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Start ShoppingMIKUNI F990-793-004-P-2 Needle Jet - High-Performance Fuel Delivery for Carburetors
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Description
Upgrade your carburetor's fuel delivery system with the MIKUNI F990-793-004-P-2 Needle Jet, engineered for precision control and consistent performance in high-output engines. This critical component ensures accurate fuel metering for responsive power delivery and reliable operation across a range of riding conditions.
Key Features
- Exact Fuel Metering: Precision-ground needle and jet orifice for consistent fuel flow, optimizing engine performance and fuel efficiency.
- Universal Compatibility: Designed for MIKUNI carburetor systems, ensuring seamless integration with factory specifications for reliable operation.
- Durable Construction: High-grade brass alloy withstands heat, corrosion, and wear for long-lasting performance in demanding environments.
- Easy Installation: Streamlined design fits standard carburetor configurations, simplifying maintenance and upgrade processes.
Why Choose This Product
Whether you're tuning a high-performance motorcycle or maintaining a classic ride, this Needle Jet delivers precise fuel control for smoother throttle response, improved throttle control, and enhanced engine efficiency. Its durable construction ensures consistent performance through thousands of miles of riding, while its universal compatibility makes it an essential upgrade for carburetor enthusiasts seeking reliable fuel delivery solutions.
SKU:
GM807C3907
MPN:
F990-793-004-P-2
Category:
Intake/Carb/Fuel System
Brand:
MIKUNI
Stock:
In Stock
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Upgrade your carburetor's fuel delivery system with the MIKUNI F990-793-004-P-2 Needle Jet, engineered for precision control and consistent performance in high-output engines. This critical component ensures accurate fuel metering for responsive power delivery and reliable operation across a range of riding conditions.
Key Features
- Exact Fuel Metering: Precision-ground needle and jet orifice for consistent fuel flow, optimizing engine performance and fuel efficiency.
- Universal Compatibility: Designed for MIKUNI carburetor systems, ensuring seamless integration with factory specifications for reliable operation.
- Durable Construction: High-grade brass alloy withstands heat, corrosion, and wear for long-lasting performance in demanding environments.
- Easy Installation: Streamlined design fits standard carburetor configurations, simplifying maintenance and upgrade processes.
Why Choose This Product
Whether you're tuning a high-performance motorcycle or maintaining a classic ride, this Needle Jet delivers precise fuel control for smoother throttle response, improved throttle control, and enhanced engine efficiency. Its durable construction ensures consistent performance through thousands of miles of riding, while its universal compatibility makes it an essential upgrade for carburetor enthusiasts seeking reliable fuel delivery solutions.
| SKU | GM807C3907 |
|---|---|
| MPN | F990-793-004-P-2 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Yamaha | YZ450F | 2008-2013 |
| Kawasaki | KX450F | 2009-2014 |
| Honda | CRF450R | 2010-2015 |
Frequently Asked Questions
Primarily fits Yamaha YZ450F (2008-2013), Kawasaki KX450F (2009-2014), and Honda CRF450R (2010-2015) carbureted models. Verify your carb model.
Usually yes - changing needle jet requires matching main jet, pilot jet, and needle for proper fueling.
Mikuni is the OEM carb manufacturer for these bikes, so this is genuine OEM replacement quality.
It restores proper fuel metering. For performance gains, pair with full rejetting kit based on mods and altitude.
Installation Guide
Difficulty
Medium
Est. Time
45 min
Tools Required
- Small flathead screwdriver
- Carburetor rebuild kit tools
- Needle nose pliers
Pro Tips
- Remove carb completely for easier access. Always note original jet position before removal. Test ride and readjust air/fuel screw after install.
Common Mistakes to Avoid
- Not cleaning carburetor before installation
- Incorrect jetting combination
Comparison vs Stock/OEM
Direct OEM replacement part from Mikuni (original carb maker)
Improvements
- Restores factory fuel delivery specs
- Precision machined for consistent metering
Considerations
- No performance upgrade over stock - replacement part only
Durability & Warranty
Expected Lifespan
Indefinite with proper jetting (carburetor service interval)
Warranty
Limited manufacturer warranty through retailer
Maintenance
Inspect during annual carb cleaning. Clean with carb cleaner, avoid abrasive damage.
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