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Start ShoppingMIKUNI FN100606-120 Low Speed Jet - High-Performance Intake System for Powersports Vehicles
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Description
Upgrade your powersports engine's fuel delivery system with MIKUNI's FN100606-120 Low Speed Jet. This high-performance component ensures precise fuel metering for smoother acceleration, improved throttle response, and consistent power output across a wide range of operating conditions.
Key Features
- Advanced Fuel Metering: Optimizes air-fuel ratios for maximum efficiency and power delivery.
- Durable Construction: Precision-machined brass for long-lasting performance in harsh environments.
- Easy Installation: Designed for seamless integration with existing carburetor systems.
- Compatibility: Fits most MIKUNI carburetor models for powersports vehicles.
Why Choose This Product
Whether you're riding ATVs, dirt bikes, or off-road vehicles, this low-speed jet delivers reliable performance and consistent fuel delivery. Its precision engineering ensures optimal engine performance across varying throttle inputs, while the durable construction withstands extreme temperatures and vibrations. Upgrade to MIKUNI's FN100606-120 for a noticeable improvement in engine responsiveness and fuel efficiency without compromising reliability.
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Upgrade your powersports engine's fuel delivery system with MIKUNI's FN100606-120 Low Speed Jet. This high-performance component ensures precise fuel metering for smoother acceleration, improved throttle response, and consistent power output across a wide range of operating conditions.
Key Features
- Advanced Fuel Metering: Optimizes air-fuel ratios for maximum efficiency and power delivery.
- Durable Construction: Precision-machined brass for long-lasting performance in harsh environments.
- Easy Installation: Designed for seamless integration with existing carburetor systems.
- Compatibility: Fits most MIKUNI carburetor models for powersports vehicles.
Why Choose This Product
Whether you're riding ATVs, dirt bikes, or off-road vehicles, this low-speed jet delivers reliable performance and consistent fuel delivery. Its precision engineering ensures optimal engine performance across varying throttle inputs, while the durable construction withstands extreme temperatures and vibrations. Upgrade to MIKUNI's FN100606-120 for a noticeable improvement in engine responsiveness and fuel efficiency without compromising reliability.
| SKU | GM96149AA4 |
|---|---|
| MPN | FN100606-120 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various Japanese | TM/BS/VM Series Carburetors | 1980-2025 |
| Honda | CR125R, CR250R, CRF250R | 1990-2010 |
| Yamaha | YZ125, YZ250, WR250 | 1995-2020 |
Frequently Asked Questions
Fits most Mikuni TM, BS30/BS34/BS36/BS38/BS40, and VM series carburetors used on Japanese bikes/ATVs.
Universal for both; size #120 is common for mid-range tuning on many models.
Single jets available; kits recommended for full tuning range (#110-#190 typically).
Aftermarket tuning part; check with manufacturer, but common for performance mods.
Installation Guide
Difficulty
Easy
Est. Time
10 min
Tools Required
- Small flathead screwdriver
- Jet wrench or needle nose pliers
Pro Tips
- Remove carb from bike for easier access. Clean all passages with carb cleaner. Always rejet in pairs (pilot + main) and test at operating temp.
Common Mistakes to Avoid
- Dropping jet into carb body (hard to retrieve)
- Not cleaning carb before rejetting
Comparison vs Stock/OEM
Direct OEM-spec replacement or upgrade; identical to factory Mikuni jets on many Japanese bikes
Improvements
- Precise fuel delivery for lean/rich tuning
- Better throttle response when sized correctly
Considerations
- Requires dyno/tuning knowledge; improper sizing can cause lean seizures or rich fouling
Durability & Warranty
Expected Lifespan
Indefinite with proper maintenance (clean every 10-20 hours)
Warranty
Limited lifetime from Mikuni against defects
Maintenance
Remove and clean during carb service; inspect for wear/clogging
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