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Start ShoppingMIKUNI FVM38/41-P-4 Needle Jet - High-Performance Carburetor Fuel System for Powersports Vehicles
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Description
Upgrade your powersports engine's fuel delivery system with the MIKUNI FVM38/41-P-4 Needle Jet. This high-performance component ensures precise fuel metering for improved throttle response, power output, and overall engine efficiency in motorcycles, ATVs, and other off-road vehicles.
Key Features
- Precision Fuel Metering: Engineered for accurate fuel delivery, ensuring optimal combustion and performance across a wide range of operating conditions.
- Compatibility: Designed to fit MIKUNI carburetor systems, making it an ideal replacement for stock or modified engines.
- Durable Construction: Made from high-quality materials to withstand harsh environments and prolonged use without degradation.
- Easy Installation: Streamlined design allows for straightforward replacement, minimizing downtime and labor costs.
Why Choose This Product
Whether you're tuning a high-performance engine or maintaining a reliable powersports vehicle, the MIKUNI Needle Jet delivers consistent fuel flow for smoother acceleration, better fuel efficiency, and enhanced engine longevity. Its precision engineering ensures compatibility with both stock and modified carburetor setups, making it a trusted choice for riders who demand reliability and performance. Upgrade your fuel system today for a noticeable improvement in engine response and overall riding experience.
SKU:
GM96612F0A
MPN:
FVM38/41-P-4
Category:
Intake/Carb/Fuel System
Brand:
MIKUNI
Stock:
Only 1 left!
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Upgrade your powersports engine's fuel delivery system with the MIKUNI FVM38/41-P-4 Needle Jet. This high-performance component ensures precise fuel metering for improved throttle response, power output, and overall engine efficiency in motorcycles, ATVs, and other off-road vehicles.
Key Features
- Precision Fuel Metering: Engineered for accurate fuel delivery, ensuring optimal combustion and performance across a wide range of operating conditions.
- Compatibility: Designed to fit MIKUNI carburetor systems, making it an ideal replacement for stock or modified engines.
- Durable Construction: Made from high-quality materials to withstand harsh environments and prolonged use without degradation.
- Easy Installation: Streamlined design allows for straightforward replacement, minimizing downtime and labor costs.
Why Choose This Product
Whether you're tuning a high-performance engine or maintaining a reliable powersports vehicle, the MIKUNI Needle Jet delivers consistent fuel flow for smoother acceleration, better fuel efficiency, and enhanced engine longevity. Its precision engineering ensures compatibility with both stock and modified carburetor setups, making it a trusted choice for riders who demand reliability and performance. Upgrade your fuel system today for a noticeable improvement in engine response and overall riding experience.
| SKU | GM96612F0A |
|---|---|
| MPN | FVM38/41-P-4 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various Japanese | VM38/VM41 carbureted motorcycles | 1980-2024 |
| Suzuki | GSX600F, GSX750F, Bandit series | 1990-2010 |
| Kawasaki | Ninja ZX-6R, ZX-7R, ZX-9R | 1985-2005 |
Frequently Asked Questions
Fits Mikuni VM38 and VM41 series carbs, common on 250-750cc sportbikes from 1980s-2000s.
OEM-spec replacement jet for precise fuel metering.
Often paired with main/pilot jet changes for altitude/temp adjustments.
Optimizes fuel delivery in mid-throttle range for smoother power.
Installation Guide
Difficulty
Easy
Est. Time
15 min
Tools Required
- Small flathead screwdriver
- Needle nose pliers
- Carb cleaning kit
Pro Tips
- Mark needle clip position before disassembly. Use carb cleaner to inspect jet holes for clogs.
Common Mistakes to Avoid
- Forgetting to note original jet position
- Not cleaning carb passages before install
Comparison vs Stock/OEM
Direct OEM replacement for worn factory needle jets
Improvements
- Restores precise fuel atomization
- Eliminates lean/rich spots from wear
Considerations
- No performance gain over new OEM; use for tuning
Durability & Warranty
Expected Lifespan
Indefinite with proper jetting (brass construction)
Warranty
Manufacturer defect warranty through retailer
Maintenance
Inspect/clean during annual carb service; replace if grooves worn
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