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Start ShoppingMIKUNI F990-793-004-Q-2 Needle Jet - High-Performance Carburetor Fuel System Component
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Description
Upgrade your powersports engine's fuel delivery system with the MIKUNI F990-793-004-Q-2 Needle Jet. This critical carburetor component ensures precise fuel metering for smoother performance, improved throttle response, and consistent power output across a range of riding conditions.
Key Features
- Precision Fuel Metering: Engineered for accurate fuel delivery, ensuring optimal engine performance and fuel efficiency.
- Durable Construction: Made from high-quality materials to withstand harsh operating conditions and prolonged use.
- Easy Installation: Designed for straightforward replacement in standard MIKUNI carburetor systems.
- Compatibility: Specifically calibrated for MIKUNI carburetors to maintain factory specifications and performance standards.
Why Choose This Product
Whether you're tuning a motorcycle, ATV, or UTV, this Needle Jet delivers reliable fuel control that enhances engine efficiency and responsiveness. Its robust design reduces maintenance needs while maintaining precise fuel-air mixture ratios for cleaner combustion and better power delivery. Ideal for riders seeking to optimize their vehicle's performance without compromising reliability.
SKU:
GM2984B561
MPN:
F990-793-004-Q-2
Category:
Intake/Carb/Fuel System
Brand:
MIKUNI
Stock:
In Stock
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Upgrade your powersports engine's fuel delivery system with the MIKUNI F990-793-004-Q-2 Needle Jet. This critical carburetor component ensures precise fuel metering for smoother performance, improved throttle response, and consistent power output across a range of riding conditions.
Key Features
- Precision Fuel Metering: Engineered for accurate fuel delivery, ensuring optimal engine performance and fuel efficiency.
- Durable Construction: Made from high-quality materials to withstand harsh operating conditions and prolonged use.
- Easy Installation: Designed for straightforward replacement in standard MIKUNI carburetor systems.
- Compatibility: Specifically calibrated for MIKUNI carburetors to maintain factory specifications and performance standards.
Why Choose This Product
Whether you're tuning a motorcycle, ATV, or UTV, this Needle Jet delivers reliable fuel control that enhances engine efficiency and responsiveness. Its robust design reduces maintenance needs while maintaining precise fuel-air mixture ratios for cleaner combustion and better power delivery. Ideal for riders seeking to optimize their vehicle's performance without compromising reliability.
| SKU | GM2984B561 |
|---|---|
| MPN | F990-793-004-Q-2 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Kawasaki | KLX450R | 2008-2012 |
| Kawasaki | KX450F | 2006-2009 |
| Suzuki | RMZ450 | 2009-2015 |
| Yamaha | YZ450F | 2007-2013 |
| Yamaha | WR450F | 2009-2014 |
Frequently Asked Questions
Fits Mikuni VM34, VM36 series carbs on Kawasaki KX/KLX, Suzuki RMZ, Yamaha YZ/WR 450 models. Check fitment tab.
Measure your current needle jet clip groove (2.5mm) and check stock jetting chart for your bike/elevation.
Yes, genuine Mikuni needle jet, part number F990-793-004-Q-2.
Used for precise fuel metering in rejetting; pairs with main/pilot jets for optimal air/fuel ratio.
Installation Guide
Difficulty
Easy
Est. Time
15 min
Tools Required
- Small flathead screwdriver
- Carburetor rebuild kit tools
- Jet gauge (optional)
Pro Tips
- Remove needle jet by unscrewing emulsion tube first. Verify size with jet gauge. Clean with carb cleaner.
Common Mistakes to Avoid
- Not cleaning carb passages before install
- Installing wrong size jet
Comparison vs Stock/OEM
Direct OEM replacement for factory Mikuni carbs
Improvements
- Precise fuel metering for custom jetting
- Brass construction matches OEM durability
Considerations
- Sizing must match your setup; not a 'performance upgrade' alone
Durability & Warranty
Expected Lifespan
Carburetor service interval (typically 50-100 hours riding)
Warranty
Mikuni 1-year limited warranty
Maintenance
Inspect during carb cleaning; replace if corroded or damaged
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