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Start ShoppingMIKUNI FVM11/22-77.5 Round Main Jets - Precision Fuel Delivery for High-Performance Powersports Engines
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Description
Upgrade your powersports engine's fuel delivery system with these precision-engineered MIKUNI Round Main Jets. Designed for optimal airflow control, these jets deliver consistent performance across a wide range of operating conditions.
Key Features
- Exact Fuel Metering: Ensures precise fuel-air mixture for improved throttle response and power delivery.
- Durable Brass Construction: Resists corrosion and maintains accuracy through rigorous use in demanding environments.
- Compatibility: Specifically engineered for MIKUNI FVM11/22 carburetor models with 77.5mm main jet bore.
- Easy Installation: Streamlined design fits standard carburetor setups with minimal modification required.
Why Choose This Product
These main jets offer a perfect balance of performance and reliability for powersports enthusiasts. The precise fuel delivery system enhances engine efficiency, while the durable construction ensures long-term durability. Whether you're tuning for racing or everyday use, these jets provide consistent performance and smooth power delivery across all RPM ranges.
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Upgrade your powersports engine's fuel delivery system with these precision-engineered MIKUNI Round Main Jets. Designed for optimal airflow control, these jets deliver consistent performance across a wide range of operating conditions.
Key Features
- Exact Fuel Metering: Ensures precise fuel-air mixture for improved throttle response and power delivery.
- Durable Brass Construction: Resists corrosion and maintains accuracy through rigorous use in demanding environments.
- Compatibility: Specifically engineered for MIKUNI FVM11/22 carburetor models with 77.5mm main jet bore.
- Easy Installation: Streamlined design fits standard carburetor setups with minimal modification required.
Why Choose This Product
These main jets offer a perfect balance of performance and reliability for powersports enthusiasts. The precise fuel delivery system enhances engine efficiency, while the durable construction ensures long-term durability. Whether you're tuning for racing or everyday use, these jets provide consistent performance and smooth power delivery across all RPM ranges.| SKU | GM50EC7D2F |
|---|---|
| MPN | FVM11/22-77.5 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various | Mikuni VM26/VM28/VM30/VM32/VM34/VM36/VM38/VM40 carbureted motorcycles, ATVs | 1980-2024 |
| Yamaha | XT250, TTR225, YZ125/250 | 1990-2010 |
| Honda | XR250R, XR400R, CRF230 | 1985-2005 |
| Suzuki | DR-Z400, RM250 | 1995-2020 |
| Kawasaki | KLX300, KDX200/220 | 2000-2015 |
Frequently Asked Questions
Fits Mikuni VM series round main jets (VM20 to VM40 sizes). Confirm your carb model.
Use a Mikuni jetting chart based on altitude, temperature, mods, and exhaust/air filter.
This is the main jet only, controls fuel at wide open throttle.
No, Mikuni jets have different threading; Keihin uses different jets.
FVM11/22 are round style for specific VM carbs; square jets are for BS/VM PDS carbs.
Installation Guide
Difficulty
Easy
Est. Time
5 min
Tools Required
- Small flathead screwdriver
- Jet cleaning wire or compressed air
Pro Tips
- Use jetting chart for your elevation/temp. Blow out passages with carb cleaner. Mark original jet size for reference.
Common Mistakes to Avoid
- Installing wrong jet size without re-jetting chart
- Not cleaning carb passages before install
Comparison vs Stock/OEM
Direct OEM replacement or upgrade for worn jets; same brass construction and precision
Improvements
- New jet restores factory fuel delivery
- Enables tuning for mods/altitude vs fixed OEM
Considerations
- Must select correct size; OEM may be pre-sized for stock setup
Durability & Warranty
Expected Lifespan
Indefinite with proper cleaning; replace when clogged or worn (every 50-100 hours)
Warranty
Limited lifetime by Mikuni against defects
Maintenance
Clean with carb cleaner and wire during service; inspect for damage
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