Keyster Carburetor Fuel Adjustment Kit FH-5263NF – Honda VFR400R NC30 Front Carb Tune Kit

Keyster Carburetor Fuel Adjustment Kit – FH-5263NF
Honda VFR400R NC30 (Front Bank)

A comprehensive carburetor tuning kit from Keyster, designed for precise fuel adjustment, troubleshooting, and performance setup.

This kit includes a wide range of jets and components, allowing accurate control of air-fuel ratios across low, mid, and high RPM ranges.

Ideal for restoring performance, diagnosing fueling issues, or fine-tuning modified engines.

🔧 Fitment

• Honda VFR400R (NC30)
• Front bank carburetor

📦 Product Details

• Brand: Keyster
• Product Code: FH-5263NF
• Type: Carburetor fuel adjustment / tuning kit
• Quantity: 1 set (for 1 carburetor / 1 cylinder)

🔩 Kit Includes

• Needle valve (AA super needle)
• Idle screw (air screw)
• Float chamber gasket
• Pilot jets (3 sizes)
• Main jets (6 sizes)
• Jet needles (4 sizes)
• Additional tuning components

⚙️ Key Features

• Wide range of jet sizes for precise tuning
• Designed for accurate air-fuel ratio adjustment
• Suitable for troubleshooting fuel delivery issues
• Ideal for modified engines (intake/exhaust changes)
• Includes Keyster “AA Needle” for improved performance

🛠️ Use Cases

• Carburetor repair and troubleshooting
• Restoring proper fuel delivery
• Fine-tuning performance after modifications
• Adjusting fueling across RPM ranges

⚠️ Notes

• Price is for one carburetor kit (single cylinder)
• Contents may vary – refer to product images
• Manufacturer specifications may change without notice
• Instructions (if included) may be in Japanese