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Start ShoppingMikuni FN102221-155 High Speed Jet - Precision Fuel Delivery for Power & Performance
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Description
Elevate your powersports performance with Mikuni's FN102221-155 High Speed Jet, engineered for precision fuel delivery and unmatched engine efficiency. This advanced jet system delivers consistent power output while maintaining optimal fuel economy, making it ideal for riders demanding peak performance.
Key Features
- High-Speed Fuel Flow Design: Optimized for rapid fuel delivery, ensuring maximum power output during high-performance riding.
- Durable Stainless Steel Construction: Resists corrosion and wear, ensuring long-lasting reliability in demanding environments.
- Adjustable Fuel Metering: Fine-tune fuel-air mixture for precise engine tuning and improved efficiency.
- Compatibility: Designed to fit a wide range of Mikuni carburetor models for easy integration.
Why Choose This Product
Whether you're tackling off-road trails or racing on the track, the FN102221-155 High Speed Jet delivers consistent performance with minimal maintenance. Its advanced fuel metering system reduces engine hesitation and improves throttle response, while the corrosion-resistant materials ensure durability in harsh conditions. This jet is perfect for riders who prioritize power, efficiency, and reliability in their powersports equipment.
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Elevate your powersports performance with Mikuni's FN102221-155 High Speed Jet, engineered for precision fuel delivery and unmatched engine efficiency. This advanced jet system delivers consistent power output while maintaining optimal fuel economy, making it ideal for riders demanding peak performance.
Key Features
- High-Speed Fuel Flow Design: Optimized for rapid fuel delivery, ensuring maximum power output during high-performance riding.
- Durable Stainless Steel Construction: Resists corrosion and wear, ensuring long-lasting reliability in demanding environments.
- Adjustable Fuel Metering: Fine-tune fuel-air mixture for precise engine tuning and improved efficiency.
- Compatibility: Designed to fit a wide range of Mikuni carburetor models for easy integration.
Why Choose This Product
Whether you're tackling off-road trails or racing on the track, the FN102221-155 High Speed Jet delivers consistent performance with minimal maintenance. Its advanced fuel metering system reduces engine hesitation and improves throttle response, while the corrosion-resistant materials ensure durability in harsh conditions. This jet is perfect for riders who prioritize power, efficiency, and reliability in their powersports equipment.
| SKU | GM1B71BDAE |
|---|---|
| MPN | FN102221-155 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various | Mikuni TM/PF/VM series carburetors | 1980-2025 |
Frequently Asked Questions
Fits Mikuni TM, PF, VM, and BS series carburetors on most Japanese 2-stroke/4-stroke dirt bikes and ATVs.
This is a high speed (main) jet for the main circuit.
Often yes, pair with needle, slide, and pilot jet for complete tuning.
Proper sizing can optimize fuel delivery for more power at WOT, but requires dyno or plug reading tuning.
Installation Guide
Difficulty
Easy
Est. Time
5 min
Tools Required
- Small flathead screwdriver
- Jet wrench (optional)
Pro Tips
- Clean carb thoroughly first. Test plug chop after install to verify tuning.
Common Mistakes to Avoid
- Not cleaning carb passages before install
- Incorrect jet size selection
Comparison vs Stock/OEM
Direct OEM replacement from Mikuni (carb manufacturer)
Improvements
- Precise fuel metering for custom tuning
- Pure brass construction for durability
Considerations
- Stock jets may be smaller; upgrade for mods like exhaust/air filter changes
Durability & Warranty
Expected Lifespan
Indefinite with proper maintenance (jets rarely wear out)
Warranty
Limited manufacturer warranty (defects only)
Maintenance
Inspect/clean during carb service (every 10-20 hours)
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