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Start ShoppingMIKUNI FN151067-52.5 Bleed Pilot Jet - Precision Fuel Control for High-Performance Engines
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Description
Upgrade your powersports engine's fuel delivery system with the MIKUNI FN151067-52.5 Bleed Pilot Jet. This precision-engineered component ensures optimal fuel-air mixture control, delivering enhanced throttle response and consistent power output for motorcycles, ATVs, and off-road vehicles.
Key Features
- Exact Fuel Flow Regulation: Precise calibration ensures optimal fuel delivery for peak engine performance across varying conditions.
- Durable Brass Construction: Corrosion-resistant material withstands harsh environments and maintains accuracy over time.
- Easy Installation: Designed for seamless integration with MIKUNI carburetor systems, reducing setup complexity.
- Compatibility: Specifically engineered for MIKUNI carburetors, ensuring proper system balance and efficiency.
Why Choose This Product
Whether you're tuning a high-performance motorcycle or optimizing an ATV's fuel system, this bleed pilot jet offers reliable fuel control that enhances engine efficiency, reduces hesitation, and improves overall ride quality. Its robust construction ensures long-term durability, while precise engineering delivers consistent performance in demanding off-road conditions. Perfect for mechanics and riders seeking to maximize power and fuel economy without compromising reliability.
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Upgrade your powersports engine's fuel delivery system with the MIKUNI FN151067-52.5 Bleed Pilot Jet. This precision-engineered component ensures optimal fuel-air mixture control, delivering enhanced throttle response and consistent power output for motorcycles, ATVs, and off-road vehicles.
Key Features
- Exact Fuel Flow Regulation: Precise calibration ensures optimal fuel delivery for peak engine performance across varying conditions.
- Durable Brass Construction: Corrosion-resistant material withstands harsh environments and maintains accuracy over time.
- Easy Installation: Designed for seamless integration with MIKUNI carburetor systems, reducing setup complexity.
- Compatibility: Specifically engineered for MIKUNI carburetors, ensuring proper system balance and efficiency.
Why Choose This Product
Whether you're tuning a high-performance motorcycle or optimizing an ATV's fuel system, this bleed pilot jet offers reliable fuel control that enhances engine efficiency, reduces hesitation, and improves overall ride quality. Its robust construction ensures long-term durability, while precise engineering delivers consistent performance in demanding off-road conditions. Perfect for mechanics and riders seeking to maximize power and fuel economy without compromising reliability.
| SKU | GMC8DC509C |
|---|---|
| MPN | FN151067-52.5 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various (Keihin/Mikuni carbureted bikes) | Many 2-stroke and 4-stroke motorcycles/ATVs | 1985-2024 |
Frequently Asked Questions
Fits Mikuni VM, PF, BS series carbs (common on Yamaha, Honda, Kawasaki, Suzuki 2-stroke/4-stroke bikes). Confirm carb model.
Bleed type has an air bleed hole for finer low-speed tuning, reduces bogging and improves throttle response.
Check plug color after ride: white=lean (go bigger), black=rich (go smaller). Start 1-2 sizes from stock.
Yes, OEM Mikuni part number FN151067-52.5. Avoid cheap knockoffs.
Installation Guide
Difficulty
Easy
Est. Time
10 min
Tools Required
- Small flathead screwdriver
- Jet removal tool or needle nose pliers
Pro Tips
- Mark jet size before removal. Clean with carb cleaner. Test tune in small increments (1/2 size at a time)
Common Mistakes to Avoid
- Dropping the tiny jet into carb body (use magnet or sticky tape)
- Not cleaning carb passages before install
Comparison vs Stock/OEM
Direct OEM replacement or upgrade for precise fueling
Improvements
- Better low-end response
- Easier tuning for altitude/temp changes
- Eliminates lean bog
Considerations
- Requires carb tuning knowledge; not plug-and-play without testing
Durability & Warranty
Expected Lifespan
Indefinite (does not wear out; replace if clogged)
Warranty
Mikuni lifetime against defects
Maintenance
Clean during carb service (every 10-20 hours); inspect for debris
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