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Start ShoppingMIKUNI FN102221-107.5 High Speed Jet - Precision Fuel Delivery for Power Sports
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Description
Upgrade your power sports engine with the MIKUNI FN102221-107.5 High Speed Jet, engineered for precise fuel metering and maximum performance. This premium jet ensures consistent power delivery, fuel efficiency, and reliable operation for off-road and on-road applications.
Key Features
- High-Speed Fuel Delivery: Optimized for rapid fuel flow, ensuring peak engine performance under demanding conditions.
- Durable Construction: Precision-machined brass for long-lasting reliability in harsh environments.
- Easy Adjustment: Simple setup for fine-tuning air-fuel ratios without specialized tools.
- Universal Compatibility: Designed to fit a wide range of power sports engines for versatile use.
Why Choose This Product
Whether you're tackling rugged trails or high-speed tracks, the MIKUNI FN102221-107.5 High Speed Jet delivers unmatched precision and performance. Its robust design withstands extreme temperatures and vibrations, while its adjustable settings let you customize fuel delivery for your specific riding needs. Trust MIKUNI's reputation for quality to enhance your engine's power, efficiency, and responsiveness.
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Upgrade your power sports engine with the MIKUNI FN102221-107.5 High Speed Jet, engineered for precise fuel metering and maximum performance. This premium jet ensures consistent power delivery, fuel efficiency, and reliable operation for off-road and on-road applications.
Key Features
- High-Speed Fuel Delivery: Optimized for rapid fuel flow, ensuring peak engine performance under demanding conditions.
- Durable Construction: Precision-machined brass for long-lasting reliability in harsh environments.
- Easy Adjustment: Simple setup for fine-tuning air-fuel ratios without specialized tools.
- Universal Compatibility: Designed to fit a wide range of power sports engines for versatile use.
Why Choose This Product
Whether you're tackling rugged trails or high-speed tracks, the MIKUNI FN102221-107.5 High Speed Jet delivers unmatched precision and performance. Its robust design withstands extreme temperatures and vibrations, while its adjustable settings let you customize fuel delivery for your specific riding needs. Trust MIKUNI's reputation for quality to enhance your engine's power, efficiency, and responsiveness.
| SKU | GM6E1F7FF8 |
|---|---|
| MPN | FN102221-107.5 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various (Suzuki, Yamaha, Kawasaki, Honda) | Multiple carbureted models (VM, BS, PD series carbs) | 1980-2025 |
Frequently Asked Questions
Fits most Mikuni round-slide carbs like VM26/VM28/VM30/VM32/VM34/VM36, BS30/BS32/BS36/BS38/BS40/BS42, and PD36/PD38 series.
This is a high speed (main) jet only. Pilot jets have different part numbers like N100.xxx.
Single jet for tuning existing carb. Consider full rebuild kit if carbs are gummed up.
No, this is for carbureted models only. EFI bikes use different fueling systems.
Use plug chop method, EGT gauge, or Mikuni jetting chart based on mods, altitude, and temperature.
Installation Guide
Difficulty
Easy
Est. Time
5 min
Tools Required
- Small flathead screwdriver
- Jet wrench or needle nose pliers
Pro Tips
- Remove carb, unscrew emulsion tube, replace main jet, clean with carb cleaner. Always rejet in pairs for dual carbs. Use jet chart for altitude/temp tuning.
Common Mistakes to Avoid
- Installing wrong jet size
- Not cleaning carb passages before install
- Over-tightening emulsion tube
Comparison vs Stock/OEM
Direct OEM replacement or performance upgrade for stock Mikuni carbs
Improvements
- Precise fuel delivery for optimal air/fuel ratio
- Better throttle response and power
- Corrosion-resistant brass construction
Considerations
- Requires tuning knowledge; improper size can cause lean/rich conditions
Durability & Warranty
Expected Lifespan
Indefinite with proper maintenance (carb rebuild every 50-100 hours)
Warranty
Limited lifetime from Mikuni against defects
Maintenance
Inspect during carb cleaning; replace if eroded or clogged
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