The S&S Super E Carburetor is a high-performance, butterfly-style carburetor designed for Harley-Davidson Big Twin and Sportster models, offering adjustable idle mixture, air bleed, and jetting for optimal performance.
Overview of the S&S Super E Carburetor
The S&S Super E Carburetor is a high-performance, butterfly-style design engineered for Harley-Davidson Big Twin and Sportster engines. It features a 1 7⁄8″ bore and 1 9⁄16″ venturi, offering improved airflow and throttle response. Designed for compatibility with various American V-twin engines, it is identified by an “E” cast into the throttle linkage side of the body.
Key Features and Benefits
The S&S Super E Carburetor offers fully adjustable idle mixture, air bleed, and jets for precise tuning. Its large 1 7⁄8″ bore and 1 9⁄16″ venturi enhance airflow, delivering improved performance across the RPM range. Designed for Big Twin and Sportster engines, it provides a cost-effective upgrade over stock carburetors, ensuring better throttle response and increased horsepower.
Installation and Setup
Installing the S&S Super E involves mounting, connecting fuel lines, and synchronizing throttles. Proper jetting and initial setup ensure optimal performance and smooth engine operation.
Step-by-Step Installation Guide
Mount the S&S Super E Carburetor to the engine using the provided hardware. Connect the fuel line securely, ensuring no leaks. Attach the throttle cables and synchronize them for smooth operation. Install the air cleaner and ensure all electrical connections are secure. Refer to the manual for specific torque values and alignment instructions. Proper installation guarantees optimal performance and reliability.
Jetting Instructions for Optimal Performance
Start with the recommended jetting from the S&S Super E manual, typically 45/45 for the pilot and 135 for the main jet. Adjust based on engine performance, throttle response, and altitude. For high-altitude use, consider richer jets for better combustion. Fine-tune the air/fuel mixture by testing and monitoring for smooth operation across all RPM ranges.
Tools and Materials Required
Install the S&S Super E carburetor with basic tools like screwdrivers, pliers, and a torque wrench. Ensure you have replacement gaskets, a fuel line, and an air filter. Jetting tools, such as a pilot and main jet installer, are essential for tuning. Refer to the manual for a comprehensive list of materials needed for a successful installation and proper fitment.
Tuning and Adjustment
Tuning the S&S Super E involves adjusting the idle mixture, air bleed, and jets for optimal performance. Easy adjustments ensure precise fuel delivery across all RPM ranges.
Understanding the Tuning Process
Tuning the S&S Super E carburetor involves adjusting the idle mixture, air bleed, and jets to ensure proper fuel delivery. Start with the recommended jetting, then fine-tune based on engine performance, throttle response, and operating conditions. Adjustments should be made incrementally, testing after each change to achieve optimal performance and smooth operation across all RPM ranges.
Adjusting the Idle Mixture and Air Bleed
Adjust the idle mixture screws to achieve a smooth idle, turning them clockwise to lean the mixture or counterclockwise to richen it. Fine-tune the air bleed to optimize airflow at low RPM. Start with the recommended settings, then test and refine adjustments for seamless engine operation across all ranges.
High-Speed and Mid-Range Jetting
High-speed and mid-range jetting fine-tunes engine performance at higher RPMs. Start with S&S-recommended jet sizes, then test under load. Adjust jets to eliminate stumbling or richness, ensuring crisp throttle response. Fine-tune for smooth power delivery across the entire RPM range, optimizing both high-speed and mid-range performance for your specific engine setup and riding conditions.
Compatibility and Recommendations
The S&S Super E Carburetor is designed for Harley-Davidson Big Twin and Sportster models, as well as American V-twin engines. It’s ideal for engines with higher compression or modified setups, delivering superior performance and smooth operation across various displacements.
Compatible Engines and Motorcycles
The S&S Super E Carburetor is compatible with Harley-Davidson Big Twin and Sportster models, as well as other American V-twin engines. It is recommended for engines with higher compression or modified setups, ensuring optimal performance and reliability. This carburetor is ideal for riders seeking enhanced power and smooth operation across various displacements and configurations.
When to Choose the Super E Over the Super G
Opt for the Super E if your engine has smaller displacement or lower compression. It’s ideal for stock or mildly modified engines, offering precise fueling and smooth operation. The Super G is better suited for larger, heavily modified engines, whereas the Super E excels in providing a balanced performance for everyday riding conditions.
Important Notes for Small or Low Compression Engines
The S&S Super E is recommended for small or low compression engines due to its optimized fueling characteristics. It ensures better throttle response and easier starting compared to the Super G, which is designed for larger, modified engines. Using the Super E on smaller engines prevents lean conditions and maintains reliable performance. Always consult the manual for specific recommendations.
Troubleshooting Common Issues
Addressing issues with the S&S Super E involves diagnosing symptoms like poor idle, bogging, or lean conditions. Consult the manual for step-by-step solutions to ensure proper carburetor function and performance.
Identifying and Resolving Carburetor Problems
Identifying issues with the S&S Super E involves checking for symptoms like rough idle, poor throttle response, or decreased performance. Common problems include improper jetting, air leaks, or clogged circuits. Resolving these issues often requires cleaning, adjusting jets, or replacing worn components. Always refer to the manual for detailed diagnostic and repair guidance to restore optimal function and performance.
Common Mistakes to Avoid During Installation
Common installation errors include incorrect jetting, improper throttle cable alignment, and not sealing intake manifold connections. Ensure all components are securely fastened and aligned. Misalignment or loose connections can lead to poor performance or engine damage. Always follow the manual’s step-by-step guide to avoid these pitfalls and ensure a smooth, trouble-free installation process for the S&S Super E carburetor.
Diagnosing Performance Issues
Diagnosing performance issues with the S&S Super E carburetor involves checking jetting, idle mixture, and air-fuel ratios. Incorrect jetting or improper adjustments can cause poor throttle response, decreased power, or uneven idle. Always refer to the manual for guidance and test the carburetor under various conditions to ensure optimal performance and identify potential issues early.
Maintenance and Care
Regular maintenance ensures optimal performance and longevity. Clean the carburetor, inspect for wear, and rebuild as needed. Proper storage and lubrication prevent corrosion and damage over time.
Regular Maintenance Tips
Clean the carburetor regularly to remove dirt and debris. Inspect for wear on gaskets, seals, and jets. Rebuild the carburetor as needed to maintain performance. Proper storage in a dry, protected area prevents corrosion. Lubricate moving parts to ensure smooth operation and prevent rust. Always follow the manual for specific maintenance schedules and procedures to keep the S&S Super E running optimally.
Cleaning and Rebuilding the Carburetor
Clean the carburetor with a mild solvent and soft brush, avoiding harsh chemicals. Rebuilding requires disassembling and inspecting all components, replacing worn parts. Reinstall jets, gaskets, and seals according to the manual. Proper reassembly ensures optimal performance and prevents leaks. Regular cleaning and rebuilding maintain the carburetor’s efficiency and extend its lifespan.
Storage and Long-Term Care
Store the carburetor in a dry, clean environment, protected from dust and moisture. Use a breathable cover to prevent rust and corrosion. Before long-term storage, drain the fuel and apply a thin layer of oil to metal parts. Regularly inspect stored components and follow the manual’s guidelines for maintaining carburetor condition during extended periods of inactivity.
Comparison with Other Carburetors
The S&S Super E stands out for its superior airflow and adjustable features, making it a top choice over stock carburetors and other aftermarket options for Harley-Davidson engines.
S&S Super E vs. Super G
The S&S Super E carburetor, with its 1.187-inch bore and 1.916-inch venturi, is ideal for most engines, including smaller or low-compression ones. In contrast, the Super G, featuring a larger 2.156-inch bore and 2.125-inch venturi, is designed for high-performance, heavily modified engines over 100 cubic inches. The Super E offers better throttle response and versatility for everyday use, while the Super G maximizes power for racing and extreme modifications. Both models share adjustable features like idle mixture, air bleed, and jets, ensuring precise tuning tailored to specific engine needs. The choice between them depends on the engine’s displacement, compression, and intended application, with the Super E being the more universal option for typical Harley-Davidson setups.
Stock Carburetors vs. S&S Super E
Compared to stock carburetors, the S&S Super E offers improved performance, with features like fully adjustable jets, idle mixture, and air bleed, allowing precise tuning for optimal power delivery. Its larger bore and venturi design enhance airflow, especially in modified engines, providing better throttle response and increased horsepower. The Super E’s superior adjustability and durability make it a favored upgrade over stock carburetors for enhanced performance.
Performance Differences
The S&S Super E Carburetor delivers enhanced performance compared to stock carburetors, with improved airflow due to its larger bore and venturi. It offers superior throttle response and increased horsepower, especially in modified engines. The Super E’s adjustable jets and air bleed allow precise tuning for optimal performance, making it a top choice for riders seeking improved power and reliability.
Legal and Safety Considerations
The S&S Super E Carburetor is not legal for use in California on motor vehicles due to emissions regulations. Always follow safety precautions during installation to avoid accidents and ensure compliance with local laws.
Use Restrictions in California
The S&S Super E Carburetor is not legal for use on motor vehicles in California due to emissions regulations. It is intended for racing purposes only and must comply with California Air Resources Board (CARB) exemptions for track-only vehicles. Users must ensure compliance with local laws and regulations when installing or operating this carburetor.
Safety Precautions During Installation
Always wear protective gloves and eyewear when handling the carburetor and engine components. Ensure the engine is cool before starting installation to avoid burns. Properly ventilate the workspace to prevent inhaling fumes. Never start the engine indoors or near flammable materials. Keep the motorcycle on a stable stand during installation to prevent accidents.
Environmental and Regulatory Compliance
The S&S Super E Carburetor is designed for racing and off-road use only. It is not legal for use on public highways in California or other jurisdictions requiring emissions compliance. Always adhere to local emissions laws and regulations. Properly dispose of all materials during installation and maintenance to minimize environmental impact.
The S&S Super E Carburetor is a top choice for performance enthusiasts, offering superior power and adjustability for Big Twins and Sportsters. Its design ensures reliable operation and easy tuning, making it a valuable upgrade for those seeking enhanced engine performance.
Final Thoughts on the S&S Super E Carburetor
The S&S Super E Carburetor delivers outstanding performance, versatility, and reliability for Harley-Davidson Big Twins and Sportsters. Its adjustable features and easy tuning make it a top choice for enthusiasts seeking enhanced power and smooth operation. Whether for racing or everyday riding, the Super E proves to be a valuable upgrade, offering unmatched value and performance.
Is the Upgrade Worth It?
Upgrading to the S&S Super E Carburetor is a valuable investment for those seeking enhanced performance, throttle response, and power. Its adjustable features and compatibility with various Harley-Davidson models make it ideal for both racing and everyday riding. While it may require more maintenance and tuning, the benefits in efficiency and performance often outweigh the costs for enthusiasts.