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Start ShoppingMIKUNI FN151067-47.5 Bleed Pilot Jets - Precision Fuel Jet for Powersports Engines
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Description
Upgrade your powersports engine's fuel delivery system with MIKUNI's precision-engineered bleed pilot jets. Designed for exacting performance, these jets ensure consistent fuel flow and optimal engine efficiency, whether you're racing or riding recreationally.
Key Features
- Exact Fuel Flow Control: Advanced metering ensures precise air-fuel ratios for peak engine performance.
- Compatibility: Specifically calibrated for MIKUNI carburetor systems to maintain factory specifications.
- Durable Construction: High-grade brass alloy resists corrosion and maintains accuracy under extreme conditions.
- Easy Installation: Streamlined design fits standard carburetor setups with minimal adjustment required.
Why Choose This Product
These bleed pilot jets are essential for riders seeking reliable fuel delivery and consistent engine performance. By maintaining proper fuel metering, they help prevent engine hesitation, improve throttle response, and extend engine life. Whether you're modifying your powersports vehicle or maintaining its factory setup, these jets deliver precision engineering for professional results.
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Upgrade your powersports engine's fuel delivery system with MIKUNI's precision-engineered bleed pilot jets. Designed for exacting performance, these jets ensure consistent fuel flow and optimal engine efficiency, whether you're racing or riding recreationally.
Key Features
- Exact Fuel Flow Control: Advanced metering ensures precise air-fuel ratios for peak engine performance.
- Compatibility: Specifically calibrated for MIKUNI carburetor systems to maintain factory specifications.
- Durable Construction: High-grade brass alloy resists corrosion and maintains accuracy under extreme conditions.
- Easy Installation: Streamlined design fits standard carburetor setups with minimal adjustment required.
Why Choose This Product
These bleed pilot jets are essential for riders seeking reliable fuel delivery and consistent engine performance. By maintaining proper fuel metering, they help prevent engine hesitation, improve throttle response, and extend engine life. Whether you're modifying your powersports vehicle or maintaining its factory setup, these jets deliver precision engineering for professional results.
| SKU | GMA9295B25 |
|---|---|
| MPN | FN151067-47.5 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various Japanese | Models with Mikuni VM or BS carburetors (e.g., Yamaha YZ, Suzuki RM, Honda CR, Kawasaki KX) | 1985-2024 |
Frequently Asked Questions
Fits Mikuni VM series (round/flat slide) and BS series carbs on most Japanese dirt bikes and ATVs.
Depends on your model; typically used for altitude or temp adjustments. Larger number = richer mixture.
No, this is a single bleed pilot jet. Consider matching main/slow jets for complete tuning.
Carb modifications generally don't void engine warranties, but check with manufacturer.
Installation Guide
Difficulty
Easy
Est. Time
15 min
Tools Required
- Small flathead screwdriver
- Carburetor rebuild kit (optional)
- Jet gauge (recommended)
Pro Tips
- Remove carburetor fully for best access. Clean all jets and passages with carb cleaner. Test air/fuel mixture after install.
Common Mistakes to Avoid
- Not cleaning carb passages before install
- Incorrect jet sizing without re-jetting the main jet
Comparison vs Stock/OEM
Direct OEM-spec replacement or tuning upgrade from Mikuni (OEM supplier for many bikes)
Improvements
- Precise fuel metering for better throttle response
- Adjustable for elevation/temp changes vs fixed stock jets
Considerations
- Requires tuning knowledge; improper sizing can cause lean/rich conditions
Durability & Warranty
Expected Lifespan
Indefinite with proper maintenance (metal jet doesn't wear out)
Warranty
Limited lifetime from Mikuni against defects
Maintenance
Inspect/clean during carb service (every 20-50 hours)
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