When it comes to optimizing the performance of your trusty power tool, there is one crucial component that often goes unnoticed – the carburetor. This small but mighty device, nestled deep within the engine’s core, plays a pivotal role in regulating the air-fuel mixture that powers your Briggs and Stratton pressure washer. Just like a conductor guiding an orchestra, the carburetor ensures that the right balance of fuel and air is delivered to the engine, determining its overall efficiency and power output.
Now, you may be wondering, how exactly can one fine-tune this ensemble of elements without the need for professional intervention? Fear not, for in this comprehensive guide, I will share with you the secrets to setting the carburetor of your beloved pressure washer like a true maestro. By making subtle adjustments to the fuel mixture, you can achieve enhanced performance, improved fuel efficiency, and even increase the lifespan of your Briggs and Stratton power tool.
Before diving into the intricacies of carburetor adjustment, it is essential to understand the significance of this process in the context of your pressure washer’s overall functionality. The fuel mixture not only affects the engine’s power output but also impacts its starting ability, idle speed, and smoothness of operation. A poorly set carburetor can result in excessive fuel consumption, weak engine performance, and even potential damage to the internal components. Therefore, taking the time to master the art of adjusting the fuel mixture is an investment that pays off in the long run.
Adjusting the Carburetor Properly for Optimal Performance
When it comes to ensuring the smooth functioning of your Briggs and Stratton pressure washer, making sure the carburetor is properly adjusted is crucial. This component plays a vital role in regulating the fuel-to-air ratio, which directly affects the engine’s performance. In this section, I will guide you through the process of adjusting the carburetor to achieve optimal performance and efficiency.
1. Safety first
Before starting any maintenance or adjustment work, it is essential to prioritize safety. Make sure the pressure washer is turned off, and the engine has cooled down completely. Wear protective gloves and goggles to prevent any injuries.
2. Locate and access the carburetor
The carburetor is typically situated on the top or side of the engine, and it is usually covered with a protective metal or plastic housing. Refer to your pressure washer’s user manual to precisely locate the carburetor and remove any covers or barriers to access it.
3. Adjust the carburetor screws
Inside the carburetor, you will find multiple adjustment screws. These screws control the flow of fuel and air within the carburetor. It is important to make small and gradual adjustments to these screws to ensure precise tuning without causing any damage.
- Idle adjustment screw: This screw regulates the engine’s idle speed. Turn it clockwise to increase the idle speed and counterclockwise to decrease it. Be careful not to set it too high as it may cause the engine to stall or run erratically.
- Main adjustment screw: This screw governs the engine’s overall performance and power. Turning it clockwise will increase the fuel flow and richen the mixture, while turning it counterclockwise will reduce the fuel flow and lean out the mixture. Fine-tune this screw for optimal performance and fuel efficiency.
4. Test and fine-tune
Once you have made initial adjustments to the carburetor screws, it is time to test the pressure washer’s performance. Start the engine and let it warm up for a few minutes. Then, engage the trigger and observe the engine’s response.
- If the engine bogs down or hesitates when you squeeze the trigger, it indicates that the fuel mixture is too lean. Turn the main adjustment screw slightly counterclockwise to enrich the mixture.
- If the engine smokes excessively or sputters at high RPM, it indicates a rich fuel mixture. Turn the main adjustment screw slightly clockwise to lean out the mixture.
Continue testing and fine-tuning the carburetor screws until you achieve smooth acceleration, stable idle, and optimal power output from your Briggs and Stratton pressure washer. Remember to make small adjustments and avoid extreme settings to prevent any damage to the engine.
Understanding the Function and Importance of the Carburetor
When it comes to the inner workings of a small engine like a pressure washer, there are many components that work together to ensure its proper functioning. One such crucial component is the carburetor. In this section, I will delve into the function and importance of the carburetor, shedding light on its role in maintaining the optimal performance of the Briggs and Stratton pressure washer.
The Function of the Carburetor
The carburetor, also known as a carb, is a device that plays a vital role in the fuel system of the pressure washer engine. Its main function is to mix the proper amount of fuel with air, creating a combustible mixture that powers the engine. This combustion process provides the energy needed for the pressure washer to produce a high-pressure stream of water.
By regulating the flow of fuel and maintaining the correct air-fuel ratio, the carburetor ensures that the engine operates efficiently and produces the optimum level of power. It serves as the engine’s fuel metering system, controlling the precise amount of fuel that enters the engine cylinders.
The Importance of a Well-Functioning Carburetor
A properly functioning carburetor is essential for the overall performance and longevity of the pressure washer. Without a correctly adjusted carburetor, the engine may experience a variety of issues, including difficulty starting, rough idling, poor acceleration, and decreased power output.
Moreover, an imbalanced air-fuel mixture caused by a malfunctioning carburetor can lead to higher fuel consumption, increased emissions, and even engine damage. It is crucial to regularly inspect, clean, and adjust the carburetor to ensure its optimal performance and sustain the longevity of the pressure washer.
Function | Importance |
---|---|
Mixes fuel with air to create a combustible mixture | Ensures efficient engine operation and power production |
Regulates fuel flow and maintains the correct air-fuel ratio | Prevents starting issues, rough idling, and decreased power |
Controls fuel metering and entry into the engine cylinders | Optimizes fuel consumption and reduces emissions |
In conclusion, understanding the function and importance of the carburetor in a Briggs and Stratton pressure washer is crucial for proper maintenance and optimal performance. By ensuring that the carburetor is properly adjusted and maintained, you can maximize the lifespan and efficiency of your pressure washer, ultimately leading to better cleaning results and improved overall satisfaction.
Signs that Indicate Carburetor Adjustment is Needed
As an owner of a power tool equipped with an internal combustion engine, such as a pressure washer, it is essential to pay attention to certain signs that may indicate the need for carburetor adjustment. The carburetor plays a crucial role in the engine’s performance, ensuring the proper mixture of air and fuel for combustion. When the carburetor is out of adjustment, it can lead to various issues that affect the engine’s efficiency and overall functioning.
1. Uneven or Rough Idle
One of the signs that may indicate the need for carburetor adjustment is an uneven or rough idle. If you notice that the engine is not running smoothly when idling, it could be a result of an imbalanced air-fuel mixture. This can occur due to an incorrect adjustment of the carburetor settings. An engine with a properly adjusted carburetor should idle smoothly without any noticeable fluctuations.
2. Difficulty Starting the Engine
If you are experiencing difficulty starting your power tool, such as a pressure washer, it could be a sign that the carburetor needs adjustment. A carburetor that is set too rich or too lean can make the starting process challenging. A rich mixture can flood the engine, whereas a lean mixture may not provide enough fuel for ignition. Adjusting the carburetor to the optimal settings can help improve the starting process and ensure a reliable engine startup.
Furthermore, it is worth mentioning that these signs may not always be exclusive to carburetor issues. Other factors, such as problems with the ignition system or fuel supply, could also contribute to similar symptoms. Therefore, it is essential to carry out a thorough inspection and diagnostic process to pinpoint the root cause accurately.
By keeping a close eye on these signs and promptly addressing any potential carburetor adjustment needs, you can ensure optimal performance and extend the lifespan of your power tool. Regular maintenance and tuning of the carburetor will help maintain its efficiency, resulting in better fuel economy, smoother operation, and overall improved performance.
Tools Required for Adjusting the Carburetor
When it comes to fine-tuning the fuel-to-air ratio in your engine, having the right tools at hand is crucial. In this section, I will discuss the essential tools you will need to effectively adjust the carburetor of your Briggs and Stratton pressure washer. By having these tools ready, you can ensure that your carburetor adjustment process goes smoothly and efficiently.
1. Screwdriver Set
One of the primary tools you will need is a reliable set of screwdrivers. These versatile tools come in various sizes and types, including flathead and Phillips screwdrivers. They will be instrumental in loosening or tightening the screws that hold the carburetor in place.
2. Carburetor Cleaning Kit
Keeping your carburetor in optimal condition is essential for smooth engine performance. A carburetor cleaning kit can be incredibly handy for this purpose. It typically includes a range of brushes, needles, and jet cleaners designed specifically for cleaning carburetor parts. Regular cleaning helps prevent debris buildup and ensures that your carburetor functions flawlessly.
When working on your carburetor, it’s vital to be careful and precise. The right tools can make all the difference, allowing you to adjust and maintain your Briggs and Stratton pressure washer’s carburetor efficiently for optimal performance.
Step-by-Step Guide to Remove and Clean the Carburetor
Greetings! In this guide, I will walk you through the process of removing and cleaning the carburetor, an important component of your pressure washer. By following these step-by-step instructions, you will be able to ensure optimum performance and avoid potential issues that may arise from a dirty or clogged carburetor.
Step 1: Prepare the necessary tools
Before we begin, let’s gather the tools and materials required for this task. You will need a screwdriver, a wrench, a clean cloth, a carburetor cleaner, and a container to hold the cleaning solution.
Step 2: Disconnect the carburetor
To remove the carburetor, start by locating the air filter housing. Use the screwdriver or wrench to loosen and remove any screws or bolts securing the housing. Once removed, set the air filter housing aside.
Next, locate the fuel line connected to the carburetor. Carefully disconnect the fuel line by loosening the clamp or removing any connecting mechanism. Take note of the fuel line’s position to ensure correct reassembly later.
Step 3: Remove and clean the carburetor
With the carburetor now accessible, carefully remove it from its mounting position. Take caution not to damage any surrounding parts or components during this process.
Place the carburetor on a clean work surface and inspect it for any signs of dirt, debris, or clogs. Using the carburetor cleaner and a clean cloth, gently remove any accumulated residue. Pay attention to the tiny ports, jets, and passages within the carburetor, as these are critical for proper fuel and air mixture.
Step 4: Soak and rinse
In a container, prepare a carburetor cleaning solution by following the instructions on the cleaner’s packaging. Submerge the disassembled carburetor in the solution and let it soak for the recommended amount of time. This will ensure a thorough cleaning of all internal parts.
After soaking, carefully rinse the carburetor under clean water to remove any remaining cleaner or debris. Ensure that all components of the carburetor are clear and free from any obstructions.
Step 5: Reassemble and reinstall the carburetor
Once the carburetor is completely dry, carefully reassemble all the components in the reverse order of disassembly. Take your time to ensure that everything is correctly aligned and securely fastened.
With the carburetor reassembled, carefully reinstall it back into its original position on the pressure washer. Reconnect the fuel line, making sure it is properly secured. Finally, reattach the air filter housing by tightening the screws or bolts.
And voila! You have successfully removed and cleaned the carburetor of your pressure washer. Regular maintenance of this vital component will ensure optimal performance and longevity of your machine.
Step | Action |
---|---|
Step 1 | Prepare the necessary tools |
Step 2 | Disconnect the carburetor |
Step 3 | Remove and clean the carburetor |
Step 4 | Soak and rinse |
Step 5 | Reassemble and reinstall the carburetor |
Identifying the Adjustment Screws on the Carburetor
When it comes to maintaining and troubleshooting a pressure washer, understanding the different components of the engine is crucial. One important aspect to consider is the carburetor and its adjustment screws. These screws play a significant role in regulating the air and fuel mixture within the carburetor, ultimately affecting the engine’s performance. In this section, I will guide you on how to identify and understand the purpose of the adjustment screws on the carburetor.
Identification of the Adjustment Screws
Before we delve into adjusting the carburetor, it is vital to be able to identify the different adjustment screws. Typically, a carburetor will have three screws – the idle adjustment screw, the low-speed adjustment screw, and the high-speed adjustment screw. Each of these screws serves a specific purpose in fine-tuning the carburetor’s performance.
Understanding the Purpose of Each Screw
Now that we have identified the adjustment screws, let’s understand their individual functions:
Screw | Purpose |
---|---|
Idle Adjustment Screw | This screw controls the engine’s idle speed. By adjusting this screw, you can increase or decrease the idle RPM (revolutions per minute), ensuring smooth operation when the engine is at rest. |
Low-Speed Adjustment Screw | The low-speed adjustment screw is responsible for regulating the air-fuel mixture during low-speed operation. Proper adjustment of this screw ensures optimal engine performance and fuel efficiency. |
High-Speed Adjustment Screw | As the name suggests, the high-speed adjustment screw controls the air-fuel mixture at high speeds. Adjusting this screw allows you to optimize the engine’s performance during heavy-duty tasks or when the throttle is fully opened. |
Understanding the purpose of each adjustment screw is essential for achieving optimal performance from your Briggs and Stratton pressure washer. In the following sections, we will explore how to adjust these screws properly to ensure the best possible engine performance.
Adjusting the Idle Adjustment Screw for Optimal Performance
In this section, I will guide you on how to set the idle adjustment screw of your Briggs and Stratton pressure washer to achieve the best performance. By taking the time to properly adjust this screw, you can ensure that your pressure washer runs smoothly and efficiently, allowing you to tackle your cleaning tasks with ease.
1. Preparation
Before beginning the adjustment process, it is essential to have a clear understanding of what the idle adjustment screw does and how it affects the performance of your pressure washer. The idle adjustment screw controls the amount of fuel that flows into the engine while it is idling. By adjusting this screw, you can optimize the engine’s idle speed, which can improve fuel efficiency and overall performance.
2. Locating the Idle Adjustment Screw
The idle adjustment screw is typically located on the carburetor, which is the part responsible for mixing fuel and air in the proper ratio for combustion. It is important to consult your Briggs and Stratton pressure washer’s manual to identify the exact location of the idle adjustment screw, as it may vary depending on the specific model.
Once you have located the idle adjustment screw, make sure the pressure washer is turned off and the engine is cool before proceeding with the adjustment.
3. Adjusting the Idle Adjustment Screw
Start by gently turning the idle adjustment screw either clockwise or counterclockwise using a screwdriver. As the screw is turned, listen for any changes in the engine’s idle speed. Your goal is to find the sweet spot where the engine runs smoothly without stalling or racing. It is important to make small adjustments and listen for the engine’s response each time.
If the engine stalls or runs too slowly, you may need to increase the idle speed by turning the screw counterclockwise. Conversely, if the engine races or runs too fast, you should decrease the idle speed by turning the screw clockwise.
4. Testing and Fine-Tuning
After making initial adjustments to the idle adjustment screw, start the pressure washer and observe its performance. Pay attention to the engine’s idle speed and overall smoothness. If necessary, make further small adjustments to the screw until you achieve optimal performance.
- Check for any abnormal sounds or vibrations.
- Ensure that the engine idles consistently without stalling or racing.
- Observe the fuel efficiency and overall power output.
It is crucial to conduct a thorough test and fine-tune the idle adjustment to ensure that your Briggs and Stratton pressure washer operates at its best.
Remember, a properly adjusted idle adjustment screw can significantly impact the performance and longevity of your pressure washer. Taking the time to make these adjustments will ultimately lead to a more efficient and satisfying cleaning experience.
Adjusting the High-Speed Mixture Screw for Proper Fuel-to-Air Ratio
When it comes to optimizing the performance of your pressure washer, one crucial factor to consider is the fuel-to-air ratio. The high-speed mixture screw on the carburetor plays a significant role in achieving the right balance between fuel and air for efficient combustion. In this section, I will guide you on how to adjust the high-speed mixture screw to ensure the proper fuel-to-air ratio in your Briggs and Stratton pressure washer.
Understanding the High-Speed Mixture Screw
The high-speed mixture screw is a small, screw-like component located on the carburetor of your pressure washer’s Briggs and Stratton engine. It controls the amount of fuel that mixes with the incoming air when the engine is operating at high speeds. By adjusting this screw, you can fine-tune the fuel-to-air ratio, optimizing the engine’s performance and fuel efficiency.
Adjusting the High-Speed Mixture Screw
Here is a step-by-step guide on how to adjust the high-speed mixture screw for proper fuel-to-air ratio:
Step | Description |
---|---|
1 | Start your Briggs and Stratton pressure washer and let it warm up for a few minutes. |
2 | Locate the carburetor on your pressure washer’s engine. The high-speed mixture screw is usually marked with an ‘H’ or indicated by a color-coding, such as red. |
3 | Using a screwdriver, carefully turn the high-speed mixture screw in a clockwise direction until it is lightly seated. Take note of the number of turns needed to achieve this position. |
4 | Slowly turn the high-speed mixture screw counterclockwise, starting with half a turn at a time, while monitoring the engine’s performance. |
5 | Continue adjusting the screw counterclockwise until you achieve the smoothest and most consistent engine operation at high speeds. |
6 | Take note of the final number of turns counterclockwise from the lightly seated position. This will serve as a reference point for future adjustments. |
It is important to make small adjustments and observe the engine’s response each time to ensure precise tuning of the fuel-to-air ratio. Proper adjustment of the high-speed mixture screw will result in improved performance, fuel efficiency, and overall longevity of your Briggs and Stratton pressure washer.
Fine-Tuning the Carburetor’s Performance with the Low-Speed Mixture Screw
In this section, I will guide you on the important task of optimizing the performance of your carburetor by adjusting the low-speed mixture screw. By making precise adjustments to this screw, you can achieve the ideal fuel-to-air ratio, enhancing the overall performance and efficiency of your Briggs and Stratton pressure washer.
When it comes to adjusting the low-speed mixture screw, it is essential to have a solid understanding of the relationship between fuel and air. This screw allows you to control the amount of fuel that is mixed with the incoming air, ensuring that the engine runs smoothly and efficiently.
Before proceeding with any adjustments, it is important to ensure that your pressure washer is turned off and the engine is cool. Locate the low-speed mixture screw, which is typically found on the side of the carburetor. It is usually marked with an “L” or a symbol that represents the concept of “low speed.”
With a screwdriver, turn the low-speed mixture screw clockwise until it is gently seated. Be careful not to overtighten it, as this can damage the screw and affect the carburetor’s performance. Once the screw is seated, you can begin the fine-tuning process.
To find the optimal setting for the low-speed mixture screw, you will need to start the engine and let it run for a few minutes, allowing it to warm up. Once the engine is warmed up, adjust the screw slowly in small increments, either clockwise or counterclockwise, while paying close attention to the engine’s sound and performance.
As you make adjustments, listen for any changes in engine speed and note if the engine becomes too rich (too much fuel) or too lean (too little fuel). An overly rich mixture may result in black smoke from the exhaust or a rough idle, while an overly lean mixture can cause the engine to stutter or stall.
Continue making small adjustments to the screw until you find the sweet spot where the engine runs smoothly and efficiently. It may require some trial and error, but with patience and careful observation, you will discover the ideal low-speed mixture setting for your particular Briggs and Stratton pressure washer.
Remember, adjusting the low-speed mixture screw is a delicate process that requires attention to detail and keen observation. Take your time and make adjustments slowly, allowing the engine to respond before making further changes. By fine-tuning the carburetor in this manner, you can optimize the performance of your pressure washer, ensuring reliable operation and extended lifespan.
In conclusion, mastering the art of fine-tuning the carburetor’s performance with the low-speed mixture screw is a valuable skill for any Briggs and Stratton pressure washer owner. By understanding the importance of fuel-to-air ratio and implementing the necessary adjustments, you can maintain optimal engine performance and derive the maximum benefits from your pressure washer.
Testing the Pressure Washer After Fine-Tuning the Carburetor
Once I had made the necessary adjustments to optimize the fuel mixture in my pressure washer’s carburetor, it was time to put it to the test. With the carburetor set to deliver the correct air-fuel ratio, I was eager to see how the pressure washer would perform.
To begin the testing process, I carefully turned on the pressure washer and allowed it to warm up for a few minutes. This ensured that the engine reached its operating temperature and would provide accurate results during the testing phase.
With the pressure washer warmed up, I selected a suitable surface to test its cleaning power. I positioned the nozzle at a moderate distance from the surface and engaged the trigger. Instantly, I noticed a significant improvement in the pressure and flow of the water, thanks to the optimized carburetor settings.
As I continued to clean the surface, the pressure washer exhibited consistent and steady performance. The water stream maintained its strength and effectiveness, allowing me to effortlessly remove dirt, grime, and stubborn stains from various surfaces.
In addition to the improved cleaning ability, I also observed that the engine ran smoother and more efficiently with the fine-tuned carburetor. It started easily and operated with reduced vibrations and noise levels.
- Overall, the pressure washer’s performance after adjusting the carburetor proved to be exceptional. It delivered powerful and consistent cleaning results, allowing me to complete my tasks efficiently and effectively.
- The optimized carburetor settings not only improved the pressure washer’s performance but also enhanced its overall reliability and longevity.
- I highly recommend testing your pressure washer after making any carburetor adjustments to ensure that it operates at its best and provides optimal cleaning power.
In conclusion, by testing the pressure washer after fine-tuning the carburetor, I was able to determine the effectiveness of the adjustments and witness the improved performance firsthand. It is crucial to evaluate the pressure washer’s functionality after any maintenance or adjustments to ensure it meets your cleaning needs and operates at its full potential.
Tips and Tricks for Maintaining a Properly Adjusted Carburetor
When it comes to keeping your engine running smoothly, one of the most important components to maintain is the carburetor. A properly adjusted carburetor ensures that the air and fuel mixture is optimized for efficient combustion, which leads to better performance and fuel economy. In this section, I will share some valuable tips and tricks that can help you keep your carburetor in top shape.
- Regular Cleaning: One of the best ways to maintain a properly adjusted carburetor is by regularly cleaning it. Over time, dirt, debris, and varnish can build up inside the carburetor, leading to clogged passages and poor fuel flow. By removing the carburetor and giving it a thorough cleaning with carburetor cleaner, you can prevent these issues and ensure smooth operation.
- Check for Air Leaks: Another crucial aspect of carburetor maintenance is checking for air leaks. Air leaks can disrupt the air-fuel mixture and cause erratic engine operation. Inspect the gaskets, O-rings, and seals for any signs of wear or damage and replace them if necessary. Additionally, using a carburetor cleaner or propane torch to check for leaks around the carburetor base and intake manifold can help you identify and fix any air leaks.
- Avoid Ethanol Fuel: Ethanol fuel can be quite detrimental to carburetors. It tends to attract moisture, which can lead to corrosion and the formation of deposits. If possible, try to use fuel with a low ethanol content or consider using a fuel stabilizer to prevent ethanol-related issues. Regularly draining the fuel tank and carburetor before long periods of inactivity can also help minimize the negative effects of ethanol fuel.
- Proper Adjustment: Properly adjusting the carburetor is essential for optimal engine performance. Understanding the different adjustment screws, such as the idle speed screw and the mixture screw, can help you fine-tune the carburetor to your specific engine requirements. Consult your engine’s manual or seek the guidance of a professional to ensure correct adjustment.
- Regular Maintenance: Last but not least, regular maintenance is key to keeping your carburetor in excellent condition. This includes replacing worn-out parts, such as the float, needle valve, and jets, at recommended intervals. Additionally, inspecting the throttle linkage and choke operation can prevent any issues that may affect carburetor performance.
By following these tips and tricks, you can maintain a properly adjusted carburetor and enjoy optimal engine performance. Remember, a well-maintained carburetor not only ensures smooth operation but also prolongs the life of your engine. Take the time to care for your carburetor, and you’ll reap the benefits in the long run.
FAQ:
How do I set the carburetor on a Briggs and Stratton pressure washer?
To set the carburetor on a Briggs and Stratton pressure washer, start by locating the carburetor on the engine. Then, turn the adjusting screw on the carburetor in a clockwise direction until it stops. After that, turn the adjusting screw counterclockwise 1 and a half turns. This initial setting will provide a good starting point, but you may need to make further adjustments depending on your specific engine and operating conditions.
What is the purpose of setting the carburetor on a Briggs and Stratton pressure washer?
The purpose of setting the carburetor on a Briggs and Stratton pressure washer is to ensure that the engine is receiving the proper fuel and air mixture for efficient and optimal performance. When the carburetor is correctly set, the engine will run smoothly, start easily, and operate at the proper speed.
What are the signs of a carburetor that needs to be set on a Briggs and Stratton pressure washer?
If the carburetor on your Briggs and Stratton pressure washer is not set correctly, you may experience several signs. These include hard starting, rough idling, engine stalling, poor acceleration, and black smoke coming from the exhaust. If you notice any of these symptoms, it may be necessary to adjust the carburetor settings.
Are there any precautions I should take when setting the carburetor on my Briggs and Stratton pressure washer?
Yes, there are a few precautions you should take when setting the carburetor on your Briggs and Stratton pressure washer. First, ensure that the engine is turned off and cool before attempting any adjustments. Second, make small adjustments to the carburetor settings and test the engine after each adjustment to avoid causing any damage. Finally, if you are unsure about how to set the carburetor, it is always best to consult the owner’s manual or seek professional assistance.
Can I set the carburetor on a Briggs and Stratton pressure washer myself, or do I need to take it to a professional?
Setting the carburetor on a Briggs and Stratton pressure washer can be done by yourself, as long as you have some mechanical knowledge and are comfortable working on small engines. However, if you are unsure or do not have experience in carburetor adjustments, it is recommended to take the pressure washer to a professional who can properly set the carburetor for you.