: Help Removing Oil Injection System From Mecury 150. OIL INJECTION PUMP (1 required per assembly) SERIAL (#0D181999 & BELOW) 812690A 1 - Oil Pump Inject [ More info] $358. Sep 1, 2007 · Since some on here blew there motor from a oil injection line getting brittle and cracked while running, I figure I would check mine. Jan 10, 2014 · Re: 1998 Evinrude oil injection removal opinions please One of the most hotly debated subjects on this forum. Sounds kinda fishy. by Anti-siphon Valves” Page 103: Fuel Pump Disassembly 4. 25 Apr 22, 2011 · I recently purchased a 94' Nitro 170 with a Mercury Tracker 115. galamb Silver Medal Contributor. Then an issue developed at about 3500 RPM, engine started acting up running very rough, shaking. Gee, thanks. Is there something else that will cause the beeping signal. Your heat horn will still function because it is on a different system. It has likely been removed and you need to premix your fuel in the tank yourself to 50:1 The newer oil injection systems are known to be very reliable, whereas the older Autolube systems are May 4, 2009 · Re: Oil injection check valve 1992 200hp Mercury In short, the most likely culprit is the crankcase 2psi check valve, which provides pressure to the remote oil tank when the motor is running and relieves pressure from the remote oil tank when the motor is shut down. If it smokes at idle, this is probably why. Many of you have experienced the tank mounting bracket corroding and rusting so bad, it almost falls apart when you look at it. I would appreciate any feedback on this product from anyone who is using it or knows someone who is. It has the oil tank under the cowl. <clip> Re: oil injection removal Merc V6 only You need part number 43453 if it is available. Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. I merely pulled the pump, removed the drive gear, checked for any loose associated bushings or washers and reinstalled the pump. Looking to remove oil system and mix manually. 61 7 In Stock. Cap oil hoses (2). The blue smoke (assume from oil, could be wrong) persisted for about two minutes while the motor idled. Anyone know the procedure to do this? Can I leave the oil pump attached to the block? Just disconnect and plug oil pump lines? Will there be a warning system that needs to be Nov 13, 2008 · I am experienceing and engine overheat signal form my 93 Mariner 40 and have replaced the water pump as well as cleaned out the unit. The OMC system is reliable if kept clean/fresh oil and warning systems functional. com 184 Jones Drive Brandon, VT 05733 USA (800) 209-9624 (802) 247-4700 (802) 419-3055 Fax Mar 23, 2010 · I happen to love it and trust it completely (and my 1986 model still has a perfectly funtioning oil injection system). I would not pull the precision blend system from that yammy. I check the system every once and a while and havent had any problems. OIL INJECTION PUMP (1 required per assembly) 812690 1 - Pump-OIL Inject [ More info] Unavailable: 812690T 1 - Oil Pump Inject [ More info] $375. My motor is a 1988 merc 100 hp. While these systems are convenient, more than one engine has been destroyed by an oil injection system failure. Remove oil tank from outboard. but overall its a very rugged and reliable system that will allow for some carb leanout without scuffing pistons. i need the noise to go away and Jun 15, 2010 · Fresh Water Boat Systems; Supreme Mariner. May 15, 2005 · Oil Injection System Removal The mercury oil injection system is a popular item to remove, especially given its reputation for failure, and inability to deliver reliably after 6500 rpm. I have a hose going to the gas tank and a hose going to the motor. ---Cylinder does not fire with that little bit of fuel. Sep 7, 2007 · Re: Mercury Gear Drive Oil Injection vs. to each his own. Also for: 75 marathon, 75 sea pro, 115, 125, 65/80 jet, 90, 100. #1 : 1278-828362A 2: TANK ASSEMBLY, Oil (1 required per assembly) Jul 2, 2015 · The check valves are not working on my oil injection system. I'm not new to outboards, but i am new to oil injected models and I fear when i squeeze the primer bulb I will be putting straight gas into the system since the engine isn't running the oil pump yet. Sep 12, 2012 · Re: Oil injection system alarm NO,, totally disabling the system will not provide any warning. ----Mix at 50:1 in the tank. Bleed the line as described without running the engine as above in the preceeding reply. Thanks Tim " Nov 9, 2007 · The 1989 60hp did not have oil injection under the cowling at the motor. Aug 6, 2013 · I purchased a 1997 Johnson 50HP, Oil Injection. I couldn't find anywhere in the book the procedure to bleed this particular motor. If you need to run your boat before you get the sensor replaced you can add the appropriate oil directly to gas and when you are comfortable that the problem is fixed, just use the oil injection system. The oil [mixing] system delivers oil mixture on engine demand, from 100 to 1 at idle to 50 to 1 at wide open throttle. Disconnect warning module wiring. The gasoline is filling up the oil reservoir. Feb 8, 2011 · The Merc oil systems are very reliable after 1990 as they changed gear design on the V-6 and the smaller motors are driven off the bottom of crankshaft so less problems. The motor will start fine and pee is coming out of the tell tale. Any advice/help is appreciated. might not be the problem but have seen it happen Chris Jul 27, 2018 · I am considering removing Oil injection on a 1987 Mercury 150 xr2. i know the injector is feeding, from the sight glass when running. Locate the oil injection system on your Mercury outboard; This is usually a large, black box located near the engine; Disconnect the electrical wiring from the oil injection system Heyya! First time post after long time lurking! I bought a used boat 2 or so months ago that had been sitting for a year. Many motors have a roataion sensor on the oil pump, if the pump speed does not match the ignition speed, it alarms. i sent a request for pricing on the electrtic pump but im a lil leary of it. 0 Mariners EFI, one of them CC rotation I want to remove the oil Injection from these two old motors Just bought this old 31’ foot Fountain and I don’t trust the oil Injection system. Warning module does self test, and MarineEngine. #12 -818902A 1: OIL INJECTION PUMP (1 required per assembly) SERIAL (#0D182000 & UP) 818902A 1 - Oil Pump Assembly [ More info] $333. It will beep as soon as I start the engine. Finally, disconnect the wiring harness from the oil injection system and remove it from the engine. In my experience, that injectios system has been very reliable. Additionally, the oil float works but connects the blue lead to May 3, 2013 · Just bought a 1992 Mercury 100 ELPTO. That retains the pump driveshaft bushing and plugs the hole where the pump mounts. Is their a way to disconnect it Mariner 40 (twin carb) (w/oil injection) clamp and swivel bracket, reverse lock and mounting system parts. Feb 3, 2007 · Re: 1987 Mercury 150 oil injection problems check ware the oil hose attaches To the resivior on the motor. Electronic Oil Injection Randy, make sure you install the kit designed to keep things in place w/the oil pump system removed. #28: 25-42117: GROMMET, Oil Reservoir Screw (3 required per assembly) 25-42117 - Grommet, Oil Reservoir Screw [ More info] $4. assuming it had an oil injection system, it should get 80:1 to 100:1 oil ratio instead of the 50:1 from premixing. I have a 2003 Merc 90 2 stroke with oil injection. Feb 24, 2004 · Re: Opinions wanted 100 hp oil injected. com 184 Jones Drive Brandon, VT 05733 USA (800) 209-9624 (802) 247-4700 (802) 419-3055 Fax View parts diagrams and shop online for OIL INJECTION COMPONENTS parts, 1999 Outboard 225 [CXXL EFI] 7225434HD. The fuel/oil ratio varies from 100-1 at idle to 50-1 at WOT. FAST $4. #24 — 821045 40 — SCREW, (M5 x 40) (2 required per assembly) 10-821045 40 - Screw [ More info] $2. The remote oil tank can be removed from the boat for easy refilling. Remove gasket from Jul 13, 2005 · Re: Adjusting oil injector I assume you have a v-6. Jul 20, 2022 · I recently replaced a 1983 Johnson 115 hp that had the oil injection disabled. Other unrelated issues are:Oil gear failure which should have a beeper on systems post 1986Oil pump failure which is rareTrash in reservoir neck ports on pump housing or reservoir exit. Generally speaking, oil injection was one of the best advancements in two stroke engine reliability. #14 Jul 5, 2015 · I have a late 80's 150 Mariner. After some health issues about 5 years ago, my boat was parked in my (heated) garage and hasn't been touched since. now the low oil buzzer is on all the time and the carbs loose oil at rest. #13: 10-55515: SCREW-OIL PUMP (2 required per assembly) 10-55515 - Screw, NLA [ More info] $3. 00 per engine that is still cheaper than replacing the plastic gear which cost $2,000. Took all of 10 minutes. I have 2 marks on the lever arm and 1 mark on the pump housing. I believe the problem is electrical but I don't know how to proceed to find the exact problem. On initial startup the fogging oil smoke was very obvious, then disappated. The warning horn is making an intermittent sound constantly. His third point is wrong, conventional oil injection systems use just about the same oil as premix systems, and the emissions are the same. It appears to have a place for another hose (see picture). if you feel comfortable with your oil injection system working then just trust it. #14 Sep 13, 2004 · Re: mercury 150hp black max oil injection warning I would guess the crankshaft drive gear (made of black plastic) is probably failing and the rotational sensor is not seeing the right oil pump rpm's. Remove oil resevoir, oil pump, mag pickup, pump drive shaft, then install plug in shaft hole. I followed the fuel line to the T and seen the clearish oil tube running up, and one comming from the oil tank on the motor. Apr 3, 2018 · I have just purchased my very 1st boat i have just got a skeeter wrangler with a 1993 90hp mercury on it iam getting the oil alarm going off so iam told and i would love any info on helping me remove the oil i jection so i can just mix the oil with my gas i have a little mechanical experience Marine Solutions Mercury Electronic Oil Injection Kit 1989 1999 135 - 200 HP. This keeps the oil pump oiled. Some of the posts in those Mar 10, 2011 · Re: Low oil alarm on 1998 mariner 150 mag III Re: oil injection removal Merc V6 only You need part number 43453 if it is available. Shut it down, then restarted. Apr 16, 2005 · Remove the module and all wires,remove rotational sensor,tie back oil tank sender wires,remove pump and discard driveshaft and bushing and reinstall oil pump(for use until you get following parts), order part # 43453 block off shaft and 25-32509 o-ring and reuse your pump mounting screws(you may have to clip the long one),remove oil lines from How I delete Mercury Oil Injection 1999 50hp elpto 2-stroke WASHER, Oil Reservoir Screw (6 required per assembly) 12-42118 - Washer, Oil Reservoir Screw [ More info] $3. May 12, 2014 · Hello All, My 1994 Mariner 115 hp 4 cylinder Serial number OG101768 has an oil injection system. Oil Tank Assembly Mercury/Mariner 40-60hp 99-06 Big Foot 812718A1 | eBay Cross Reference #s: Item #: 812718T1 812718A1 812718, 8127181, 8127181. I replaced my linkage rod to oil inj pump. Contact Info. Jun 17, 2020 · Mercury Mariner Outboard Forum . Oct 4, 2024 · Oil Tank Assembly. Ran the engine back up to 5000 rpm and 1/4 mile later, engine began to bog down. Refer to Section stricted Fuel Flow Caused 8 “Oil Injection System”. Any help in making my decision easier? Mar 28, 2017 · Look at Mariner parts on Marine engine's site for 6E9-L-450120 under "search by horsepower,model number,etc". It's very easy to overtighten these plastic caps. All they do is disconnect they wires from the oil sender in the oil tank and remove the oil pump drive shaft. One of them will be for the oil level, and there is another for pump operation. Trash in oil port necks where fittings are located that restrict flow of trash compromising system. I am sure with all the research you have done that you have that info by now. Mariner 40 hp 4 cylinder [OG024229]. Southcentral Outboards Mariner 100 Pdf User Manuals. My question is, when I take the blue lead going to the oil float and connect it to chassis, the beep stops, when disconnected it beeps. <br /><br />Jerry Jul 3, 2001 · Re: 1998 Mariner 150XL Oil Injection Problem There is more than one sensor for the oil system. Hope this helps figuring out how to reconnect yours. It very rare to see a oil pump gear failure on the Merc inline motors(30-125hp) unless it has been ran overheated . Does Aug 10, 2009 · I just repowered my boat to a 1998 Mercury 115hp, My question is how reliable is the oil injection system on these motors, Or should i eliminate the oil injection and go 50:1 premix? Feb 11, 2009 · I am considering disabling the oil injection system on my '05 50 hp Merc outboard and switching over to the old "mix" system. My oil injection seems to be working very good since I bought the boat in 1999. Continuous beep is often the oil/overheat module that combines the two sensors into one wire. Cap oil pump cavity- with a shaft that holds bushing in bottom of cavity in place. Sep 30, 2024 · I have a 1996 mariner 30 with the oil injection system, I have tested this to be working fine and that's not my issue. Connect a remote fuel tank with a 50:1 fuel il Jun 7, 2001 · Re: Removing oil injection from mariner 200hp The purple wire you unplugged is the power wire to the oil module you can remove the entire oil warning system but when you turn the key on it will not self test your horn. Only Direct Injection engines use less oil and fuel. It is an unreliable system that can cause reliably destructive results such as seized motors. Apr 13, 2009 · Re: Is my 40hp Mariner oil injected? It is quite possible that the previous owner removed the system. Shows the oil pump arrangement. It just said, make sure when you disconnect any oil lines you bleed the system. My boat yard mechanic said since it has a module that it cant be done without losing the over temp alarm. So in theory the oil pump is supposed to keep the oil to fuel ratio even across the rpm range. Jun 2, 2020 · Mercury oil injection systems are extremely reliable and failures are very rare. 17 years and 350 hrs on a plastic gear is not bad at all. It should have a "No Oil" alarm as well as the low oil alarm. I routed the oil in line to the oil out line, and premix 50:1 and have been doing well on the water. The large remote tank receives pressure from the engine, which in turn feeds oil into the small tank on the engine. #23 — 44345T 3 — PUMP, Oil (1 required per assembly) 44345T 3 - Pump Assembly Oil Injection [ More info] $404. I have left the system on and functional as I dont want to mix fuel and I have a four stroke kicker. I'm leery of the oil injection being 20 years old and having read all the oil injection failure stories. Mine was leaking from the crack in the plastic cap, running down the bottom of the oil tank, and onto the clear plastic oil line. <br /><br />Conclusion was that if it worked last year, should work this year. Jun 13, 2012 · Re: oil resevoir on mariner 150 I disconnected my oil injection system. I'd like to dust the cobwebs off this Apr 2, 2008 · Re: Disconnecting 115 yamaha oil injection Hi all, Am new to this site and having a few drama's getting it to post (re:my last post) Have a quick question. My question is what oil is recommended in the oil injection system of this motor. Jun 7, 2016 · The mercury oil injection system is a popular item to remove, especially given its reputation for failure, and inability to deliver reliably after 6500 rpm. 61 10+ In Stock. On the older 2 stroke bikes the oil pump increases oil output as rpm's rise. The ones that most people remove is from the V-6 Mercs. This is not a fuel injected engine, just an oil-injected engine. 64 8 In Stock. Leaving the oil float switch disconnected will only disable the float sensor and will leave the oil pump sensor enabled. Automatic, variable oil injection makes our lives much simpler (and cleaner), but if the oil injection system on your outboard fails the result is catastrophic. Jun 26, 2008 · Re: oil injection removal Merc V6 only You need part number 43453 if it is available. #29 Nov 28, 2006 · If I understand your comments correctly, over pressurization of the oil injection system or persistant pressurization of the system after motor shutdown could be caused by a defective check valve part number #21-878105 (Refr #14 on the Mercury Parts List), and replacement of this check valve would be in order. I bought a 1990 Mariner 115 and asked the mechanic about disabling the oil injection he explained that Mercury uses a gear driven injection pump vs OMC's bellow driven pump and is much more reliable. Simply connect the oil pump "in" and the oil pump "out" fittings with the tube. -----Keeping an eye on it becomes more important if there is only occasional use of the motor. Then remove the oil components and the warning module. Aug 21, 2017 · Hi All, I've just come across a collection of several threads elsewhere on various automix (oil injection) system failures in 2-strokes, made up by an owner of Yamaha 90 AETOL who decided to shut down the Autolube system in his outboard hoping to avoid any such risks. If it has black shards on it, the drive gear is crapping out. Jul 6, 2022 · Why remove it? The oil injection on the Mercs works well. Best regards, --Jim Hebert Aug 4, 2008 · Great forum! I have a 2001 Mercury 150 XR6 carburated, oil injected engine that started beeping. 3. This is something I recommend doing on any old oil injected 2 stroke that has even the slightest issue with the oil injection system, rather than fix it and Aug 14, 2013 · Dear Forum, I own a 1988 Mercury 90hp outboard with oil injection. Jul 16, 2011 Jul 5, 2005 · i changed my oil system to pre mix-50-1. Shutdown to idle and it stopped, put it drive again and it ran rough. It works perfectly like that and it so much more convenient than premixing. or a mouse bite in the harness can ground it. Over time the oiler will save you many many gallons of oil compared to pre-mixing yourself. Looking closely at the diagram there does seem to be a spring shown in the check valve #5 which makes in appear to be oriented as you described. It all runs fine, and the oil injection seems to be working fine. some white ones in the 98 99 had some problems with cracking. The motor is beautiful and runs wonderful. Fuel Pump Removal Problem: Lack of Fuel Pump Pressure Possible Cause Corrective Action (Electric Start Model) An Anti-siphon Valve Read “Checking for re- 1. just glad i caught it before any major damage. Customer: i have a 1996 50 hp mariner outboard with oil injection. The serial number is: 0B302485. TANK ASSEMBLY, Oil (1 required per assembly) 1200-892846A03 - Oil Tank [ More info] Unavailable: 1278-828362A 2 - Oil Tank Assembly [ More info] Unavailable : 12788M0219217 - Oil Tank [ More info] $221. Aug 1, 2009 · That being said, the best way to bypass the oil injection system on a 40 is to put a recirulation line on the pump, making sure the pump and line has oil in it, then remove the injection check valve "tee" assembly from the fuel line. Here is a summary of what you need to do: Remove oil pump. Aug 16, 2013 · Hello all, I just purchased a used grady white with a 1991 mariner/mercury 150. #14: 17335A 3: ADAPTOR ASSEMBLY (1 required per assembly) Nov 28, 2006 · Re: Faulty check valves on oil injection system causing smoke? Hal--Thanks for the clarification. Search: "VRO disconnect". Yes, this is still "bad" because it means 1) you are wasting gas 2) you are not getting full power 3) you are "oil starving" the motor. Used to do a bunch of jetski, personal water craft stuff and I would always recommend ditching the oil pump and go with pre-mix. I am curious of my options and your personal recommendations. 25 Apr 30, 2008 · As we all know, having the proper amount of oil mixed in the gas of our carbureted 2-stroke outboards is critical. Jun 15, 2010 #2 Re: 2002 yamaha 150 hpdi oil injection problem OIL INJECTION PUMP (1 required per assembly) SERIAL (#0D181999 & BELOW) 812690A 1 - Oil Pump Inject [ More info] $358. You'll also need to remove the fitting that the oil tank pressure hose attaches to and plug the hole in the block. maintain it service it look at the clip that attaches the link arm to the pump. I want to disconnect the oil injection and pre mix. I have a 63G tank, so I carry 1 G of TCW-III, in case that happens. bornagainboating. the over heat switch on the stbd head feeds a signal to the alarm module. 31 1 In Stock. Seems after reading the forums that theres a lot of problems with these units and seeing I grew up on the old school of mixing the gas and oil, which is no big deal in my Oct 3, 2014 · The gas/oil escapes through the bad gasket/seal, the gas evaporates and leaves the oil behind. Nov 25, 2019 · Watched a couple of U-tube videos on how to by-pass the oil injection system on my 1993 75 hp Marine. The sequence of vents in this thread doesn't always make sense. View and Download Mercury 75 service manual online. I know this because I Mar 26, 2019 · []I have a 1986 45 hp Mariner motor with autoblend oil injection. Dec 8, 2007 · Re: 1995 Mercury 50HP- Oil Injection Pump Problem? When the pump goes bad it results in not enough oil. These setups are used on scooters, dirt bikes, street bikes, boats, and a Dec 15, 2002 · Re: how to remove the oil injection on a 90hp mariner? From a previous post:<br /><br />First, disconnect the oil line from the motor and securely cap the fitting - you don't want dirt, water or other contaminants getting in there and gumming up the operation at a later date. You can't do much harm by over oiling but you can sure ruin the motor running with a non functioning Aug 16, 2015 · sfmaster, Your motor has a very good oil injection system, It is very reliable, and tells you when it breaks. BTW, all that information is in your owner's Sep 6, 2004 · I have a 1994 175 HP that is running fine but just yesterday started the intermittent beep. Is it possible to take out the pump and just mix the gas and oil together? Lookup Mariner 40 (twin carb) (w/oil injection) outboard motor parts by component and buy discount parts from our large online inventory. Ran great the first few times. 75 outboard motor pdf manual download. To disable it, drain and leave the tank or you will have a hole in top of cowling, pull oil pump and remove oil pump shaft and reinstall pump as there is no block off kit for this engine, remove oil control linkage from carb, disconnect the 2 blue sensor Jul 6, 2016 · Re: Faulty oil sensor in Mercury 75 two stroke - OK to disconnect? The oil tank fault is normally not a continuous beep. 5L V6 Mercury Just finished de-activating the oil injection system on my 1997 200HP Merc. i think i trust the mechanical version more. Mar 26, 2019 · I have an autoblend oil injection system for a 45 horse Mariner motor and am. Wasserhund Oil system works fine otherwise. I am thinking of leaving the injection components in place and just redirect the pumped oil back into the return to the large tank. There is a reason why no one on here uses their oil injection systems. I replaced the sensor in the oil tank. You can have the system checked or plug system(20bucks) and pre-mix. Thread I would be hesitant to remove the oil injection system, I was pretty quick to blame Mar 11, 2014 · Re: 1996 Mercury 200 Oil Injection troubleshooting with pics and video I figure being into it for under $200 and still having the factory system working makes more sense for now instead of yanking it all off and then having to get the kit to plug where the oil pump drive goes and then having to mix fuel as well. Mar 19, 2009 · "Twin 1996 250/3. May 13, 2014 · Re: 1986 mariner 175 hp oil injected system I have a 90 with the built in oil tank and oil pump. In my case it was a crack in the cap on the small oil tank. 00 Available to Order: Usually ships within 10 days. It looks like there are 4 check valves in the system. ---Amazing how much mis-information is out there ! Jul 6, 2023 · Next, remove the oil pump and associated hardware. I have the mercury engine manual and have become familiar with the oil injection system. Oct 19, 2011 · Re: disconnecting oil injection on 98 mariner 200efi I was going to do that on my 135 Johnson Ocean Pro, but with a 113 gallon tank; I always wanted to fill it up, but for some reason always couldn't, so I would never know how much oil to add (I always add 2 stroke oil to a gas tank first, to get it mixed good while filling) wrong thread for me to go into great detail, but I was thinking a Jun 1, 2011 · Is it leaking oil in the cowling? This is a gravity feed system and only places for it to leak oil is from the tank or line to oil pump. Thread starter Wasserhund; Start date Oct 14, 2016; W. 33 Available to Order: Usually ships within 10 days. The smaller one on the T was very brittle and cracking. Wondering how it works. Kept trying to track down a small oil leak. Why, have no idea. I have never done one, but there is said to be an insert that goes in the hole to hold things in place. My question is, I noticed when the engine sits for a little while the fuel lines start to fill up with 2 stroke oil. -----The oil injection pump is easy to take apart / inspect / maintain. Apr 2, 2006 · Re: mariner 150 oil injection problems thanx again gss. Looks like there is a place where another hose goes(see picture). Get Email Updates. Hose degradation over aging hosesClabbering of uncompatible MarineEngine. G. I will say this. the module has a ground a 12v purple and a green from the switchbox to tell the module if the Nov 28, 2003 · Re: disconnect oil injection on 98 90 yamaha hello<br /> yep what he says. Its running a 2003 40hp Merc 2 stroke - I immediately had the carbs cleaned out after buying because it wouldnt stay idle without stalling. It used the Mercury 'Autoblend' system where the oil reservoir was in the boat. I have a 115 V4 with oil injection. <br May 12, 2010 · Engine Model, 1989 Mariner V-175 w/ Carbs. To much the chances are very good that the rod number 27 has come unhooked or broken a end the rod runs between the pump and throttle linkage and adjusts the oil mix at differant RPMs. Most Mercury oil injection pumps have a removable screw to allow the pump to bleed after you have repaired the oil injection lines (or in this case tank). 40Hp twin carb with oil injection is the one you want to look at. Running fine with maximum rpm of 5200 at full throttle. Which mark on the lever arm do i align with the one on the pump housing? I have a "clymer" manual but the manual says there are 2 marks on pump housing & 1 on lever Nov 5, 2003 · This way, oil is simply pulled from the bottom of the small oil tank, through the oil pump and back into the top of the small oil tank (instead of injecting into the fuel system). Is there one that is responsible for allowing the gasoline into the oil reservoir? Which one allows this to happen? Can these check valves be cleaned, or must they be replaced? MarineEngine. 00 per engine. Oct 14, 2022 · I have a 89 mariner (mercury) 100hp with oil injection. It is not a continuous beep, but a beep, beep, beep. This fitting has three barbs and if the hose is on the wrong barb it will not let the oil flow from the boat resivior to the motor. The oil alert, heat sensor. Oil injection OR prefix 1995 115. I have been told you can disconnect the oil injection and manually put the oil in the gas. May 9, 2004 · " I have a 1995 115 mercury outboard. I have been going through and checking out every thing I Jan 4, 2011 · Re: New Oil Warning Module issues Couple of items. Jul 19, 2004 · Re: Oil injection system Mercury 90hp What year 90 do you have?<br /><br />I have an '03 and had similar concerns. That way you won't have to worry about the mix being off. In this video, I show how the oil injection system works on most 2-strokes engines. iam afraid the system may fail. I read other posts and it Oct 14, 2016 · 90 Mariner oil injection. 95 shipping available. ----The owner of such a system must maintain the system. I'm guessing the total hours on the motor are around 150-200. Jun 22, 2017 · This video describes how to remove the oil injection system on a 1996 Mercury 40HP outboard. Jul 10, 2007 · Re: Mercury 115 Oil Injection System Can the oil injection system pump too much oil into the engine? At the end of last season I started to see quite a bit of blue smoke coming from my engine at start-up and for a few minutes thereafter. #14 Aug 4, 2024 · Got a 1996 mariner 30 elo (2 cylinder single carb with oil injection). Mar 3, 2005 · Re: 200 efi oil injection helo<br /> you dont have a flow alarm of any type<br /> the pump has a rotation sensor that feeds a signal to the alarm module, the engine tank cap has a switch that feeds a signal to the alarm module. Here's what I have: Jun 5, 2011 · I recently came across a company that sells a bolt on electronic oil injection system from marine solutions that cost $550. You'll also need to remove the fitting that the oil tank PUMP, Oil (1 required per assembly) 44345T - INJECTION PUMP [ More info] Unavailable : 44345 3 - Oil Pump INJ [ More info] Unavailable: 44345T 3 - Pump Assembly Oil Injection [ More info] $404. At idle, your pumps in twice the oil my 50hp does. When you don't know if it's getting oil from the injection system, don't even start the engine without mixing oil with the gas in the main tank. View online or download Mariner 100 Service Manual. That is what I did with my 85 150 merc. -----That Auto Blend unit should have been thrown out years ago. appears in the pic to have a ecu to control the amount of oil, another electrical component to go bad, heh. A beeping signal is going off. Motorcycles yes. The subject is rarely discussed on Mercury/Yamaha/Suzuki areas. paoz iljiasr rbmz wbyxb nfvw urozuod iuyjfv jig sdq nprre