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Start ShoppingMIKUNI FM28/1001-37.5 Bleed Pilot Jets - Precision Carburetor Tuning for Powersports Engines
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Description
Upgrade your carburetor tuning precision with MIKUNI's FM28/1001-37.5 bleed pilot jet. This high-quality brass jet delivers exceptional airflow control for optimal engine performance in powersports applications.
Key Features
- Brass Construction: Durable, corrosion-resistant material ensures long-lasting performance in demanding environments.
- 28mm Clip Capacity: Precise fit for standard carburetor setups with adjustable airflow control.
- 37.5/100mm Bleed Hole: Fine-tuned airflow regulation for improved throttle response and fuel efficiency.
- Lightweight Design: Only 0.1 oz (3g) reduces engine strain while maintaining structural integrity.
Why Choose This Product
Engineers and riders rely on MIKUNI jets for their unmatched precision and compatibility with carburetor systems. This bleed pilot jet offers superior airflow management, enhancing engine responsiveness and fuel economy. The brass construction resists clogging and wear, ensuring consistent performance across various riding conditions. Perfect for tuning high-performance engines in motorcycles, ATVs, and other powersports vehicles.
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Upgrade your carburetor tuning precision with MIKUNI's FM28/1001-37.5 bleed pilot jet. This high-quality brass jet delivers exceptional airflow control for optimal engine performance in powersports applications.
Key Features
- Brass Construction: Durable, corrosion-resistant material ensures long-lasting performance in demanding environments.
- 28mm Clip Capacity: Precise fit for standard carburetor setups with adjustable airflow control.
- 37.5/100mm Bleed Hole: Fine-tuned airflow regulation for improved throttle response and fuel efficiency.
- Lightweight Design: Only 0.1 oz (3g) reduces engine strain while maintaining structural integrity.
Why Choose This Product
Engineers and riders rely on MIKUNI jets for their unmatched precision and compatibility with carburetor systems. This bleed pilot jet offers superior airflow management, enhancing engine responsiveness and fuel economy. The brass construction resists clogging and wear, ensuring consistent performance across various riding conditions. Perfect for tuning high-performance engines in motorcycles, ATVs, and other powersports vehicles.
| SKU | GMC7CCC822 |
|---|---|
| MPN | FM28/1001-37.5 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various Japanese | Keihin/Mikuni carbureted motorcycles, ATVs | 1985-2024 |
| Honda | XR400R, CRF450R | 1990-2020 |
Frequently Asked Questions
Fits Mikuni VM series (VM26, VM28, VM30) and compatible Keihin carbs on 125cc-500cc bikes/ATVs.
Use 37.5 for mid-range tuning in 3000-6000ft elevation or lean conditions. Consult jetting chart for your setup.
Yes, bleed pilot jets have an air bleed hole for better atomization and easier tuning.
Carb modifications may affect warranty; check with manufacturer.
Installation Guide
Difficulty
Easy
Est. Time
15 min
Tools Required
- Small flathead screwdriver
- Jet removal tool or needle nose pliers
Pro Tips
- Mark original jet size before removal. Test ride and check plug color after install
Common Mistakes to Avoid
- Not cleaning carb passages before install
- Incorrect jet size selection for altitude/temp
Comparison vs Stock/OEM
Aftermarket precision-machined brass vs OEM stamped jets
Improvements
- More consistent fuel flow
- Better mid-range response
- Easier tuning with bleed hole
Considerations
- Requires proper jetting knowledge
Durability & Warranty
Expected Lifespan
Entire carb life with proper maintenance
Warranty
Limited lifetime against manufacturing defects (Mikuni)
Maintenance
Inspect during annual carb cleaning; replace if passages clog
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