This setting is used to start the saw when its motor is cold. Stihl chainsaws denote the choke position using a nearly horizontal squiggle between two vertical lines at the lowest position on the master control lever.
Which position is choke on?
Similar to the throttle, the choke plate rotates from a horizontal to vertical position to open up the passageway and allow more air to get by. The choke is located before the throttle, and manages the total amount of air going into the engine. The choke is only used when starting a cold engine.
How do I know if the choke is on or off?
The “choke” is off when the choke lever is down or when the choke lever is facing you if your choke is a handle bar mount. Choke off means that the choke plate is not covering the carb throat.
How do you use a chainsaw choke?
Open the Choke
- Turn the on/off switch to the "on" position and open the choke. This regulates the air-fuel mix to the engine.
- Press the fuel primer button several times if your chainsaw model has one until fuel can be seen in the bulb.
What does H and L mean on Stihl chainsaw?
Adjusting the L screw clockwise can cause the chain to engage while the saw is idling. Adjusting the H screw clockwise increases the maximum speed of the engine and can cause damage to your saw's engine if its operating capacity is exceeded.
37 related questions foundWhat does LA mean on Stihl?
One marked "H", for high speed, one marked "L", for low speed and one marked "LA", which is your low speed air adjustment for idle.
How do you adjust the H and L on a Stihl chainsaw?
Return a type A carburetor to its factory setting by turning the "H" screw counterclockwise until it stops, turning the "L" screw clockwise until it is seated, then backing it off one full turn.
How do you start a Stihl chainsaw when flooded?
Replace the air filter and spark plug, and connect the spark plug wire. Leave the choke open and pull the starting cord several times. The chain saw should start.
Why is my Stihl chainsaw not starting?
The carburetor might be clogged. A clogged carburetor is often caused by leaving fuel in the chainsaw for a long period of time. Over time, some of the ingredients in the fuel will evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and prevent the engine from starting.
Which symbol means the choke is on?
To sum up our original question: The choke on symbol for most small engines looks like a horizontal ( — ) or diagonal ( / ) line. It also can simply say 'Choke', 'Full Choke', or 'Start'. The off symbol for most small engine chokes is represented by a vertical line ( | ) or the word 'Run'.
Is choke on closed or open?
When using the choke, this means that the entire amount of air entering an engine must pass through, therefore the choke must be closed during a cold start.
Where is the choke located on a motorcycle?
If you aren't sure, you can tell by looking for a choke control. It is normally located on the left handlebar, above the horn. Carbureted motorcycles have a choke, but fuel-injected bikes do not. Sit on your motorcycle seat when starting it.
What is choke lever?
A choke valve/cable is designed to restrict the flow of air in the carburettor of an engine. This helps enrich the fuel-air mixture, improving the ability to start an engine in low temperature conditions.
Does choke open or closed carburetor?
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).
Are Stihl chainsaws hard to start?
Regular maintenance will help to ensure that your Stihl chain saw will always start. In addition, some storage steps can help with starting when the chainsaw has been left for an extended period. Problems starting a Stihl chain saw can be related to gasoline storage, spark plugs, and incorrect starting procedures.
Why is my chainsaw not starting?
The carburetor might be clogged and needs to be cleaned.
A chainsaw's carburetor mixes air and fuel to start the internal combustion engine. If fuel has been left in the engine for too long, it can become sticky and clog the carburetor, preventing it from starting. If the clog is minor, clean out the carburetor.
Is throttle and choke the same?
is that choke is a control on a carburetor to adjust the air/fuel mixture when the engine is cold while throttle is a valve that regulates the supply of fuel-air mixture to an internal combustion engine and thus controls its speed; a similar valve that controls the air supply to an engine.
What is a Stihl 311y?
The MS 311 is a high-tech workhorse with a step up in horsepower and features over the MS 291. With our improved engine technology, you get higher fuel economy for longer run times. The MS 311 also has larger fuel and oil tanks for even longer extended use. You'll stay productive – while you're saving money on fuel.
Why does my chainsaw bog down when I give it gas?
If your chainsaw is bogging down when you give it throttle, this is often a sign of improper gas-to-oil ratio. If there is too much gasoline in relation to the amount of oil used, this is known as a “rich mixture” and can cause the chainsaw to run poorly.
How do you adjust H and L screws on a carburetor?
Set the idle speed screw(not L or H) so it is just able to idle by itself. This screw will have a "stop" it rests against. Now turn the L screw out until in decreases in rpm and then back in(very slowly) until it is at peak rpm. Adjust the H screw once more as above and it should be a very serviceable 2 stroke.
Why does my Stihl saw keep stopping?
The carburetor might be clogged. A clogged carburetor is often caused by leaving fuel in the chainsaw for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and cause the chainsaw engine to stall.
How do you adjust the idle on a Stihl weedeater?
How to Adjust the Idle on a Weed Eater
- Place the Weed Eater trimmer on a workbench or other flat surface. ...
- Locate the idle speed adjustment screw situated to the side and slightly behind the air filter. ...
- Turn the adjustment screw to the right, or clockwise, to increase the engine idle speed.
