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Start ShoppingMikuni FN102221-70 High Speed Jet - Precision Fuel Delivery for Power Sports Enthusiasts
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Description
Elevate your power sports performance with Mikuni's High Speed Jet, engineered for precise fuel delivery and maximum engine efficiency. This critical component ensures consistent fuel metering for reliable power output in high-performance engines.
Key Features
- Precision Fuel Metering: Advanced design ensures accurate fuel flow for optimal combustion efficiency.
- Durable Construction: High-quality materials withstand extreme operating conditions and prolonged use.
- Easy Installation: Compatible with standard carburetor setups for quick integration.
- Performance Optimization: Enhances throttle response and fuel economy in power sports applications.
Why Choose This Product
Whether you're riding ATVs, dirt bikes, or off-road vehicles, this Mikuni jet delivers reliable performance through precise fuel calibration. Its robust design reduces maintenance needs while improving engine responsiveness. The straightforward installation process makes it an ideal upgrade for riders seeking enhanced power delivery without compromising reliability.
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Elevate your power sports performance with Mikuni's High Speed Jet, engineered for precise fuel delivery and maximum engine efficiency. This critical component ensures consistent fuel metering for reliable power output in high-performance engines.
Key Features
- Precision Fuel Metering: Advanced design ensures accurate fuel flow for optimal combustion efficiency.
- Durable Construction: High-quality materials withstand extreme operating conditions and prolonged use.
- Easy Installation: Compatible with standard carburetor setups for quick integration.
- Performance Optimization: Enhances throttle response and fuel economy in power sports applications.
Why Choose This Product
Whether you're riding ATVs, dirt bikes, or off-road vehicles, this Mikuni jet delivers reliable performance through precise fuel calibration. Its robust design reduces maintenance needs while improving engine responsiveness. The straightforward installation process makes it an ideal upgrade for riders seeking enhanced power delivery without compromising reliability.
| SKU | GMA7AD5F92 |
|---|---|
| MPN | FN102221-70 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various | Mikuni VM series carburetors (VM26-428, VM30-88, etc.) | 1980-2025 |
| Yamaha | XT600, SRX600 (VM34 carb) | 1990-2010 |
| Suzuki | DR350, DRZ400 (VM36 carb) | 1985-2005 |
| Honda | XR400R, CRF450R (VM36/VM40 carbs) | 1995-2020 |
Frequently Asked Questions
Fits Mikuni VM series carbs like VM26, VM30, VM34, VM36, VM38, VM40. Confirm your carb model and current jet size.
This is a high speed (main) jet for the main circuit, not pilot.
It adjusts fuel flow for richer mixture; proper sizing improves performance but requires tuning based on mods, altitude, etc.
Yes, for fine-tuning stock Mikuni carbs, especially at elevation or with exhaust/air filter mods.
Check plug color after WOT run; white/lean = larger jet needed. Consult jetting chart for your setup.
Installation Guide
Difficulty
Easy
Est. Time
5 min
Tools Required
- Small flathead screwdriver
- Jet cleaning wire or carb cleaner
Pro Tips
- Use carb cleaner to verify jet size markings
- Always rejet in pairs (pilot + main) for balance
Common Mistakes to Avoid
- Not cleaning the needle jet orifice before install
- Installing wrong size jet
Comparison vs Stock/OEM
Direct replacement or upgrade for OEM Mikuni jets in Japanese bikes; same high-quality brass construction
Improvements
- Precise fuel metering for custom tuning
- Better corrosion resistance than some OEM alloys
Considerations
- Genuine Mikuni, not cheaper knockoffs which may have inconsistent sizing
Durability & Warranty
Expected Lifespan
Indefinite with proper cleaning; lasts full engine life
Warranty
Limited lifetime by Mikuni against defects
Maintenance
Remove and clean with carb cleaner every 20-50 hours of riding
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