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Start ShoppingMIKUNI #20 Brass Bleed Pilot Jet - High-Performance Fuel System Component
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Description
Upgrade your fuel system with this MIKUNI Bleed Pilot Jet, engineered for precise fuel metering and consistent engine performance. Perfect for riders demanding reliability and efficiency in high-output power sports applications.
Key Features
- Size #20: Precision-fit for compatible carburetors ensuring accurate fuel flow control.
- Brass Construction: Corrosion-resistant material for long-lasting durability in harsh environments.
- M5 x 0.75 Thread: Standard thread size for easy installation and compatibility with MIKUNI carburetor systems.
- 6mm Diameter: Optimal flow rate for balanced fuel delivery across engine RPM ranges.
- 10mm Length: Compact design minimizes fuel line resistance while maintaining performance.
Why Choose This Product
Enhance engine responsiveness and fuel efficiency with this high-quality Bleed Pilot Jet. Its brass construction resists clogging and wear, while the precise #20 sizing ensures seamless integration with MIKUNI carburetors. Ideal for off-road motorcycles, ATVs, and other power sports equipment requiring reliable fuel system components.
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Upgrade your fuel system with this MIKUNI Bleed Pilot Jet, engineered for precise fuel metering and consistent engine performance. Perfect for riders demanding reliability and efficiency in high-output power sports applications.
Key Features
- Size #20: Precision-fit for compatible carburetors ensuring accurate fuel flow control.
- Brass Construction: Corrosion-resistant material for long-lasting durability in harsh environments.
- M5 x 0.75 Thread: Standard thread size for easy installation and compatibility with MIKUNI carburetor systems.
- 6mm Diameter: Optimal flow rate for balanced fuel delivery across engine RPM ranges.
- 10mm Length: Compact design minimizes fuel line resistance while maintaining performance.
Why Choose This Product
Enhance engine responsiveness and fuel efficiency with this high-quality Bleed Pilot Jet. Its brass construction resists clogging and wear, while the precise #20 sizing ensures seamless integration with MIKUNI carburetors. Ideal for off-road motorcycles, ATVs, and other power sports equipment requiring reliable fuel system components.| SKU | GM4F39C166 |
|---|---|
| MPN | FN224103-20 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various Yamaha | PW80, BW80, YZ80, TTR90, XT225, etc. | 1980-2025 |
| Various Honda | XR80, XR100, CRF80, CRF100 | 1985-2005 |
Frequently Asked Questions
Fits Mikuni VM and Keihin PD series carbs on small displacement 2-stroke and 4-stroke bikes like Yamaha PW/YZ80, TTR90.
This is a #20 size bleed pilot jet, used for fine-tuning air/fuel mixture in rejetting.
Single jet for targeted tuning. Often bought with main jets, needle, and air screw.
Smaller bleed hole = richer mixture. #20 is common stock/upgrade size - test plug chops to confirm.
Installation Guide
Difficulty
Easy
Est. Time
10 min
Tools Required
- Small flathead screwdriver
- Jet removal tool or needle nose pliers
Pro Tips
- Use carb cleaner to flush passages. Mark jet size with marker for future reference. Always rejet in pairs (pilot and needle)
Common Mistakes to Avoid
- Dropping the tiny jet into carb body
- Not cleaning carb passages before install
Comparison vs Stock/OEM
Direct OEM replacement or tuning upgrade for worn/stock jets
Improvements
- Precision machined brass for consistent flow
- Better corrosion resistance
- Enables precise air/fuel tuning
Considerations
- Requires carb cleaning and tuning knowledge
Durability & Warranty
Expected Lifespan
Indefinite with proper fuel filter maintenance
Warranty
Limited manufacturer warranty against defects
Maintenance
Inspect/clean during annual carb service. Replace if passages clogged
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