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Start ShoppingMIKUNI FJ8-7DH02 Jet Needle - Precision Fuel Delivery for Carbureted Engines
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Description
The MIKUNI FJ8-7DH02 Jet Needle is engineered to deliver precise fuel metering for optimal engine performance in carbureted powersports equipment. This critical component ensures smooth throttle response and consistent power delivery across a wide range of operating conditions.
Key Features
- Precision Machining: CNC-finished needle ensures accurate fuel flow control for reliable engine performance.
- Durable Construction: High-grade alloy material resists wear and corrosion for long-lasting service.
- Perfect Fit: Designed specifically for MIKUNI carburetor systems to ensure seamless integration.
- Easy Installation: Simple replacement process with minimal tools required for quick setup.
Why Choose This Product
Upgrade your fuel delivery system with a jet needle built for precision and reliability. This component is essential for maintaining peak engine performance, improving fuel efficiency, and ensuring consistent power output. Whether you're tuning for racing or everyday use, the FJ8-7DH02 delivers the accuracy needed to elevate your powersports experience.
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The MIKUNI FJ8-7DH02 Jet Needle is engineered to deliver precise fuel metering for optimal engine performance in carbureted powersports equipment. This critical component ensures smooth throttle response and consistent power delivery across a wide range of operating conditions.
Key Features
- Precision Machining: CNC-finished needle ensures accurate fuel flow control for reliable engine performance.
- Durable Construction: High-grade alloy material resists wear and corrosion for long-lasting service.
- Perfect Fit: Designed specifically for MIKUNI carburetor systems to ensure seamless integration.
- Easy Installation: Simple replacement process with minimal tools required for quick setup.
Why Choose This Product
Upgrade your fuel delivery system with a jet needle built for precision and reliability. This component is essential for maintaining peak engine performance, improving fuel efficiency, and ensuring consistent power output. Whether you're tuning for racing or everyday use, the FJ8-7DH02 delivers the accuracy needed to elevate your powersports experience.
| SKU | GM33400E4D |
|---|---|
| MPN | FJ8-7DH02 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Yamaha | YZ450F | 2009-2014 |
| Yamaha | WR450F | 2009-2014 |
| Kawasaki | KX450F | 2010-2015 |
Frequently Asked Questions
Typically 3rd groove from top is stock position. Adjust richer (lower) or leaner (higher) based on plug reads.
Yes, precision tapered needle for smooth mid-range fueling transitions.
Designed for OEM Mikuni carbs. Check slide compatibility for aftermarket setups.
Needle primarily affects mid-range. Often paired with main jet changes for full tuning.
Installation Guide
Difficulty
Easy
Est. Time
15 min
Tools Required
- Small flathead screwdriver
- Needle nose pliers
Pro Tips
- Work in a clean area with good lighting. Note the original clip position before removal. Use carb cleaner to clean needle and slide.
Common Mistakes to Avoid
- Dropping the tiny clip into the carb body
- Installing clip in wrong groove
Comparison vs Stock/OEM
This is the genuine OEM Mikuni needle - exact factory specification
Improvements
- Perfect factory fueling curve
- OEM quality materials
- Precise manufacturing tolerances
Considerations
- Genuine replacement, not performance upgrade
Durability & Warranty
Expected Lifespan
Entire carburetor life (50+ hours motocross)
Warranty
Mikuni lifetime warranty against manufacturing defects
Maintenance
Inspect for straightness/wear during carb cleaning. Replace if bent or grooved.
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