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Start ShoppingMIKUNI F786-15005-1.5 Needle Valve Round Pump for Carburetors - Precision Fuel Delivery
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Description
Upgrade your carburetor's fuel delivery system with MIKUNI's precision-engineered Round Pump Needle Valve. Designed for Mikuni TM series carburetors, this 1.5mm lift pump delivers consistent fuel flow for smooth engine performance and reliable power output.
Key Features
- Brass Body with Nitrile Rubber Diaphragm: Durable construction resists corrosion and ensures long-lasting performance in harsh environments.
- 1.5mm Lift Design: Optimized fuel flow for precise air-fuel mixture control in high-performance engines.
- Lightweight Construction: Only 0.5 oz (15 grams) reduces moving parts friction while maintaining structural integrity.
- Compatibility: Specifically engineered for Mikuni TM series carburetors to ensure seamless integration.
Why Choose This Product
Whether you're tuning a racing engine or maintaining a classic motorcycle, this needle valve pump offers unmatched accuracy and reliability. Its corrosion-resistant materials and precise engineering make it ideal for riders demanding consistent fuel delivery. The compact design fits easily into carburetor systems while delivering professional-grade performance. Perfect for mechanics and enthusiasts seeking to optimize engine efficiency and power output.
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Upgrade your carburetor's fuel delivery system with MIKUNI's precision-engineered Round Pump Needle Valve. Designed for Mikuni TM series carburetors, this 1.5mm lift pump delivers consistent fuel flow for smooth engine performance and reliable power output.
Key Features
- Brass Body with Nitrile Rubber Diaphragm: Durable construction resists corrosion and ensures long-lasting performance in harsh environments.
- 1.5mm Lift Design: Optimized fuel flow for precise air-fuel mixture control in high-performance engines.
- Lightweight Construction: Only 0.5 oz (15 grams) reduces moving parts friction while maintaining structural integrity.
- Compatibility: Specifically engineered for Mikuni TM series carburetors to ensure seamless integration.
Why Choose This Product
Whether you're tuning a racing engine or maintaining a classic motorcycle, this needle valve pump offers unmatched accuracy and reliability. Its corrosion-resistant materials and precise engineering make it ideal for riders demanding consistent fuel delivery. The compact design fits easily into carburetor systems while delivering professional-grade performance. Perfect for mechanics and enthusiasts seeking to optimize engine efficiency and power output.| SKU | GM48FD6307 |
|---|---|
| MPN | F786-15005-1.5 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Yamaha | YZ450F | 2008-2024 |
| Yamaha | YZF450 | 2008-2024 |
| KTM | 450 SX-F | 2006-2024 |
| Honda | CRF450R | 2009-2024 |
| Kawasaki | KX450F | 2010-2024 |
Frequently Asked Questions
Fits Mikuni TM36/TM38/TM40 flat-slide carbs commonly found on Yamaha YZ/KTM/Honda 4-stroke motocross bikes.
1.5mm lift provides more precise fuel control for stock jetting; 2.0mm for high-flow racing setups.
Yes, worn needle valves are the most common cause of carb flooding/overfilling.
Genuine OEM Mikuni part number F786-15005-1.5.
Installation Guide
Difficulty
Easy
Est. Time
15 min
Tools Required
- Small flathead screwdriver
- Needle nose pliers
- Carb cleaner
Pro Tips
- Use carb cleaner to clean mating surfaces
- Inspect float height after install
- Replace float if worn
Common Mistakes to Avoid
- Not cleaning carb bowl thoroughly before install
- Damaging diaphragm during removal
Comparison vs Stock/OEM
Direct OEM replacement for worn factory needle valves
Improvements
- Restores precise fuel metering
- Eliminates flooding/leaking
- Better sealing than aged stock valves
Considerations
- Always check float height adjustment after install
Durability & Warranty
Expected Lifespan
2-5 years typical racing use
Warranty
1 year Mikuni manufacturer warranty
Maintenance
Inspect annually or if flooding occurs
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