I have taken the carb off and cannot remember which hole the choke linkage is suppose to go to. I have watched two videos and one puts it in one hole and the other video the other……confusing! Any help would be appreciated!
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Look for wear marks in holes..usually one will be slightly out of round from wear.
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Pulling the choke lever provides proper fuel-starting mixture when the engine is cold. When attempting to start a cold engine, pull the choke lever outward to close. Slowly return the choke to the open position as the engine warms. Leave the choke in the OFF/OPEN position when starting or restarting a warm engine.
By restricting the flow of air into the throat of the carburetor, the choke valve reduces the pressure inside the throat, which causes a proportionally greater amount of fuel to be pushed from the main jet into the combustion chamber during cold-running operation.
The choke valve will be the first butterfly valve you see when removing the air filter. This valve should be closed because the engine is cool.
Once the engine is in use, and naturally warms up, the choke valve can be closed, to reduce additional fuel being used. Keeping the valve open unnecessarily will lead to poor fuel efficiency.
Working of carburetor choke – open or closed position
Normally choke will be in open position, in which valve is parallel to the air flow, and has no effect on the air flow. When choke is actuated by mechanical or by pneumatic method, it rotates an angle restrict the air flow (closed position).
The design of a choke valve means fluids flowing through the cage are coming from all sides and that the streams of flow (through the holes or slots) collide with each other at the center of the cage cylinder, thereby dissipating the energy of the fluid through “flow impingement”.
The choke circuit consists of the butterfly or choke plate, the pull-off (also called a vacuum break), the choke spring, and the fast-idle cam and screw. Butterfly: The choke plate should fully and easily close against the air horn when the throttle is opened slightly and the spring has tension on it.
With the choke on, the fuel blasts its way in and provides the carburetor with the fuel it needs. While this is relatively safe and doesn`t harm any of the internal parts of the bike, it does lead to higher consumption of fuel.
Don`t Ride in Choke condition, it will consume more fuel, with less efficiency.
Get behind your opponent and wrap your dominant arm around your opponent`s neck. Put your nondominant hand on the back of your opponent`s head and tilt it forward to maintain control of them. Apply pressure to the sides of your opponent`s neck, not their throat, to cut off blood to the brain and make them pass out.
Dr. Aragona explains: “In terms of choking safely, you want to ensure that when choking, you do not add too much pressure, it is better to choke softly and slowly rather than applying a lot of pressure as this could damage the trachea and larynx.
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Honda GC 160 Engine, I had the carb replaced about 1 year ago, now its doing the same thing. At first it wouldnt start at all, I cleaned the carb, then it started would speed up and die. I then took the carb off and cleaned the jets, now it starts with the choke in the closed position only, at high speed it sputters and dies, but will I run it at med speed it runs but will die with tiller has a load, also when you put the choke to open it always dies. I dumped all the gas, and checked the fuel is flowing thru the strainer which it is. Do you think that its the fuel pump? or the strainer doesnt supply enough gas due to restrictive flow? Help please, I soaked the carb over night.
This really sounds like a carb problem, good to hear that you are taking the carb all the way off and soaking it, this is the best way to clean a carb. I don’t think it would be the fuel pump, they either work or they don’t. I would check the governer springs and linkages, if one of these is hung up on something it would cause the problems the you have identified. Also, when you re-install the carb make sure that you have all the gaskets installed, it is easy to forget one and that will cause the engine to **** air and make the whole engine run like ****.
Need to know what carb screw adjustment need to be set at weedeater starts for about 4-7 sec then shuts down put new hoses on checked gas filter and cap checked out ok. i pump the ball about 10 times ,pull cord &starts for about 4-7 sec then shuts down,like no gas or electrical problem. i played with the screw settings & dont know where they shoould be set at . had carb all apart ,put in new plug doesnt seem to matter what i do it does the same thing . any thoughts?also when it starts the motor will rev up when u hit the gas and when it shuts down the gas hose from the tank is still full of gas
If there is a choke adjustment you should set that at full until the trimmer warms up, don’t touch the gas. Then repull start at half choke, don’t touch the gas either at this time. Then start at no choke, and then set your idle on the carberator with the adjustment screw. Also don’t push the primer bulb so many time you will cause the spark plug to get flooded and drown out the spark, which is exactly what is happening.
I have a 5.5 OHV Briggs & Stratton and it only runs good when it almost fully choked or half choked. There is one adjustment screw on the carb., but when I adjust it , it does not seem to run any better. When the choke is open it kills. What’s wrong?
The carburetor needs to be cleaned. There is something in one of the passages that is keeping it from running correctly.
To do this you will need a can of carburetor cleaner (spray) and a very thin wire to probe in all of the holes of the carburetor.
First, take the carburetor loose from where it mounts to the engine. Then take the wire and probe all of the holes in the carburetor, and also the holes in the fuel bowl nut (if any are present). Then shoot the carburetor cleaner through the holes to remove any loose particles of dirt or debris and to make sure the passages are clear. After you have done this, then you will need to blow through the holes to make absolutely sure that everything is removed that could be blocking either fuel or air from passing through the carburetor.
Re-install the carburetor back onto the engine, and check to see if the unit is running ok. If at this point the carburetor is still not running correctly, you may have to replace the carburetor. When you go to the parts counter you should have the MODEL, TYPE, and CODE off of the flywheel housing. These numbers are stamped into the metal.
I hope this helps you out.
Where does the linkage from the trigger to the carburetor hook up to on the carb end
There will be a spring and a flat plate that has multiple holes in it, the trigger cable will hook into one of these holes. the easiest way to locate this is to look into the carb, and pull in the levers, when the fly inside the opening moves this is the one, but be careful there will be two and one is for the choke. the choke will have 2 to 3 position and will make kind of a click each time. you want the one that does not make a click or is the largest one.
Wont run up to speed without choke partially on.
Where are the carb. adjustments?
Does it requir a special tool/
Probably uses a Zama Or Walbo carb. The mixture screws are factory preset and may or may not have plastic limiters on them. There are tools for adjusting these type carbs or you can fashion one yourself. Most of the screws are of the “splined” variety.Running partially choked is a result of the carb needing adjustment and/or repair (rebuild kit). Like anything else, they require maintenace and installing diaghram or rebuild kit accomplishes this…you can remove and clean the carb and its internals with non-flammable brake cleaner aerosol spray. Don’t use high PSI compressed air on it and never soak the carb.
What are the settings for the zama carb on a 330 homelite chainsaw
1 1/4 turns out. Then let it warm up and adjust in up to 1/8
Blower only runs with full choke. When I switch to half choke, it dies and won’t start.
It may simply need the high speed jet opening up a bit (2 screws near eachother on the carb and the high speed is furthest from the engine)failing that it needs a carb kit…. this is a serviceable item changed regularly.
Why will My weed eater only run with the choke fully on and cant give throttle?
It sounds like the carb needs adjusted. Things can even happen to new weed eaters.