Introduction to Your 6 Sigma Carb Jet Kit
The 6 Sigma Carb Jet Kit is engineered to enhance the performance and longevity of your motorcycle's engine. Factory carburetors are often configured to meet emissions regulations rather than peak performance. Modifications such as aftermarket exhausts or intakes can lead to a lean fuel condition, which can cause engine damage due to excessive heat. This jet kit addresses these issues by enriching the fuel mixture across all throttle positions.
Beneficis clau:
- Increased Horsepower: Designed to achieve 6%-8% HP gain with intake/exhaust modifications, or 2-3% on a stock setup.
- Extended Engine Life: Promotes cooler engine operation, reducing wear on components.
- Rendiment millorat: Enhances throttle response and power across all RPM ranges.
- Prevents Lean Conditions: Corrects fuel mixture to avoid detonation and high exhaust gas temperatures (EGTs) that can damage exhaust valves and the engine.
Contingut del kit
Your 6 Sigma Carb Jet Kit is custom-made for your specific motorcycle and its modifications. Each kit includes the following components:
- Main Jets
- Needle Adjusters
- Separadors de niló
- Drill Bits for: Slide Hole Modification (for CV carbs), Idle Mixture Modification, Slide Spring Modification (for CV carbs)
- Carburetor Schematic
- Motorcycle Specifications
- Instructions for building a Carburetor Synchronizer Tool (estimated cost $5)
- Step-by-step installation instructions with photographs
- Carburetor Cleaning Procedure
- Proper Tuning Techniques

Imatge 2: Detallada view of the 6 Sigma Carb Jet Kit packaging, illustrating included components and a performance graph.
Guia d'instal·lació
Installation of the 6 Sigma Carb Jet Kit is designed to be straightforward, requiring only basic hand tools. Comprehensive, step-by-step instructions with photos are included in your kit, customized for your specific motorcycle model.
- Preparació: Ensure your motorcycle is cool and stable. Gather all necessary basic hand tools.
- Carburetor Removal: Carefully remove the carburetor(s) from your motorcycle. Refer to your motorcycle's service manual for specific removal procedures.
- Neteja del carburador: Before installing the jet kit, perform a thorough cleaning of your carburetor(s) using the provided Carburetor Cleaning Procedure. This is crucial for optimal performance.
- Substitució de components: Follow the detailed, step-by-step instructions provided in your kit to replace the main jets, adjust needles, and perform any necessary modifications (slide hole, idle mixture, slide spring) as indicated for your specific carburetor type (e.g., CV carb).
- Remuntatge: Reassemble the carburetor(s) and reinstall them onto your motorcycle, ensuring all connections are secure.
- Configuració inicial: Perform initial adjustments as outlined in the "Proper Tuning Techniques" section of your kit.
For personalized assistance, please contact 6 Sigma support with your exact year, model, modifications, and elevation.
Operating Principles and Tuning
The 6 Sigma Carb Jet Kit is designed to optimize your motorcycle's fuel delivery system. After installation, proper tuning is essential to achieve the advertised performance gains and ensure engine health.
Understanding Lean Conditions:
If you have installed an aftermarket exhaust or intake, your engine will draw more air, leading to a leaner fuel-to-air mixture. A lean condition can cause:
- Exhaust popping or backfiring.
- Higher engine operating temperatures.
- Increased exhaust gas temperatures (EGTs).
- Potential engine damage, including burnt exhaust valves and piston damage.
Your jet kit provides the necessary components to correct this lean condition across all throttle ranges (idle, 1/4-3/4 throttle, and full throttle). The included "Proper Tuning Techniques" guide will walk you through the process of fine-tuning your carburetor for optimal performance based on your specific setup and environmental factors like elevation.
Carburetor Synchronization: For motorcycles with multiple carburetors, synchronization is critical for smooth operation. Your kit includes instructions on how to build a simple carburetor synchronizer tool to assist with this process.
Manteniment
While the 6 Sigma Carb Jet Kit itself requires no specific maintenance beyond proper installation, regular maintenance of your motorcycle's carburetor system is crucial for sustained performance and engine longevity.
- Neteja regular: Periodically clean your carburetor(s) following the "Carburetor Cleaning Procedure" provided in your kit. This prevents fuel deposits and blockages that can affect performance.
- Inspecció del filtre d'aire: Ensure your air filter is clean and free of obstructions. A dirty air filter can restrict airflow and affect the fuel-air mixture.
- Qualitat del combustible: Use high-quality fuel and consider a fuel stabilizer if the motorcycle will be stored for extended periods to prevent fuel degradation and carburetor clogging.
- Hose and Gasket Inspection: Regularly inspect all fuel lines, vacuum hoses, and carburetor gaskets for cracks, leaks, or deterioration.
Resolució de problemes comuns
If you experience performance issues after installing your 6 Sigma Carb Jet Kit, consider the following common troubleshooting steps:
- Exhaust Popping/Backfiring: This is a primary indicator of a lean condition. Double-check your jetting and needle adjustments. Ensure all vacuum lines are properly connected and sealed.
- Poor Throttle Response: Verify that the slide hole modification (if applicable) was performed correctly and that the needle adjustments are set according to the tuning guide.
- Ralentí aproximat: Adjust the idle mixture screw as per the instructions. Ensure the carburetor is clean and free of debris.
- Potència reduïda: Re-verify all installation steps, especially jet sizes and needle clip positions. Ensure carburetor synchronization is correct for multi-carb setups.
- Fuites de combustible: Check all gaskets, O-rings, and fuel lines for proper seating and damage.
If issues persist, review the "Proper Tuning Techniques" section of your kit or contact 6 Sigma support for further assistance.
Especificacions del producte
| Característica | Detall |
|---|---|
| Marca | 6 Sigma |
| Número de model | 6SIG11567 |
| Compatible Vehicle Service Type | Motorcycle (specifically Honda CM400A, CM400 Twin) |
| UPC | 689338039045 |
| ASIN | B07RSD846G |
Garantia i assistència al client
Garantia de satisfacció: 6 Sigma offers a 100% Satisfaction Guarantee. If you are not satisfied with the results after installation, you are eligible for a full refund.
Suport tècnic: For any questions regarding installation, tuning, or troubleshooting, please contact our support team. To ensure the most accurate assistance, please provide your exact motorcycle year, model, any modifications made, and your elevation.
Correu electrònic de contacte: 6SigmaJetKits@gmail.com






