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Start ShoppingMIKUNI FVM22/210-40 Bleed Pilot Jets - Precision Fuel Delivery for High-Performance Engines
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Description
Elevate your engine's performance with MIKUNI's Bleed Pilot Jets, engineered for precise fuel metering and seamless integration with carburetor systems. These critical components ensure consistent fuel delivery, enhancing throttle response and power output for riders demanding peak performance.
Key Features
- Model-Specific Design: Precision-machined for the FVM22/210-40 carburetor, ensuring perfect fit and function.
- Durable Construction: High-quality brass alloy resists corrosion and maintains accuracy under extreme conditions.
- Adjustable Flow Rate: Fine-tune fuel delivery for optimal performance across varying riding conditions.
- Easy Installation: Streamlined design simplifies replacement without compromising system integrity.
- Enhanced Responsiveness: Improves throttle reaction time for quicker acceleration and smoother power delivery.
Why Choose This Product
MIKUNI's Bleed Pilot Jets deliver unmatched reliability and performance for powersport enthusiasts. Their precision engineering ensures consistent fuel-air mixture ratios, reducing engine hesitation and improving fuel efficiency. Whether you're tackling off-road trails or street riding, these jets provide the accuracy needed to maximize horsepower while maintaining engine longevity. The adjustable flow rate allows customization for different fuel types and environmental conditions, making them a versatile upgrade for any high-performance engine.
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Elevate your engine's performance with MIKUNI's Bleed Pilot Jets, engineered for precise fuel metering and seamless integration with carburetor systems. These critical components ensure consistent fuel delivery, enhancing throttle response and power output for riders demanding peak performance.
Key Features
- Model-Specific Design: Precision-machined for the FVM22/210-40 carburetor, ensuring perfect fit and function.
- Durable Construction: High-quality brass alloy resists corrosion and maintains accuracy under extreme conditions.
- Adjustable Flow Rate: Fine-tune fuel delivery for optimal performance across varying riding conditions.
- Easy Installation: Streamlined design simplifies replacement without compromising system integrity.
- Enhanced Responsiveness: Improves throttle reaction time for quicker acceleration and smoother power delivery.
Why Choose This Product
MIKUNI's Bleed Pilot Jets deliver unmatched reliability and performance for powersport enthusiasts. Their precision engineering ensures consistent fuel-air mixture ratios, reducing engine hesitation and improving fuel efficiency. Whether you're tackling off-road trails or street riding, these jets provide the accuracy needed to maximize horsepower while maintaining engine longevity. The adjustable flow rate allows customization for different fuel types and environmental conditions, making them a versatile upgrade for any high-performance engine.
| SKU | GM163C4579 |
|---|---|
| MPN | FVM22/210-40 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various Keihin FCR/PJ carbureted | CRF250R, CRF450R, YZ250F, KX450F, RMZ450 | 1985-2024 |
| Honda | CRF450R | 2004-2019 |
| Yamaha | YZ250F, WR250F | 2006-2020 |
Frequently Asked Questions
Designed for Keihin FCR/PJ carbs with 10/40 series jets. Common on Honda CRF, Yamaha YZ/WR, Kawasaki KX models.
Yes, drops in place of standard #22 pilot jet but adds bleed hole for better air/fuel mixing.
Often yes, for complete tuning. Pair with larger main and needle adjustment based on mods/exhaust.
Yes, the bleed design improves throttle response and eliminates lean bog common in stock setups.
Installation Guide
Difficulty
Easy
Est. Time
10 min
Tools Required
- Small flathead screwdriver
- Jeweler's screwdriver
- Carb cleaner
Pro Tips
- Remove carb, clean thoroughly, start with one size larger than stock for initial tune. Use carb sync tool after
Common Mistakes to Avoid
- Not cleaning carb passages before install
- Damaging o-ring during removal
Comparison vs Stock/OEM
Replaces stock Keihin pilot jet with added bleed circuit
Improvements
- Sharper throttle response
- Reduced bog/hesitation
- Better cold start and idle quality
- Easier tuning at altitude
Considerations
- May require main jet increase to match richer low-end
Durability & Warranty
Expected Lifespan
Entire carb life with proper maintenance (5+ years)
Warranty
Limited lifetime (Mikuni OEM policy)
Maintenance
Clean during annual carb service; inspect for clogging
What Others Are Saying
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