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Start ShoppingMIKUNI FBS30/96-40 Bleed Pilot Jets - Brass Jets for High-Performance Engines
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Description
Upgrade your Mikuni carburetor's fuel delivery system with these precision-machined bleed pilot jets. Designed for riders seeking optimal engine performance, these brass jets ensure precise fuel-air mixture control for enhanced power and efficiency.
Key Features
- Jet Size 30: Perfectly calibrated for precise fuel metering in high-performance engines.
- Bleed Size #96: Ensures efficient air-fuel balance for smooth throttle response and power delivery.
- Brass Construction: Durable, corrosion-resistant material for long-lasting performance in demanding conditions.
- Standard Threading: M5 x 0.75 threading ensures universal compatibility with Mikuni carburetor systems.
- Lightweight Design: Only 1 gram per jet for minimal impact on engine responsiveness and fuel efficiency.
Why Choose This Product
These bleed pilot jets are engineered for riders who demand precision and reliability. The brass material resists clogging and maintains consistent flow, while the standard threading simplifies installation. Whether you're tuning a racing engine or optimizing a street bike, these jets provide the accuracy needed for peak performance. Their lightweight construction reduces fuel waste, and the precise sizing ensures optimal combustion for power gains without sacrificing engine longevity.
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Upgrade your Mikuni carburetor's fuel delivery system with these precision-machined bleed pilot jets. Designed for riders seeking optimal engine performance, these brass jets ensure precise fuel-air mixture control for enhanced power and efficiency.
Key Features
- Jet Size 30: Perfectly calibrated for precise fuel metering in high-performance engines.
- Bleed Size #96: Ensures efficient air-fuel balance for smooth throttle response and power delivery.
- Brass Construction: Durable, corrosion-resistant material for long-lasting performance in demanding conditions.
- Standard Threading: M5 x 0.75 threading ensures universal compatibility with Mikuni carburetor systems.
- Lightweight Design: Only 1 gram per jet for minimal impact on engine responsiveness and fuel efficiency.
Why Choose This Product
These bleed pilot jets are engineered for riders who demand precision and reliability. The brass material resists clogging and maintains consistent flow, while the standard threading simplifies installation. Whether you're tuning a racing engine or optimizing a street bike, these jets provide the accuracy needed for peak performance. Their lightweight construction reduces fuel waste, and the precise sizing ensures optimal combustion for power gains without sacrificing engine longevity.| SKU | GM83E9354D |
|---|---|
| MPN | FBS30/96-40 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various Japanese | Models with Mikuni VM or TM carburetors | 1980-2025 |
| Honda | XR series, CRF250R | 1990-2010 |
Frequently Asked Questions
FBS30 indicates #30 main pilot orifice, /96-40 is the bleed hole size for air/fuel mixture control.
Designed for Mikuni round-slide carbs like VM26/VM30 series. Check your carb model markings.
Often yes, for complete tuning. Match to your elevation, temp, and mods.
Used in both, but most common in 2-stroke MX bikes for low-speed circuit tuning.
Installation Guide
Difficulty
Easy
Est. Time
10 min
Tools Required
- Small flathead screwdriver
- Jetting gauge or calipers (optional)
Pro Tips
- Remove carburetor, unscrew old pilot with screwdriver. Clean o-ring groove. Test jetting after install with plug chop method.
Common Mistakes to Avoid
- Not cleaning carb passages before install
- Incorrect jet size selection for conditions
Comparison vs Stock/OEM
Aftermarket precision-tuned for better low-speed response vs. generic OEM pilots
Improvements
- Finer air/fuel mixture control
- Easier tuning for mods/exhaust/altitude
Considerations
- Requires jetting knowledge; not plug-and-play
Durability & Warranty
Expected Lifespan
Indefinite with proper jetting (brass doesn't wear)
Warranty
Limited lifetime from Mikuni against defects
Maintenance
Inspect during annual carb service; replace if clogged
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