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Start ShoppingMIKUNI FN151067-40 Bleed Pilot Jets - Precision Fuel Mixture Control for Carburetors
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Description
Enhance your engine's low-speed performance with MIKUNI's high-quality Bleed Pilot Jets. These critical components ensure precise fuel-air mixture control, delivering smoother throttle response and improved fuel efficiency for your powersports equipment.
Key Features
- Precision Engineering: Meticulously crafted for accurate fuel delivery and optimal engine performance.
- Compatibility: Designed to fit original equipment specifications for seamless integration.
- Durable Material: Made from corrosion-resistant brass for long-lasting reliability in harsh environments.
Why Choose This Product
MIKUNI Bleed Pilot Jets offer superior fuel mixture control, ensuring consistent power delivery across all RPM ranges. Their precision design reduces fuel waste and minimizes engine hesitation, while the durable construction withstands extreme temperatures and contaminants. Perfect for racers and enthusiasts seeking reliable performance without compromising on quality.
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Enhance your engine's low-speed performance with MIKUNI's high-quality Bleed Pilot Jets. These critical components ensure precise fuel-air mixture control, delivering smoother throttle response and improved fuel efficiency for your powersports equipment.
Key Features
- Precision Engineering: Meticulously crafted for accurate fuel delivery and optimal engine performance.
- Compatibility: Designed to fit original equipment specifications for seamless integration.
- Durable Material: Made from corrosion-resistant brass for long-lasting reliability in harsh environments.
Why Choose This Product
MIKUNI Bleed Pilot Jets offer superior fuel mixture control, ensuring consistent power delivery across all RPM ranges. Their precision design reduces fuel waste and minimizes engine hesitation, while the durable construction withstands extreme temperatures and contaminants. Perfect for racers and enthusiasts seeking reliable performance without compromising on quality.
| SKU | GM027E0061 |
|---|---|
| MPN | FN151067-40 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Yamaha | YZ450F | 2008-2014 |
| Kawasaki | KX450F | 2009-2015 |
| Honda | CRF450R | 2007-2013 |
| Suzuki | RMZ450 | 2010-2016 |
Frequently Asked Questions
Bleed pilot jets have air bleed holes for better atomization and more precise low-speed fueling compared to standard pilot jets.
Fits Mikuni VM series and some Keihin conversions; check your carb model against fitment list.
Size based on plug chop test; 40 is common for stock to mildly modded 450cc MX bikes at sea level.
No, this is specifically a pilot circuit jet; pair with appropriate main jets for full tune.
Installation Guide
Difficulty
Easy
Est. Time
10 min
Tools Required
- Small flathead screwdriver
- Jet removal tool or needle nose pliers
Pro Tips
- Use carb cleaner to flush jet passages first
- Label jets by size to avoid mix-ups
Common Mistakes to Avoid
- Dropping the tiny jet into carb body
- Not cleaning emulsion tube before install
Comparison vs Stock/OEM
Aftermarket precision jet vs OEM fixed-size; bleed design offers better low-end response
Improvements
- Finer fuel metering
- Easier altitude/temp adjustments
- Improved throttle response
Considerations
- Requires jetting knowledge
- Not plug-and-play
Durability & Warranty
Expected Lifespan
Indefinite with proper cleaning
Warranty
Limited manufacturer defect warranty
Maintenance
Clean with carb cleaner during rebuilds; inspect for corrosion
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