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Start ShoppingMIKUNI FVM24/557-1.5 Needle Valve Round Pump - High-Performance Fuel System Component
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Description
Upgrade your fuel system with MIKUNI's high-precision FVM24/557-1.5 Needle Valve Round Pump, designed to deliver consistent fuel flow and enhance engine performance. This critical component ensures smooth operation and reliable power output for motorcycles and off-road vehicles.
Key Features
- Precision Engineering: Advanced manufacturing ensures accurate fuel metering for optimal engine efficiency.
- Durable Construction: High-quality materials withstand harsh conditions for long-lasting performance.
- Compatibility: Specifically engineered for MIKUNI carburetor systems to ensure seamless integration.
- Easy Installation: Streamlined design simplifies replacement without compromising system integrity.
- Reliable Performance: Maintains consistent fuel delivery across varying operating conditions.
Why Choose This Product
Upgrade to MIKUNI's trusted fuel system component for enhanced engine responsiveness and fuel efficiency. This needle valve round pump is engineered to reduce maintenance intervals and improve overall vehicle performance, making it an essential upgrade for serious riders and mechanics.
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Upgrade your fuel system with MIKUNI's high-precision FVM24/557-1.5 Needle Valve Round Pump, designed to deliver consistent fuel flow and enhance engine performance. This critical component ensures smooth operation and reliable power output for motorcycles and off-road vehicles.
Key Features
- Precision Engineering: Advanced manufacturing ensures accurate fuel metering for optimal engine efficiency.
- Durable Construction: High-quality materials withstand harsh conditions for long-lasting performance.
- Compatibility: Specifically engineered for MIKUNI carburetor systems to ensure seamless integration.
- Easy Installation: Streamlined design simplifies replacement without compromising system integrity.
- Reliable Performance: Maintains consistent fuel delivery across varying operating conditions.
Why Choose This Product
Upgrade to MIKUNI's trusted fuel system component for enhanced engine responsiveness and fuel efficiency. This needle valve round pump is engineered to reduce maintenance intervals and improve overall vehicle performance, making it an essential upgrade for serious riders and mechanics.
| SKU | GM50B5DA69 |
|---|---|
| MPN | FVM24/557-1.5 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various (Suzuki, Yamaha, Kawasaki, Honda) | TM24 carburetor equipped models (e.g., Suzuki RM250, Yamaha YZ250, Kawasaki KX250) | 1980-2024 |
Frequently Asked Questions
Fits Mikuni TM24 series carburetors on 2-stroke dirt bikes like Suzuki RM80/85/125/250, Yamaha YZ80/125/250, Kawasaki KX80/125/250 from 1980s-2000s.
Yes, this is an OEM Mikuni needle valve assembly with genuine Viton materials.
The '1.5' refers to the pump diaphragm size/flow rate. 1.5 is standard for most TM24 applications; larger for high-flow setups.
Yes, if caused by worn needle/seat. Often paired with float replacement for complete fix.
Installation Guide
Difficulty
Easy
Est. Time
15 min
Tools Required
- Small flathead screwdriver
- needle nose pliers
- carb cleaner
Pro Tips
- Use carb cleaner to soften old diaphragm for easier removal. Inspect float height after install and adjust to spec (usually 22-24mm for TM24).
Common Mistakes to Avoid
- Damaging the Viton tip during removal
- Not cleaning carb bowl before install
Comparison vs Stock/OEM
Direct OEM replacement for Mikuni carbs; identical to factory part
Improvements
- New Viton materials resist fuel degradation better than aged stock
- Prevents leaks and flooding common in worn OEM valves
Considerations
- None - exact match to stock specs
Durability & Warranty
Expected Lifespan
5+ years with proper jetting and fuel quality; 50+ hours of riding
Warranty
Mikuni lifetime warranty against defects
Maintenance
Inspect annually or if flooding/lean symptoms appear; use ethanol-free fuel
What Others Are Saying
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