26
Jun
A spray-in engine cleaner according to Mercury Marines sales information Power Tune is a blend of solvents and oil designed for combustion chamber deposit removal The process for application is similar to that for using fogging oil when preparing. When cleaning with the engine off you must remove the air cleaner and clean carburetor from the outside as well as the.
Used as directed it is excellent for keeping the carb cleaned out if it hasnt got totally gummed up yet and I also use it to void the motors of fogging oil etc when bringing them back to life after winter storage - it does a great job of cleaning out the cylinders and exhaust as well.
Mercury outboard motor carburetor cleaning. Remove the large brass screw from the side of the fuel bowl on each carburetor bank with a flat screwdriver and drain the fuel from the carburetor. Use a clean shop rag to absorb the fuel as it drains from each carburetor bowl. Use caution when removing this screw as the steel screwdriver can easily deform and destroy the screw head.
Carb cleaning on my 1995 Mercury 8 hp 2-stroke. Before cleaning the motor would stall when put in gear and would stall when the choke was disengaged. An excellent way to clean an outboard carburetor without removing would be by using the Berryman B12 Carb Cleaner.
First blend 4 oz of the B12 with a full gasoline tank. Use a funnel to pour the B12 carb cleaner into the tank so the paint isnt ruined. The first job was to remove the float bowl from the base of the carburettor.
Note the screw with the spring which can be seen at the top. This is used to drain down the bowl when the carburettor is on the engine. The bowl when removed can be thoroughly cleaned of any debris or residue.
Merc produces a product call PowerTune which is sprayed directly into the throat of the carb. Used as directed it is excellent for keeping the carb cleaned out if it hasnt got totally gummed up yet and I also use it to void the motors of fogging oil etc when bringing them back to life after winter storage - it does a great job of cleaning out the cylinders and exhaust as well. Unblocking Outboard Carburetor Jets Video Transcript.
Hey there Dangar Stu here. So these particular techniques have been around forever used a lot on cars boats bikes whatever but its actually really handy in some circumstances. Mercury manufactures a number of outboard motors with carburetor intakes.
Learning to clean these carburetors is a moderately difficult endeavor. Various screwdrivers shop rags jet pick safety goggles compressed air and air nozzle and a carburetor cleaner. It doesnt hurt to pick up some Mercury 2 cycle oil while out getting supplies.
As weve established the primary way of cleaning outboard carbs with no removal is using a carburetor cleaner. To clean an outboard motor and carb you add the cleaner to a full gasoline tank run the motor for a bit and check the results. If necessary rebuild your carb.
In the end we hope that our guide on how to clean outboard carburetor without removing it provided you with helpful insight into. The next thing was to remove the carburetor disassemble it wire wheel brush most of the old paint and corrosion or rust off the outside. Next was to soak the frozen shafts with penetrating oil for a day.
Once all the stuck parts were free I cleaned them and soaked them in carburetor cleaner solution overnight. Cleaninmg the carbTake a couple of pics before disasemblyThen removed the carb and take it apart. The frontside has a screw that controls the airfuel mixtureRemember the setting for that screwTurn it ingently till it just stopsgentlyRemember the setting.
Use any off shelf cleanerThen use tiporafice cleaners on the jets. I also made sure that the small port or jet at the end of the cirsuit was clean. This is where fuel is introduced into the throat of the carburetor when the engine is idling.
If you look at the picture blow you can see the cleaner coming through it in a fine mist. This is what it might look like when the engine. Power Tune is proprietary engine cleaning product from Mercury Marine the outboard motor maker.
A spray-in engine cleaner according to Mercury Marines sales information Power Tune is a blend of solvents and oil designed for combustion chamber deposit removal The process for application is similar to that for using fogging oil when preparing. However there are some precautions that you must take. First and foremost you need to keep the carburetor cleaner away from electrical connections and the battery terminals.
Spraying should be done in an upright position. You should also insert the plastic tube into the valve button. When cleaning with the engine off you must remove the air cleaner and clean carburetor from the outside as well as the.
Carburetor Rebuild Kit for Mercury Mariner Outboard. Carb kits or carburetor rebuild kits are among the most frequently purchased outboard maintenance parts. New gaskets o-rings and fuel inlet needles and seats are often required to return a poorly performing motor to good working order.
Some carb kits contain floats and some dont. If the jet seems damaged replace it with a new one and put it back inside the carburetor. Motor May Experience Sputtering Or Powe Loss Issues.
Some of the Mercury 25 HP 4 stroke motor users have complained that the motor sometimes sputters or constantly loses more power than usual. The sad truth is that carbfuel injector cleaner wont clean out the gumming present in outboard carbs. You can try it but I dont think youll see much improvement over just running it with fresh gas.
Moreover you may harm that engine if one cylinder is running lean toast a cylinder. The 140s are pretty highly-tuned theres. All you need to rebuild that carburetor is a stock of 5052 H-36 milled aluminum an acetylene welding torch 5000 in parts and a machine shop.
Truth be told re-building the carb on a small outboard is actually just cleaning it thoroughly and installing a. Hi Have a 04 Mercury 75 HP outboard that was not used since 08. Put in this year carburetors very dirty had someone clean them then didnt run too well same person came out said one carb.