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Start ShoppingMIKUNI F4/042-290 Hex Main Jets - Precision Fuel Control for Powersports Engines
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Description
Upgrade your powersports engine's fuel delivery system with MIKUNI's F4/042-290 Hex Main Jets. These precision-engineered jets ensure optimal fuel-air mixture for enhanced performance, responsiveness, and fuel efficiency across a range of riding conditions.
Key Features
- Hexagonal Design: Ensures secure, leak-free installation in MIKUNI carburetor systems
- High-Quality Brass: Durable construction resists corrosion and maintains accuracy under extreme temperatures
- Exact Fitment: Precision-machined for seamless compatibility with F4/042-290 carburetor models
- Easy Installation: Simple replacement for quick performance upgrades without complex modifications
Why Choose This Product
These main jets deliver consistent fuel flow for smoother throttle response, improved horsepower, and better fuel economy. Ideal for riders seeking to fine-tune their engine's performance while maintaining reliability in demanding off-road and street environments. Perfect for both stock and modified powersports engines requiring precise fuel control.
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Upgrade your powersports engine's fuel delivery system with MIKUNI's F4/042-290 Hex Main Jets. These precision-engineered jets ensure optimal fuel-air mixture for enhanced performance, responsiveness, and fuel efficiency across a range of riding conditions.
Key Features
- Hexagonal Design: Ensures secure, leak-free installation in MIKUNI carburetor systems
- High-Quality Brass: Durable construction resists corrosion and maintains accuracy under extreme temperatures
- Exact Fitment: Precision-machined for seamless compatibility with F4/042-290 carburetor models
- Easy Installation: Simple replacement for quick performance upgrades without complex modifications
Why Choose This Product
These main jets deliver consistent fuel flow for smoother throttle response, improved horsepower, and better fuel economy. Ideal for riders seeking to fine-tune their engine's performance while maintaining reliability in demanding off-road and street environments. Perfect for both stock and modified powersports engines requiring precise fuel control.| SKU | GM86C2EA30 |
|---|---|
| MPN | F4/042-290 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various | Carbureted motorcycles/ATVs | 1985-2025 |
| Yamaha | YFM350 Grizzly | 2000-2010 |
| Honda | TRX300 FourTrax | 1997-2006 |
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