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Start ShoppingMIKUNI FN100606-135 Low Speed Jet - High-Performance Fuel System for Powersports
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Description
Upgrade your powersports engine's performance with MIKUNI's Low Speed Jet system. This high-precision fuel delivery solution ensures optimal combustion efficiency, delivering consistent power and reliability for off-road and recreational vehicles.
Key Features
- Advanced Fuel Metering: Precise fuel-air mixture control for maximum engine performance and fuel efficiency.
- Durable Construction: High-quality materials withstand harsh conditions and prolonged use.
- Easy Installation: Designed for straightforward integration with existing engine systems.
- Compatibility: Fits a wide range of 2-stroke powersports engines for versatile application.
Why Choose This Product
Whether you're tackling rugged terrain or enjoying weekend rides, this MIKUNI system offers reliable fuel delivery that enhances engine responsiveness and longevity. Its compact design and robust build make it an ideal upgrade for riders seeking improved performance without compromising on durability.
SKU:
GM205087B1
MPN:
FN100606-135
Category:
Intake/Carb/Fuel System
Brand:
MIKUNI
Stock:
Only 5 left!
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Upgrade your powersports engine's performance with MIKUNI's Low Speed Jet system. This high-precision fuel delivery solution ensures optimal combustion efficiency, delivering consistent power and reliability for off-road and recreational vehicles.
Key Features
- Advanced Fuel Metering: Precise fuel-air mixture control for maximum engine performance and fuel efficiency.
- Durable Construction: High-quality materials withstand harsh conditions and prolonged use.
- Easy Installation: Designed for straightforward integration with existing engine systems.
- Compatibility: Fits a wide range of 2-stroke powersports engines for versatile application.
Why Choose This Product
Whether you're tackling rugged terrain or enjoying weekend rides, this MIKUNI system offers reliable fuel delivery that enhances engine responsiveness and longevity. Its compact design and robust build make it an ideal upgrade for riders seeking improved performance without compromising on durability.
| SKU | GM205087B1 |
|---|---|
| MPN | FN100606-135 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various Japanese | Carbureted Motorcycles/ATVs (e.g., Honda XR series, Yamaha YZ, Kawasaki KX, Suzuki RM) | 1980-2025 |
| Honda | XR250R, XR400R, CRF230F | 1990-2010 |
| Yamaha | XT225, TTR225, YZ125/250 | 1985-2005 |
| Kawasaki | KLX250, KDX200/220 | 1990-2015 |
Frequently Asked Questions
Fits Mikuni VM26-VM44, PF30-PF39, BS32/34/36/38 series carburetors commonly on Japanese bikes/ATVs.
This is a low speed main jet (smaller main jet for low RPM circuit), not pilot.
Single jet for custom tuning; often bought with full rejet kit for elevation/ mods.
#135 is mid-size; larger than stock #128-130 for richer low-speed mixture.
Installation Guide
Difficulty
Easy
Est. Time
10 min
Tools Required
- Small flathead screwdriver
- Jet wrench or needle nose pliers
Pro Tips
- Remove carb, unscrew emulsion tube to access jet. Clean all passages. Test low-speed tuning with plug chop method.
Common Mistakes to Avoid
- Dropping jet into carb body (use carb cleaner flush if lost)
- Not cleaning carb before install
Comparison vs Stock/OEM
Direct OEM-spec replacement or upgrade for worn jets; identical to factory Mikuni jets on many bikes.
Improvements
- Precise fuel delivery for better low-end response
- New brass resists corrosion vs. old jets
Considerations
- Requires tuning; improper size can cause lean/rich conditions
Durability & Warranty
Expected Lifespan
Indefinite with proper tuning (lasts engine life unless crashed)
Warranty
Limited lifetime from Mikuni against defects
Maintenance
Inspect during carb cleans (every 20-50 hours); replace if eroded
What Others Are Saying
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