You might not realize that the right carburetor can greatly transform your Harley Street Bob's performance and aesthetics. Many riders overlook this essential component, assuming any carb will do, but the differences can be striking. Choosing from the top seven carburetors can lead to enhanced throttle response and fuel efficiency, not to mention a more personalized look for your bike. Curious about which models stand out and what factors you should consider to make the best choice?

Things to Note

• The S&S Cycle Black Super E Carburetor offers a 7% flow increase for improved throttle response and easy adjustment compared to stock CV carburetors.
• Mikuni HSR 42mm Easy Carburetor Kit provides significant gains in acceleration, power, and gas mileage, making it ideal for Harley Street Bob riders.
• The CV40 Carburetor enhances performance for various Harley models and boasts a 4.2-star average rating for ease of installation.
• Consider the AUTOKAY Carburetor Rebuild Kit for effective repairs on CV40 carburetors, ensuring smooth performance across Harley models from 1988 to 2016.

S&,S Cycle Black Super E Carburetor 110-0099

The S&S Cycle Black Super E Carburetor 110-0099 stands out with its exclusive heat and chemical resistant Enduraguard coating, making it an excellent choice for Harley Street Bob enthusiasts seeking enhanced performance and durability.

Weighing in at just 3.25 pounds, this model measures 6 x 5 x 4.5 inches, fitting seamlessly into existing setups. Its increased venturi diameter provides a 7% flow increase, translating to improved throttle response and power.

Designed for compatibility with existing Super E manifolds and air cleaners, it includes .0295/.070 jets for peak performance.

User reviews consistently highlight its ease of adjustment and maintenance compared to stock CV carburetors, further solidifying its reputation as a top choice among riders aiming for performance upgrades.

Best For: Harley Street Bob enthusiasts looking for enhanced performance and easy maintenance.

Pros:

• Pros:
• Exclusive heat and chemical resistant Enduraguard coating for improved durability.
• Increased venturi diameter for a 7% flow increase, enhancing throttle response and power.

Cons:

• Cons:
• Manifold and air cleaner sold separately, which may require additional purchases.
• Limited customer ratings (only 4 reviews) may not provide a comprehensive performance overview.

Super E Carb Carburetor Replacement for Harley Davidson

For riders looking to enhance their Harley Davidson's performance, the Super E Carb Carburetor Replacement offers a reliable and durable solution compatible with various models from 1997-2002 Buell Cyclone M2 to 1957-2005 Harley Davidson Softail.

Manufactured by Woosphy, this carburetor is designed for easy installation without the need for complicated tools, making it accessible for DIY enthusiasts.

Weighing 2.77 pounds and measuring 6.5D x 7.28W x 6.3H, it's built from high-quality materials, ensuring wear resistance and a longer lifespan.

While customer feedback shows a mix of experiences—some users noted fit and functionality issues compared to S&S carburetors—the Super E remains a popular choice for its durability and compatibility across a wide range of Harley models.

Best For: Riders seeking a reliable and durable carburetor replacement for their Harley Davidson models from 1997-2002.

Pros:

• High-quality materials ensure durability and wear resistance.
• Easy installation process suitable for DIY enthusiasts.

Cons:

• Mixed customer reviews regarding fit and functionality compared to S&S carburetors.
• Some users reported performance issues.

Mikuni HSR 42mm Easy Carburetor Kit – 42-18

Offering improved throttle response and power, the Mikuni HSR 42mm Easy Carburetor Kit – 42-18 is frequently recommended for Harley Street Bob riders seeking enhanced performance and fuel efficiency.

This smoothbore carburetor comes in a natural finish and is designed to work seamlessly with stock CV throttle cables, making installation straightforward.

Weighing just 3.64 pounds, it's compatible with various Harley Davidson models, ensuring a perfect fit.

Users report significant gains in acceleration, power, and gas mileage after installation.

With positive feedback emphasizing ease of setup and adjustment, the Mikuni HSR 42mm stands out in the market.

Backed by a 30-day return guarantee through Amazon, this carburetor kit is a solid choice for those looking to optimize their ride.

Best For: Riders of Harley Davidson models looking to enhance their motorcycle's throttle response, power, and fuel efficiency.

Pros:

• Improved throttle response and acceleration for a more dynamic ride.
• Easy installation with stock CV throttle cables, minimizing setup time.

Cons:

• May require adjustments after installation for optimal performance.
• Compatibility primarily limited to Harley Davidson models, restricting use with other brands.

CV40 Carburetor with Choke Cable for Harley Davidson Motorcycles

Designed specifically for a range of Harley Davidson models, the CV40 Carburetor with Choke Cable enhances performance and reliability for riders seeking a seamless riding experience.

This carburetor is compatible with various models, including Softail, Dyna, FXR, FXD, Touring, and Sportster, making it a versatile choice for many enthusiasts.

Weighing 2.4 pounds and measuring 6.73 x 5.87 x 4.76 inches, it offers a compact design that fits well within the motorcycle's setup.

Manufactured by MINTAR, it boasts an average customer rating of 4.2 out of 5 stars, highlighting its popularity.

Users appreciate its ease of installation and performance improvements, though some have noted minor issues.

Overall, the CV40 Carburetor is a solid upgrade for Harley riders aiming for enhanced functionality.

Best For: Harley Davidson motorcycle enthusiasts looking to enhance performance and reliability with a versatile carburetor replacement.

Pros:

• Easy installation for a variety of Harley models, making it accessible for DIY mechanics.
• Compact design that fits well within the motorcycle setup without taking up excess space.

Cons:

• Some users have reported minor issues during installation that may require additional troubleshooting.
• The carburetor is manufactured in China, which may raise concerns for some buyers regarding quality control.

AUTOKAY Carburetor Carb Rebuild Kit for HD CV40 27421-99C 27490-04 CV 40mm

Tailored for a range of Harley models, the AUTOKAY Carburetor Rebuild Kit guarantees smooth performance and reliable compatibility with CV40 carburetors from 1988 to 2016.

This kit includes everything needed for effective repairs, catering to Softail, Dyna, FXR, Touring, and Sportster models.

Weighing just 2.46 ounces and measuring 5.47 x 3.9 x 1.73 inches, it's easy to handle and store.

Customers have rated it 4.0 out of 5 stars, noting fast delivery and straightforward installation. However, some users have mentioned issues with jet markings and gasket sizes.

With a 30-day return policy and warranty options available, it offers a dependable solution for those looking to enhance their Harley's carburetor performance.

Best For: The AUTOKAY Carburetor Rebuild Kit is best for Harley Davidson owners looking to restore and maintain the performance of their CV40 carburetors across various models from 1988 to 2016.

Pros:

• Fast delivery and easy installation process.
• Generally good quality of components included in the kit.

Cons:

• Some users report issues with jet markings that can lead to confusion during installation.
• Gasket sizes may not fit as expected for all models.

Carbhub GY6 150cc Carburetor

The Carbhub GY6 150cc Carburetor stands out for its impressive compatibility with a wide range of vehicles, making it an ideal choice for enthusiasts of scooters, ATVs, and other small engines.

This 24mm carburetor fits various models, including those from Kazuma, Taotao, and even Japanese brands like Honda and Yamaha.

Weighing just 2.48 pounds, it comes with an intake manifold, air filter, and fuel filter, ensuring a complete setup.

Customers appreciate its easy installation and solid performance, often rating it 4.3 out of 5 stars.

While some users noted that the included air filter could be improved, the carburetor's factory settings and adjustable jets offer flexibility for enhanced performance.

Best For: Those seeking a versatile carburetor compatible with a variety of 150cc scooters, ATVs, and other small engine vehicles.

Pros:

• Easy installation process, making it accessible for DIY enthusiasts.
• Strong performance with adjustable jets for customization.

Cons:

• Some customers report subpar quality of the included air filter.
• Issues noted with the quality of the fuel filter and intake manifold.

XtremeAmazing Carburetor Choke Cable for HSR42 HSR45 HSR48

For Harley Davidson owners looking to enhance their HSR42, HSR45, or HSR48 carburetors, the XtremeAmazing Carburetor Choke Cable offers a reliable and effective solution.

Weighing only 0.035 ounces, this chrome-finished cable is designed for easy installation and compatibility with multiple HSR models. It replaces part numbers 426232 and 990-662-002, ensuring a seamless fit.

With dimensions of 4.72 x 2.95 x 1.73 inches, it's compact yet sturdy. Customer feedback rates this product at 3.8 out of 5 stars, indicating a solid performance among users.

Additionally, the cable comes with Amazon's 30-day return guarantee, providing peace of mind for buyers.

Overall, the XtremeAmazing Carburetor Choke Cable enhances both performance and style for Harley enthusiasts.

Best For: Harley Davidson owners seeking a reliable and stylish upgrade for their HSR42, HSR45, or HSR48 carburetors.

Pros:

• Easy installation compatible with multiple HSR models.
• Chrome finish adds a stylish touch to your motorcycle.

Cons:

• Limited customer ratings with an average of 3.8 stars.
• Lightweight design may raise concerns about durability.

Factors to Consider When Choosing a Carb for Street Bob

When choosing a carburetor for your Harley Street Bob, you need to take into account several key factors.

You'll want to think about compatibility with your model, performance features, and how easy it is to install.

Don't forget to factor in maintenance, adjustability, and your budget as well.

Compatibility With Harley Models

Choosing the right carburetor for your Street Bob hinges on verifying compatibility with specific Harley models, especially those within the Softail line. You'll want to focus on the model years that the carburetor supports, as there can be significant differences between various Harley models and their production years.

When you're browsing options, look for carburetors that list original equipment (OE) part numbers. These numbers serve as direct references for compatibility with your Street Bob and other related models. This can save you time and hassle when searching for the perfect fit.

It's also wise to reflect on whether the carburetor is designed as a direct replacement for existing models. This simplifies installation and verifies that everything fits correctly, minimizing the risk of issues down the road.

Lastly, don't forget to review customer feedback. Insights from fellow riders can be invaluable, offering real-world experiences regarding performance and installation specific to the Street Bob and similar Harley Davidson models.

Performance Improvement Features

Boosting your Street Bob's performance starts with selecting a carburetor that features enhancements like increased venture diameter and improved throttle response. A larger venture diameter can lead to about a 7% flow increase, greatly enhancing your engine's overall performance and responsiveness. You'll notice a more powerful and agile riding experience, making every ride exhilarating.

Durability is another key factor. High-quality materials in the carburetor construction contribute to a longer lifespan, reducing the frequency of replacements. This means you can enjoy your bike without worrying about constant maintenance.

Additionally, look for carburetors designed for better gas mileage. These models can extend the distance you travel per gallon, resulting in cost savings over time.

Compatibility with stock components, such as throttle cables and air cleaners, is also essential. This guarantees that you won't need extensive modifications during installation, making the process smoother and more efficient.

Installation Ease and Tools

Considering installation ease is vital for ensuring your new carburetor fits seamlessly with your Harley Street Bob and minimizes the need for specialized tools. Many carburetors, like the S&S Cycle Black Super E, allow for a straightforward swap that you can tackle without advanced mechanical skills.

Look for options that utilize stock throttle cables, such as the Mikuni HSR 42mm, which simplifies the entire process and cuts down on additional components.

Compatibility with your existing air cleaner and manifolds is another important factor. Choosing carburetors that specify compatibility with stock components will greatly ease your installation. User reviews often highlight how some carburetors are more user-friendly than stock options, leading to a smoother setup experience.

Make sure to pay attention to the detailed installation instructions that come with carburetor kits. These guides can help you navigate the installation process confidently, even if you're not a seasoned mechanic.

Maintenance and Adjustability

Maintenance and adjustability are essential factors that can greatly impact your experience with a carburetor on your Harley Street Bob. When selecting a carb, look for models with easily adjustable jets. This feature allows you to fine-tune the air-fuel mixture, enhancing performance and adapting to various riding conditions.

A maintenance-friendly design is vital, too. Carburetors that provide simplified access to internal components make cleaning and replacing parts much easier. Additionally, external adjustment screws can save you time during tuning, eliminating the need to disassemble the unit frequently.

Consider the materials used in the carburetor as well. High-quality materials and protective coatings can improve durability, meaning you'll spend less time on maintenance.

It's also wise to check user reviews for insights on how intuitive the adjustment process is. Real-world feedback can reveal how straightforward the maintenance is for specific carburetor models, helping you make a more informed decision.

Price Point Considerations

When choosing a carburetor for your Street Bob, the price can vary widely, so it's crucial to assess your budget against your performance needs. High-performance models can exceed $300, while more budget-friendly options may start around $100. Keep in mind that the initial cost isn't the only factor; additional components like manifolds and air cleaners often aren't included in the price and can greatly increase your total expenditure.

If you're not comfortable installing the carb yourself, factor in potential installation costs as well. Hiring a professional can raise your overall investment. It's also wise to evaluate the long-term value. A higher-priced carburetor may yield improved performance and fuel efficiency, potentially saving you money on gas over time.

Don't forget to evaluate warranty and support options. Products with better customer service or return policies might justify a higher price for the peace of mind they provide.

Material Quality and Durability

While evaluating your options, material quality and durability play a significant role in the overall performance and longevity of your carburetor for the Harley Street Bob. High-quality carburetors are typically crafted from materials with high hardness and wear resistance, ensuring they stand the test of time.

Look for models that feature exclusive coatings, such as heat and chemical-resistant finishes, which provide added protection against environmental factors.

The construction quality is equally important; precision in fit and finish helps prevent air leaks, allowing for peak performance. You want a carburetor that can endure the vibrations and stresses common in motorcycle operation without losing structural integrity.

Additionally, pay attention to the components—jets and gaskets should be made from robust materials to avoid degradation over time, which could hinder performance and reliability.

Frequently Asked Questions

What Are the Benefits of Upgrading My Carburetor on a Street Bob?

Upgrading your carburetor on a Street Bob can greatly enhance your riding experience.

You'll notice improved throttle response and better fuel efficiency, allowing your bike to perform at its best.

A new carburetor can also provide a more precise fuel-air mixture, leading to smoother acceleration.

Plus, you might enjoy a boost in horsepower and torque, making your rides more exhilarating.

How Do I Know if My Carburetor Needs Tuning?

You'll know your carburetor needs tuning if you notice poor acceleration, rough idling, or backfiring.

If your bike struggles to start or runs inconsistently, it's time to check the tuning.

Additionally, watch for black smoke from the exhaust, which indicates a rich mixture.

Regularly inspecting your spark plugs can also reveal whether the carburetor is functioning properly.

If they're fouled, it's a sign your carburetor may need some adjustments.

Can I Install a Carburetor Myself Without Professional Help?

Yes, you can install a carburetor yourself without professional help, but it requires some mechanical knowledge and the right tools.

Start by gathering all necessary parts and a service manual for guidance. Carefully follow instructions, ensuring you understand each step.

If you encounter difficulties, online forums and videos can offer valuable insights.

Just take your time, double-check your work, and you'll likely achieve a successful installation.

What Maintenance Is Required for My Harley Carburetor?

Maintaining your Harley carburetor is essential for peak performance.

You should clean it regularly, checking for dirt and buildup.

Inspect gaskets and seals for wear and replace them if necessary.

Adjust the air-fuel mixture as needed for smooth operation.

Don't forget to check the float level and verify it's set correctly.

Finally, keep an eye on fuel lines for leaks or cracks.

Regular maintenance will keep your ride running smoothly and efficiently.

Are Aftermarket Carburetors Better Than Stock Ones for Performance?

When you're considering aftermarket carburetors, you'll often find they can offer better performance than stock options. They typically provide improved airflow, increased throttle response, and enhanced tuning capabilities.

This means you can optimize your bike's power and efficiency to match your riding style.

However, it's essential to guarantee compatibility with your motorcycle to reap these benefits.

Conclusion

Choosing the right carburetor for your Harley Street Bob can transform your ride in ways you mightn't expect.

From the sleek design of the S&S Cycle Black Super E to the efficiency of the Mikuni HSR 42mm, each option offers unique benefits.

But which one will truly elevate your performance and style?

As you make your choice, remember: the right carburetor could be the key to releasing your bike's full potential, and the thrill of the open road awaits!