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Start ShoppingMIKUNI FN102221-30 High Speed Jet - Precision Fuel Delivery for Power & Performance
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Description
Elevate your engine's performance with the MIKUNI FN102221-30 High Speed Jet, engineered for precision fuel delivery and unmatched reliability. This high-speed jet is designed to deliver consistent power output while maintaining fuel efficiency, making it an essential upgrade for performance-oriented riders.
Key Features
- High-Speed Fuel Metering: Optimizes fuel-air mixture for maximum power and responsiveness across varying engine speeds.
- Durable Construction: Precision-machined brass components ensure long-lasting performance in demanding conditions.
- Easy Adjustment: Simple needle jet configuration allows for quick tuning to match engine specifications and riding conditions.
- Universal Compatibility: Designed to fit a wide range of two-stroke engines for versatile application.
- Smooth Operation: Reduces fuel hesitation and ensures consistent throttle response for a refined ride.
Why Choose This Product
Upgrade your engine's performance with a jet that combines precision engineering with rider-friendly design. Whether you're tackling off-road trails or street riding, this high-speed jet delivers reliable power, efficient fuel consumption, and easy maintenance. Its robust construction ensures it withstands harsh environments, while the adjustable setup lets you tailor performance to your specific needs. Trust MIKUNI's reputation for quality to enhance your machine's capabilities and riding experience.
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Elevate your engine's performance with the MIKUNI FN102221-30 High Speed Jet, engineered for precision fuel delivery and unmatched reliability. This high-speed jet is designed to deliver consistent power output while maintaining fuel efficiency, making it an essential upgrade for performance-oriented riders.
Key Features
- High-Speed Fuel Metering: Optimizes fuel-air mixture for maximum power and responsiveness across varying engine speeds.
- Durable Construction: Precision-machined brass components ensure long-lasting performance in demanding conditions.
- Easy Adjustment: Simple needle jet configuration allows for quick tuning to match engine specifications and riding conditions.
- Universal Compatibility: Designed to fit a wide range of two-stroke engines for versatile application.
- Smooth Operation: Reduces fuel hesitation and ensures consistent throttle response for a refined ride.
Why Choose This Product
Upgrade your engine's performance with a jet that combines precision engineering with rider-friendly design. Whether you're tackling off-road trails or street riding, this high-speed jet delivers reliable power, efficient fuel consumption, and easy maintenance. Its robust construction ensures it withstands harsh environments, while the adjustable setup lets you tailor performance to your specific needs. Trust MIKUNI's reputation for quality to enhance your machine's capabilities and riding experience.
| SKU | GM6E89EEDB |
|---|---|
| MPN | FN102221-30 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various | Mikuni VM/PF/BS carbureted motorcycles, ATVs | 1980-2025 |
| Suzuki | DR350/DRZ400 (select models) | 1990-2010 |
| Honda | XR250R/XR400R/XR650L | 1985-2005 |
| Yamaha | XT225, TTR225/250 | 1995-2020 |
Frequently Asked Questions
Fits most Mikuni VM, PF, BS series carbs (e.g., VM26, VM30, VM34-VM40). Check your carb markings.
This is the high speed (main) jet for the main circuit, not pilot.
Often bought individually for fine-tuning existing setups or as part of a full jet kit.
Proper sizing can optimize air/fuel ratio for better performance at wide-open throttle.
#220 main jet size.
Installation Guide
Difficulty
Easy
Est. Time
5 min
Tools Required
- Small flathead screwdriver
- Jet wrench or needle nose pliers
Pro Tips
- Remove carb float bowl fully. Note original jet size. Clean all parts with carb cleaner. Test in short bursts after install.
Common Mistakes to Avoid
- Dropping jet into carb body (use magnet tool)
- Not cleaning needle jet before install
Comparison vs Stock/OEM
OEM jets are often smaller; this #220 is larger for modified/exhaust/air filter setups
Improvements
- Better fueling for high RPM/power
- Eliminates lean conditions
- Improved throttle response
Considerations
- Must match intake/exhaust mods; may require dyno tuning for optimal AFR
Durability & Warranty
Expected Lifespan
Indefinite with proper maintenance (does not wear out like needles)
Warranty
Limited lifetime from Mikuni against defects
Maintenance
Inspect/clean during carb service (every 20-50 hours). Replace if corroded.
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