Mercury black max xr2

Scream And Fly Powerboat and High Performance Powerboating Discussion Forums > Main > Technical Discussion > 87 Black Max xr2. PDA. View Full ... 03-09-2012, 11:48 AM. I'm looking for a wiring diagram on a 1987 Mercury Black Max xr2. The one I have doesn't have the additional voltage regulator on it. I need to know how to wire to the rectifier ...

Original rectifier is on the top and the rectifier/regulator I added is mounted under the starter. I selected a rectifier/regulator from a newer model Merc. Works perfect and limits charging to 13.8V. Also safer if you have any electronics. chevy83m said: Hello i have a 87 mercury xr2 150hp black max. I need info on where to hook up the two ...VALVE, Throttle (6 required per assembly) 1395-6023 - Throttle Valve, NLA [ More info ] $4.00. 10+ In Stock. Revise Search: All Models > V-150-XR-2 > 4868998 - 0A904645 > Carburetor Assembly. Next ». Mercury Marine v-150-xr-2 carburetor assembly parts. Buy a genuine Mercury Quicksilver or aftermarket part.Find many great new & used options and get the best deals for mercury black max xr2 150 hp tramson left bracket 135 150 175 200 hp v6 2.0L at the best online prices at eBay! Free shipping for many products!Forum Rules. I have a 1985 Mercury 150 Black Max that is overheating as soon as you put the power to it. It will idle at 145 degrees all day but as soon as you raise the RPM's it gets hot and the alarm goes off. It does not cool down after it gets hot. It has a brand new water pump, thermostats and poppet.Trying to connect an analog Faria trim gauge which looks fairly new and came "unhooked" to a 30 year old mercury black max xr2 150 - single cylinder(on motor) unit. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. The Marine Mechanic I'm going to connect you with knows all the tricks and ...

recently the power trim system on this older boat (1987 Mercury 150 XR2 Black Max) has started to leak and the fluid is a milky red indicating water in the system. Since the water is brackish I want to drain the system asap and get the water out. The leak is at the top seal of the reservoir on the right side where the two metal pieces come ...5,617. Sep 21, 2011. #8. Re: 1983 Mercury 150 Blackmax 2 stoke Spark Plugs. Carb idle passages must be spotless, compressed air should be blown thru each to be sure. Carb link and sync, idle timing, can combine and cause low speed problems. A '9' heat range is too cold and will cause a low of low end problems.1986 1987 MERCURY 150 hp XR2 Black max oil injected decal set made for a Mercury Outboard cowling 150hp, DECAL SET BLACK 150 1986 1987 MERCURY 150 hp L: 1150412BD L, 7150412ND L. 1986 1987 MERCURY 150 hp XL: 7150422ND XL, 1150422BD XL. 1986 1987 MERCURY 150 hp EXLPTO: 1150746 EXLPTO, 7150746 EXLPTO. 1986 1987 MERCURY 150 hp ELPTO: 1150726 ELPTO, 7150726 ELPTO, 7150727 ELPTO, 7150766 ELPTO ..."Worked perfectly on my mercury v-225 black max!" Read more. 14 customers mention 12 positive 2 negative. Customers like that the fishing equipment kit comes with everything they need. They mention that it's perfect, and includes gaskets for several other drives. Customers also appreciate that it comes with 2 sealing washers for the lower unit ...1,004. May 31, 2011. #4. Re: Merc. BlackMax V150, 1987, Carb kit... Don't know what's in the kit,I've only ever ordered the gasket kits for $7 each and the needle n seats for $11 each.Maybe post your serial number on here just to make sure that model # is correct.You can ring Crowley marine and they will tell you what's in the kits. A.I thought the office was haunted. The piercing whine of a cat, or a baby, coming through the vents. A machine from the construction outside the window? Oh god, probably a dying mou...

I had an 89 150 xr4 for about 12 years and had only to replace a head gasket that I can remember. Ran good and started good. The only difference between it and the reg 150, was the lower unit on the xr4 was smaller and slimmer and cut the water better, though not as rugged. Like all large motors they loved gas.ReI have an 84 black Max 150 xr2. To make a long story short, I had an oil line sever while out one day. Didn't know that was the problem, but suddenly sounded bad, got low on power, and cut off. I was drifting toward a dam, so I got it to fire up and drove half a mile to the truck.Black Max 3-Blade Aluminum, 15.5" Dia. X 18" Pitch, Right Hand Rotation. Part number: 11324A45. Pitch: Description. For good overall performance and value, the Black Max is your prop. While Black Max aluminum propellers are standard equipment on most boats with Mercury, Mariner, and MerCruiser power, they are a perfect replacement for all ...Mercury Mariner Outboard Forum . Mercury 150 xr2 black max ... Mercury 150 xr2 black max. Thread starter gbfd10; Start date Jun 5, 2007; G. gbfd10 New member. Jun 5, 2007 #1 motor running hot and has good motor running hot and has good water flow any one have any good ideas ... I took the oil injection off my 86 xr2 because it went bad ... XL. G303046 - UP. 135. 1996. XL. G303046 - UP. MODEL YEAR CHART FOR MERCURY OUTBOARDS MODELS 115 HP - 150 HP.

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Mercury/Mercruiser/Mariner Black Max Three Blade aluminum prop 14-1/2 X 19. Includes the Flo-Torq II hub kit. More than just an aluminum propeller, the Black Max is the best three-blade aluminum prop available anywhere. And anywhere is usually where you'll find it. Whenever you need good overall performance, Black Max is there.Episode #2! Seeing if the Ol' Black Max will run and it's does not look good! Compression check was good on the port side but the starboard side... it bad. A...BOAT / RIB OUTBOARD MERCURY 150 XR2 BLACK MAX | in Bursledon, Hampshire Check Details 150hp mercury outboard 4l. 150 mercury black max outboard motor 25 034 shaftI have a mercury 150 black max that has no power under a load. Mercury max outboard 150hp 1986 1979Mercury black max 200 outboard conversion on a 1998 bayliner 2452.Hi guys, Over the weekend, I purchased a 1986 Mercury XR2 150. I have read up on the motor but, I want more specific details on the motor. For example, what rpms does it runs, the timing ignition, exhaust housing, carbs, etc. Everything that sets is apart from the 150 Black Max I replaced it with. Thanks:thumbsup: 284834About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...

Black Max 3-Blade Aluminum, 15.5" Dia. X 18" Pitch, Right Hand Rotation. Part number: 11324A45. Pitch: Description. For good overall performance and value, the Black Max is your prop. While Black Max aluminum propellers are standard equipment on most boats with Mercury, Mariner, and MerCruiser power, they are a perfect replacement for all ...Mercury 150 HP Black Max Xr2 Shift Lever/ Linkage 1987. Be the first to write a review. Planet Outboard(1217) 100% positive feedback; Price: $39.99 + US $12.00 shipping. Est. delivery Fri, Feb 9 - Mon, Feb 12 Estimated delivery Fri, Feb 9 - Mon, Feb 12. Returns: 14 days returns.I have a 1987 XR2 150 HP Serial# starts 0B*****(Don't remember the rest and Im at work, lol). I posted earlier about my loss of power under load. The boat starts easy and idles great, but won't go over 3000 rpm. Replaced all fuel line, fuel filter, rebuilt fuel pump,new plugs, and cleaned the carbs. Did notice some fuel on the air box cover.Mercury & Mariner Outboards . 1986 150 hp black max xr2 water pump housing ... 1986 150 hp black max xr2 water pump housing. Thread starter Dennis G; Start date Jul 4, 2015; D. Dennis G Petty Officer 3rd Class. Joined Sep 30, 2004 Messages 86. Jul 4, 2015 #1 This is housing I just removed. Is there supposed to be a rubber grommet or seal ...Horsepower Unleashed: The Mercury Black Max 200 commands the water with a resounding 200 horsepower. This isn't just raw power; it's a finely tuned force that propels your vessel with a vigor that's hard to match. Fuel System Efficiency: Efficiency isn't just a word; it's a philosophy embedded in the fuel system of the Black Max 200. Its fuel management system is an orchestra of ...I have a 1985 Mercury Black Max XR2 150 HP with oil injection. I suspect my oil pump is failing, but don't know how to test it. My upper reservoir is full. I disconnected the hose feeding the fuel line from the oil pump, and turned the engine over several times, but didn't see much oil.Hi, The thermostats # XXXXX are located in the top of the cylinder on each head. Thermostat p/n 75692, cover gasket p/n 62386. Tan. Category: 11,507 Satisfied Customers. 40 yrs. experience with complete engine repairs both inboard/outboard and... 2011 150 optimax overheated and went to guardian mode. Do I.Sep 1, 2009 · Re: 1985 Mercury Black Max 150 XR2. Faztbullet said: It is a combination low speed/high speed spark advance module. Take it off and throw it away as it can damage engine if defective. When you do, do a link n sync. Your WOT timing is probably at 19* now, and without the module should be at 23*. Other than that, the module advances the timing a ... I had an 89 150 xr4 for about 12 years and had only to replace a head gasket that I can remember. Ran good and started good. The only difference between it and the reg 150, was the lower unit on the xr4 was smaller and slimmer and cut the water better, though not as rugged. Like all large motors they loved gas.Black Max 3-Blade Aluminum, 15.5" Dia. X 18" Pitch, Right Hand Rotation. Part number: 11324A45. Pitch: Description. For good overall performance and value, the Black Max is …3 Power Trim and Tilt. Download this manual. for your purchase of one of the finest outboards available. You have made a sound investment in boating pleasure. Your outboard has been manufactured by Mercury Ma-. rine, a world leader in marine technology and outboard. manufacturing since 1939. These years of experience.

The Mercury Villager uses an alternator to run electrical devices in your vehicle while the engine is running. A voltage regulator maintains a constant voltage level and is frequen...

Need help with ideas on rebuilding my 150HP Black Max XR2 I have a 1886 Mercury XR2 that burned a piston slightly, it's not melted all over the cylinder wall but does need replacing. ... Measure carefully and follow basic procedures and you will be fine. Delete oil injection and use the Mercury block off kit. There is a brass bushing down ...Re: 1986 Mercury 175hp Black max - RPM Question? Coupla things. If you have an XR2, then the high five prop that fits would be even pitches, with 24 being the steepest. If it's a standard 4 3/4 inch LU then the pitches would odd, and I think 25 is the steepest. I suspect you have the large LU and a 25 pitch.Prefeitura De Rurópolis, Rurópolis. 2,553 likes · 38 talking about this · 14 were here. Esta pagina destina-se a divulgar as ações realizadas pela Prefeitura Municipal de Rurópolis - "Governo...Well, I cleaned the mating surfaces as best I could. I scraped carefully with a razor blade, then finished with a little nylon brush on a dremel. Installed the new head gasket, torqued to 30 ft-lbs in the proper pattern going 10 ft-lbs at a time. I oiled the head bolt threads with 30 weight oil. The bolts seemed in good shape (fresh water boat).Stator For Mercury 174-5456 Outboard 150 Black Max XR2,90,115,175,200 HP 398-5454A2 5454A6 9-Amp 6 Cylinder 2 Stroke 1976-1989. 40. $16700. FREE delivery Fri, Mar 22.150 mercury Black Max XR2. Been setting up for about 5 years. Ran perfect when set up. The transom on the boat went bad so I parked it. I thank it is a 85 model but not sure. Make an offer if interested.Starting a 1986 Mercury Black Max Outboard 150HP - 1979 Checkmate. Mercury 135hp black max boat outboard engine Boat / rib outboard mercury 150 xr2 black max Mercury max 200 outboard 1998 bayliner conversion. Mercury v6 max moottori nettivene twitter

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Apr 1, 2009. #3. Re: 1986 Mercury 150 XR2 Waterpump. Replacing the impeller/water pump every few years is considered normal maintenance by many, whether the pee stream is failing or not. I think that it is better to be proactive on cooling related maintenance than to wait for the motor to overheat. Others will disagree and prefer to get the ...Disconnect the extra black/yellow Wire going to the Harness (kill Wire) before testing. 11. all RED Stators WILL READ APPROXIMATELY 600-700 OHMS BETWEEN the WHITE/GREEN and the GREEN/WHITE Wires, (DVA 180V +) Mercury Outboard Red stators do not have a low/high speed winding. * Mercury Outboard replaces this Stator with the Red Stator Kit.150ELPTO. This 1987, 150 hp Mercury is made for saltwater. This outboard engine weighs approximately 378 pounds. It has 6 cylinders. The pistons have a 121.2 displacement. The bore width is 3.12" and the stroke length is 2.65". This model has a electric starter and power steering. Your engine's RPM range is important in choosing the right ...Mercury Black[2] is an antagonist in RWBY. He is a former associate of Cinder Fall and the former partner of Emerald Sustrai. His weapons of choice are Talaria, a pair of dual ranged shotgun boots. He made his first appearance in "Black and White" of Volume 1. In "Midnight", he becomes a member of Salem's Inner Circle. In Mercury's first appearance in "Black and White", he is shown to be a ...Buy DISCOUNT STARTER & ALTERNATOR Starter Compatible With/Replacement For Mercury Mariner Marine Outboard 135HP 150HP 175HP 200HP 4820540, SM48204, SM48205, 50-44415, 50-79472, 50-79472-1, ... Mercury Black Max 135 HP. Read more. 2 people found this helpful. Helpful. Report. Deborah Harris. 5.0 out of 5 stars Outboard motor starter.Apr 3, 2010 · Apr 3, 2010. #3. Re: Black Max 150 XR2 Stalls. Compression in all cylinders is 120+. 2 were 122. Spark appears to be at all cylinders. Limited testing ability there. Fuel is new. I emptied all old gas before initial crankup. I put some Mercury Quikleen in the tank before adding new gas. I have a 1986 mercury xr2 150hp black max. I have changed water pump, thermostats, and poppet valve. At idle my guage ready a little above cold. As soon as I open the throttle, the guage goes up to ho … read moreThe upper unit seems to be a 150HP Black Max XR2 #159 0-8334 D. The jack plate number is 6636823. The power head soft plug says 175. ... Trying to determine Mercury Black Max power head and upper unit serial numbers Although they all look the same, there is internal differences between carburetors. Rule of thumb is that the jetting …About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... ….

New member. Mar 24, 2012. #1. i HAVE A 1988 PROCRAFT bassboat with mercury 150 xr2 black max. had for six years, no major problems,replaced the banks two years ago is about it. Last spring first trip, motor wouldn't trim up. Have checked both solenoids. trim switch on throttle, connections, anything I can think of.Apr 29, 2012. #1. Hallo, I am living in the north of Germany and have a Problem with my 150 HP Blackmax. Ideling and starting is good, but between 1000 1/min and about 2500 1/min in gear the engine is. running rough. Without load everything is smooth. Compession is equal and within factory specifications.i have a mercury black max,. 2 stroke, oil injected outboard 150 - 175 hp. when the boat is under load and travelling at top speed (approx 30 kots) the temerature guageshows engine runing cool then wh … read moreThe motor is a 1989 100 hp Mercury. The tan wire goes to a terminal block under the same screw as the leads from the temp sensor and a tan and blue wire that is supposedly for a temp idiot light (according to the wiring harness directions). The horn sounds continuously when the motor is off or running.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Follow me on Patreon! https://www.patreon.com/BrandonsGarageThe Mercury 150 Xr2 Wiring Diagram is a comprehensive diagram that clearly outlines the configuration of your outboard motor's electrical system. From pinpointing the power source to the components that control the motor, the wiring diagram helps ensure that your boat runs safely and efficiently. Whether you're a professional mechanic or an ...Prime. 2. advance fast start lever. 3. turn switch to ON position and press in to choke, Hold in to choke. 4. while holding in to choke, crank engine, 5. VROOMMMmmmmmmm! mike halfmann. Re: Mercury 150 xr6 hard to start but runs fine once started. [ Re: Mike Halfmann the boatmann ] #3247216 03/18/09 11:03 PM.ReI have an 84 black Max 150 xr2. To make a long story short, I had an oil line sever while out one day. Didn't know that was the problem, but suddenly sounded bad, got low on power, and cut off. I was drifting toward a dam, so I got it to fire up and drove half a mile to the truck.Re: 1985 Mercury Black Max 150 XR2. Faztbullet said: It is a combination low speed/high speed spark advance module. Take it off and throw it away as it can damage engine if defective. When you do, do a link n sync. Your WOT timing is probably at 19* now, and without the module should be at 23*. Other than that, the module advances the timing a ... Mercury black max xr2, 6. Mar 11, 2004. #1. My mercury 150 XR2 Black Max had sit for about 6 months, when I cranked it I had no stream coming from the little tell-tail port. I replaced the impeller and it seemed ok. Well it sat for about another 6 months, so really maybe an hour of running during that time, and now I started it a couple of days ago, it was running ..., Mercury XR2/XR2 SS Operation and maintenance manual [PDF, ENG, 703 KB].pdf Ultimate Outboard Model Year Identification Guide [PDF, ENG, 983 KB].pdf ... 1991 Mercury Black Max 135 service manual 90-816249 needed. #282. GREGORY KEITH LITTLE (Tuesday, 17 January 2023 23:15), i have a mercury black max,. 2 stroke, oil injected outboard 150 - 175 hp. when the boat is under load and travelling at top speed (approx 30 kots) the temerature guageshows engine runing cool then wh … read more, , View Full Version : 1985 Black Max 150, where is the temp sender? stephenspann27. 03-21-2015, 09:15 PM. I stripped the motor (1985 Mercury blackmax 150) gauges, and controls from an '85 skeeter back in November. I had to strip it in a hurry. Luckily installing the motor and all the controls to my boat has gone pretty smooth so far., Joined. Aug 10, 2012. Messages. 2. Aug 10, 2012. #1. I have a 1980 Mercury 150 hp Black Max motor that was run hot due to a bad water pump impeller. After changing the impeller and test running the engine I noticed water seaping from the head gasket area on both cylinder banks., View Full Version : Mercury Tech 135 Black Max to 150 XR2. Iowafshr. 03-04-2018, 11:41 PM. I'm helping out a friend after his motor seized up when the oil line broke out of nowhere on his skeeter walleye boat. He had a 95 135 originally and we have an 85 150 2.0l to use, but I need a little guidance so I know how to go about the swap., i have 1986 mercury black max xr2 150 on my fishing boat. when the motor is cold i have fire on 1,2, but no fire on 3,4,5,6.take a blow dryer and warm motor up some and u will get fire on 3,4,5,6 and motor will start,and as long as u keep the motor warm by starting every so often the motor will start and run great.if u let motor get cold and no fire on 3,4,5,6 and motor will not start., Re: Mercury Black Max 150 XR2 Running Rough! My best guess is the high speed charge coil in the stator. It looks like it's getting fuel, but not firing above a certain RPM. A stuck float needle won't let it idle. A leaking float needle won't let it idle. A leaking float needle won't be noticed at high speed. They basically stand open at WOT anyway., Mercury 150 Black Max. Very happy with my purchase and transaction with this store! Jun, 14 2019 by Clark. 1 5 5. Easy to navigate and fast shipping . Jun, 14 2019 by Donavan. 1 5 5. QUICK AND ACCURATE SHIPMENT. Jun, 10 2019 by Robert. 1 5 5. Mariner 135 . Repair Difficulty Easy Repair Time ..., Yes the XR2 would rev between 5500 to 6000 compared to 5000-5500 of the standard blackmax. It is slightly ported, 200hp exhaust and jetted carbs. It will give you a slightly better performance then the black max engine if it is still in good shape. Let me know if you have further questions. Noel., Black Max XR2 150 HP Question. My outboard is a 87 Mercury Black Max XR2 150HP. Motor starts fine, no misses while running, gets on plane fine. My issue is when I am running, motor sounds/feels like its bogged down. Will only get to around 5200 rpm, according to the owners manual I found online, 6000 to 7000 is recommended wide open throttle., I have a 1985 Mercury Black Max XR2. It starts up great and seems to idle fine but whenever the motor gets up to about 2000 rpm it starts to act strange. ... '85 Mercury Black Max (Video Included) I'd bet that you have weak/low voltage on on side of the high speed windings from the stator, limiting spark output under RPM and load. ..., The Mercury missions were an integral step in space exploration. Learn about the individual missions that made up Project Mercury, starting with Shepard's Freedom 7. Advertisement ..., Revise Search: All Models > Mercury XR2 > 0B290314 - 0C276429 (USA) Find Your Engine. Drill down to the horsepower, serial number range and engine section to get an online inventory of original and aftermarket Mercury boat parts. We carry Mercury outboard motor parts for vintage and current model outboards., Jan 8, 2011. #1. XR2 Black Max fowls plugs. Our boat is a 1999 18 ft Triton 180 Premier. Our motor is an XR2 Black Max 150 HP. The Serial # is B176785. Our motor fowls the plugs and then it's of course hard to start and does not run really well for quite a long time of full throttle. The motor does clean the plugs or heat up enough to run well ..., Now you're ready to change the impeller. Remove the o-ring on top of drive-shaft and further down the shaft remove the thick rubber seal (it slides up) on top of plastic pump housing. Remove the bolts that hold on the pump housing. Remove parts in this order: upper housing, impeller, pump key, top gasket, stainless wear plate, and lower gasket., Re: Oil injection removal - Merc 150 XR2 Gents I finally received the plug and o-ring kit and started work on the replacement this afternoon. I unbolted the oil pump and was expecting to find a brass "sheave" and steel drive shaft from the crank to the pump. What I actually found can only be described as a nylon "drive plate"., I have been fishing it as is but it will need to be fixed at some point. Good deal for someone mechanically inclined or who has access to a parts motor. I can add cash to a trade. I'm not mechanically inclined and would rather repower than pay a mechanic at this point. $1500 OBO. (760)468-8104 call or text. Last edited: Aug 5, 2014. 0., Yes the XR2 would rev between 5500 to 6000 compared to 5000-5500 of the standard blackmax. It is slightly ported, 200hp exhaust and jetted carbs. It will give you a slightly better performance then the black max engine if it is still in good shape. Let me know if you have further questions. Noel., Are the Mercury Black Max and XR2 engines both the same and would these be a better choice of power than the older Blue Band 'Tower of Power' models. Shop . Main Menu. SHOP LOGIN; CREATE AN ACCOUNT ..., Find many great new & used options and get the best deals for mercury black max xr2 150 hp tramson left right bracket 135 150 175 200 v6 2.0L at the best online prices at eBay! Free shipping for many products!, 3.4L V6. Mercury has invested countless hours into engineering the 175 to 225hp family of FourStroke outboards, so you don't have to give it a second thought. A 3.4L V6 powerhead delivers unmatched performance and reliability, while a vibration-dampening design ensures a quiet, comfortable boating experience., Up for grabs is a nice 17′ ProCraft dual console 1780V bass boat with 150HP Mercury XR2 Black Max. This boat is very fast, and will run 60+MPH. Has all new flooring, carpet, and seats. Motor had a recent tune up including: new plugs, clean carbs, new stainless 23P prop, fresh lower unit oil, and […], Just trying to get a good ear on this motor to get an idea of how it's running., I have a 1986 Mercury Blackmax 150 XR2 on my 18' bowrider with neverending issues. I have put so much money into this motor that I am sunk at this point, unless I can figure this out, I will be forced to sell the boat at an extreme loss and try boating again in a couple years when I can maybe just buy one with a new motor which is pretty …, Mercury/MarinerEFI, 90/115 HP Command Thrust, Optimax and Verado Outboards 135-350 HP. 135-350 HP 1978 & Newer and 90/115 Command Thrust 2014 & Newer. 15 Tooth Spline. Note: Use Flo-Torq IV hub kit (#835257K10) to reduce clutch rattle on 90/115 HP Command Thrust (CT), 135-200 HP 4-Cyl Verado and 150 FourStroke., I have a 1986 mercury outboard black max XR2 150 hp. Last summer i rebulit cabs and fuel pump. It than ran ok. this year i noticed a recall on the onbaord charger, so I took it too dealer and they rep … read more, 1986 Procraft 1750 Fish/Ski Boat ** Ready for the water & summer fun** Mercury Black Max XR2 150 Minn Kota Edge 55V Trolling Motor Depth finder on dash Starter battery/ trolling motor battery included Serviced in 2012 Tune up Tilt/Trim system has slow leak but doesn't affect performance No front depth finder. There is a spot where you can put a ..., Messages. 7,474. Mar 21, 2008. #3. Re: Mercury 150hp V6- No spark on one side. Like laddies said, a lot of the time, the bad switch box (murkurese for power pack) is the one that fires, killing the other one through the bias circuit. If you remove the bias jumper,and both work, that's your problem., recently the power trim system on this older boat (1987 Mercury 150 XR2 Black Max) has started to leak and the fluid is a milky red indicating water in the system. Since the water is brackish I want to drain the system asap and get the water out. The leak is at the top seal of the reservoir on the right side where the two metal pieces come ..., Mercury Mariner Outboard Forum . Please Help 150hp XR2 Black Max No spark on 2 4 6 . Thread starter hpbaja; Start date May 6, 2008; H. hpbaja New member. May 6, 2008 #1 "I have tested the coils by sw ... "Please Help 150hp XR2 Black M "Please Help 150hp XR2 Black Max No spark on one hole side of the engine, I tryed switching lo-speed blue wires ..., We offer flat rate shipping for $6.99. Just give us a call Monday through Friday from 9:00 AM until 6:00 PM EST at (877) 388-2628. Enhance your outboard's performance with Mercury outboard carburetors and kits from Wholesale Marine. Quality parts for reliable engine function and smooth operation.