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Start ShoppingMIKUNI FVM28/163-1.5 Needle Valve Round Pump - High-Performance Carburetor Component
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Description
Upgrade your carburetor's fuel delivery system with this MIKUNI FVM28/163-1.5 Needle Valve Round Pump. Designed for Mikuni VM series carburetors, this high-quality component delivers precise fuel flow control for optimal engine performance and reliability.
Key Features
- 1.5mm Needle Diameter: Precise fuel metering for accurate air-fuel mixture control.
- Brass Needle & Seat: Durable construction resists corrosion and wear for long-lasting performance.
- Viton Tip Compatibility: High-temperature resistant material ensures sealing integrity under extreme conditions.
- Round Pump Design: Standard Mikuni configuration for easy installation and maintenance.
- VM Series Compatibility: Direct replacement for Mikuni VM carburetor systems.
Why Choose This Product
This needle valve round pump is engineered for riders who demand precision and reliability. The combination of brass construction and Viton tip creates a durable, leak-proof system that maintains consistent fuel flow. Its compatibility with Mikuni VM series carbs makes it an essential upgrade for motorcycle, ATV, and off-road vehicle enthusiasts. The standard size ensures seamless integration with existing carburetor setups, while the 1.5mm diameter provides precise fuel metering for enhanced engine performance. Whether you're tuning for power or efficiency, this component delivers the accuracy needed for professional-level results.
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Upgrade your carburetor's fuel delivery system with this MIKUNI FVM28/163-1.5 Needle Valve Round Pump. Designed for Mikuni VM series carburetors, this high-quality component delivers precise fuel flow control for optimal engine performance and reliability.
Key Features
- 1.5mm Needle Diameter: Precise fuel metering for accurate air-fuel mixture control.
- Brass Needle & Seat: Durable construction resists corrosion and wear for long-lasting performance.
- Viton Tip Compatibility: High-temperature resistant material ensures sealing integrity under extreme conditions.
- Round Pump Design: Standard Mikuni configuration for easy installation and maintenance.
- VM Series Compatibility: Direct replacement for Mikuni VM carburetor systems.
Why Choose This Product
This needle valve round pump is engineered for riders who demand precision and reliability. The combination of brass construction and Viton tip creates a durable, leak-proof system that maintains consistent fuel flow. Its compatibility with Mikuni VM series carbs makes it an essential upgrade for motorcycle, ATV, and off-road vehicle enthusiasts. The standard size ensures seamless integration with existing carburetor setups, while the 1.5mm diameter provides precise fuel metering for enhanced engine performance. Whether you're tuning for power or efficiency, this component delivers the accuracy needed for professional-level results.
| SKU | GM7AD3C0DC |
|---|---|
| MPN | FVM28/163-1.5 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Honda | XR series (XR200R, XR250R, XR400R, XR650R) | 1980-2005 |
| Suzuki | DR series (DR350, DR400), PE series (PE175, PE250, PE400) | 1978-1999 |
| Kawasaki | KDX series (KDX200, KDX220, KDX400) | 1980-2000 |
| Yamaha | XT series (XT250, XT350, XT500), TT series | 1975-1995 |
Frequently Asked Questions
Yes, the FVM28/163-1.5 is specifically designed for Mikuni VM28 carburetors with round pump overflow.
Round pump valves have a circular overflow tube; square has rectangular. Match your carb's existing style.
No, this is needle valve and seat only. Float sold separately if needed.
This is for VM series flat-slide carbs, not BS round-slide carbs.
Installation Guide
Difficulty
Easy
Est. Time
15 min
Tools Required
- Small flathead screwdriver
- Needle nose pliers
- Carb cleaner
- Torque wrench (optional)
Pro Tips
- Invert carb during removal to catch fuel
- Use carb cleaner to clean seat before install
- Check float height after install (typically 22-24mm for VM carbs)
Common Mistakes to Avoid
- Not draining carb bowl first
- Damaging Viton tip during install
- Incorrect float height adjustment
Comparison vs Stock/OEM
Direct replacement for OEM Mikuni needle valves
Improvements
- More durable Viton tip resists fuel additives
- Better sealing prevents float bowl overflow
- Precision machined for consistent fuel delivery
Considerations
- Genuine Mikuni - no aftermarket quality concerns
Durability & Warranty
Expected Lifespan
5+ years with proper maintenance
Warranty
Limited lifetime manufacturer defect warranty
Maintenance
Inspect annually, clean seat if varnish buildup occurs
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