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Start ShoppingMikuni FN102221-162.5 High-Speed Jet - Precision Fuel Delivery for Power Sports
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Description
Elevate your power sports experience with the Mikuni FN102221-162.5 High-Speed Jet, engineered for unmatched fuel efficiency and high-performance output. This premium jet system ensures optimal fuel-air mixture delivery, delivering consistent power and reliability for motorcycles, ATVs, and more.
Key Features
- High-Speed Fuel Delivery: Precision-engineered for maximum performance at high RPMs, ensuring consistent power output across all operating conditions.
- Durable Construction: Made from corrosion-resistant materials to withstand harsh environments and prolonged use.
- Easy Maintenance: Simple adjustment and cleaning processes for hassle-free upkeep and extended service life.
- Adjustable Settings: Customizable jetting for fine-tuning to match specific engine requirements and fuel types.
- Universal Compatibility: Designed to fit a wide range of power sports engines for versatile application.
Why Choose This Product
Whether you're racing or riding, the Mikuni FN102221-162.5 High-Speed Jet offers a perfect balance of power, efficiency, and durability. Its advanced design minimizes fuel waste while maximizing engine performance, making it a trusted choice for serious riders. The intuitive setup and robust build ensure long-term reliability, while the precise fuel delivery system enhances throttle response and overall engine efficiency.
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Elevate your power sports experience with the Mikuni FN102221-162.5 High-Speed Jet, engineered for unmatched fuel efficiency and high-performance output. This premium jet system ensures optimal fuel-air mixture delivery, delivering consistent power and reliability for motorcycles, ATVs, and more.
Key Features
- High-Speed Fuel Delivery: Precision-engineered for maximum performance at high RPMs, ensuring consistent power output across all operating conditions.
- Durable Construction: Made from corrosion-resistant materials to withstand harsh environments and prolonged use.
- Easy Maintenance: Simple adjustment and cleaning processes for hassle-free upkeep and extended service life.
- Adjustable Settings: Customizable jetting for fine-tuning to match specific engine requirements and fuel types.
- Universal Compatibility: Designed to fit a wide range of power sports engines for versatile application.
Why Choose This Product
Whether you're racing or riding, the Mikuni FN102221-162.5 High-Speed Jet offers a perfect balance of power, efficiency, and durability. Its advanced design minimizes fuel waste while maximizing engine performance, making it a trusted choice for serious riders. The intuitive setup and robust build ensure long-term reliability, while the precise fuel delivery system enhances throttle response and overall engine efficiency.
| SKU | GM7C12ABC8 |
|---|---|
| MPN | FN102221-162.5 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various | Mikuni VM/PF/BS series carbureted motorcycles, ATVs | 1980-2025 |
| Honda | XR250R, XR400R, CRF450R (pre-EFI) | 1990-2010 |
| Yamaha | YZ125/250, WR250/400/426/450 | 1985-2020 |
| Kawasaki | KX250/500, KLX300 | 1990-2015 |
Frequently Asked Questions
Fits most Mikuni VM, PF, BS series round slide carbs (e.g., VM26/30, BS32/36). Check your carb markings.
Use when stock jet is too lean at WOT/high RPM. Symptoms: pinging, overheating. Jet kit recommended for tuning.
Yes, high speed/main jet controls fuel from 1/2 to full throttle.
No, Mikuni jets have different threading. Confirm carb type.
Installation Guide
Difficulty
Easy
Est. Time
5 min
Tools Required
- Small flathead screwdriver
- Jet wrench or needle nose pliers
Pro Tips
- Count turns on air screw before disassembly
- Clean jet thoroughly with carb cleaner
- Test multiple jet sizes for optimal tuning
Common Mistakes to Avoid
- Not cleaning carb passages before install
- Installing without removing float bowl gasket
Comparison vs Stock/OEM
Direct OEM replacement or performance upgrade; identical to factory spec for many Japanese bikes
Improvements
- Precision machined for consistent flow
- Better corrosion resistance than generic jets
Considerations
- Genuine Mikuni preferred over aftermarket copies for accuracy
Durability & Warranty
Expected Lifespan
Indefinite with proper maintenance (clean every service)
Warranty
Limited lifetime against manufacturing defects (Mikuni policy)
Maintenance
Remove and clean with carb cleaner every 10-20 hours riding or annually
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