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Start ShoppingMikuni FVM28/486-15 Bleed Pilot Jet - Brass Carburetor Jet for VM Series Engines
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Description
Upgrade your Mikuni VM series carburetor with this high-quality bleed pilot jet designed for precise fuel metering and reliable engine performance. Ideal for riders seeking optimal power delivery and smooth throttle response.
Key Features
- Brass Construction: Durable, corrosion-resistant material ensures long-lasting performance in demanding riding conditions.
- Exact Dimensions: 15mm clip height and #48/#6 jet size ensure perfect fitment for Mikuni VM series carburetors.
- Lightweight Design: Just 0.1 oz (approx.) for easy handling and minimal impact on engine balance.
Why Choose This Product
This bleed pilot jet delivers consistent fuel flow for improved engine efficiency, especially in high-performance applications. Its precision-engineered design reduces vapor lock risks and ensures smooth acceleration. Riders will appreciate the reliability and responsiveness this jet brings to their powerplant, making it a must-have for tuning and maintenance.
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Upgrade your Mikuni VM series carburetor with this high-quality bleed pilot jet designed for precise fuel metering and reliable engine performance. Ideal for riders seeking optimal power delivery and smooth throttle response.
Key Features
- Brass Construction: Durable, corrosion-resistant material ensures long-lasting performance in demanding riding conditions.
- Exact Dimensions: 15mm clip height and #48/#6 jet size ensure perfect fitment for Mikuni VM series carburetors.
- Lightweight Design: Just 0.1 oz (approx.) for easy handling and minimal impact on engine balance.
Why Choose This Product
This bleed pilot jet delivers consistent fuel flow for improved engine efficiency, especially in high-performance applications. Its precision-engineered design reduces vapor lock risks and ensures smooth acceleration. Riders will appreciate the reliability and responsiveness this jet brings to their powerplant, making it a must-have for tuning and maintenance.
| SKU | GMC42088F6 |
|---|---|
| MPN | FVM28/486-15 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various Japanese | VM28 carbureted motorcycles/ATVs (e.g., Yamaha YZ, Suzuki RM, Honda XR) | 1980-2024 |
| Kawasaki | KX250/KX125 | 1990-2010 |
Frequently Asked Questions
Designed for Mikuni FVM28 flat-slide carburetors, common on performance 2-stroke and 4-stroke dirt bikes.
Check your current jet markings or use a jetting chart based on engine mods, altitude, and temperature.
This is a bleed-type pilot jet, controlling low-speed air/fuel mix via bleed hole.
Yes, precise sizing allows better tuning for power and throttle response over stock jets.
Installation Guide
Difficulty
Easy
Est. Time
15 min
Tools Required
- Small flathead screwdriver
- Jet removal tool (optional)
- Carb cleaner
Pro Tips
- Mark original jet size before removal. Test plug chop after install to verify mixture
Common Mistakes to Avoid
- Not cleaning carb passages before install
- Incorrect jet sizing for altitude/temp
Comparison vs Stock/OEM
Aftermarket Mikuni precision-machined vs. often softer OEM factory jets
Improvements
- Better flow consistency
- Easier tuning increments
- Corrosion-resistant brass
Considerations
- Requires proper jetting knowledge; not plug-and-play
Durability & Warranty
Expected Lifespan
Indefinite with proper maintenance (carb cleaning)
Warranty
Limited lifetime (Mikuni standard)
Maintenance
Clean with carb cleaner during annual service; inspect for wear
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