Your cart is empty
Start ShoppingMIKUNI FVM28/511-2.0 Needle Valve Round Pump - Precision Fuel Delivery for Carbureted Engines
Fits your
May not fit your
Description
Upgrade your engine's fuel delivery system with MIKUNI's precision-engineered FVM28/511-2.0 Needle Valve Round Pump. This critical component ensures optimal fuel metering for responsive power delivery and consistent performance across a range of riding conditions.
Key Features
- Precision Needle Valve Design: Ensures accurate fuel flow control for smooth throttle response and efficient combustion.
- Round Pump Configuration: Optimized for compatibility with MIKUNI carburetor systems, delivering reliable fuel delivery under varying engine loads.
- Durable Construction: Made from high-quality materials to withstand harsh environments and prolonged use without degradation.
Why Choose This Product
Whether you're tuning a classic motorcycle or optimizing a modern off-road rig, this needle valve pump delivers unmatched reliability. Its precise fuel metering capabilities help maintain engine efficiency, while the robust design ensures long-term performance. Perfect for riders who demand consistent power output and trouble-free operation in demanding conditions.
Delivery
Checking availability...
Estimated arrival
Order within to ship today
Orders ship
Shipping to
Enter your ZIP code for delivery estimate
Price Match Guarantee
Found it cheaper?
Log in to submit a price match request.
Price
Quantity
Purchasing is temporarily paused. You can still add items to your cart and check back soon.
Pay in 4 with
or
$0.00 x 4 interest-free
or
$0.00 x 4 interest-free
Free Shipping $100+
14-Day Returns
Secure Checkout
Price Match
Complete the Build
This item
$32.99
In Cart
Upgrade your engine's fuel delivery system with MIKUNI's precision-engineered FVM28/511-2.0 Needle Valve Round Pump. This critical component ensures optimal fuel metering for responsive power delivery and consistent performance across a range of riding conditions.
Key Features
- Precision Needle Valve Design: Ensures accurate fuel flow control for smooth throttle response and efficient combustion.
- Round Pump Configuration: Optimized for compatibility with MIKUNI carburetor systems, delivering reliable fuel delivery under varying engine loads.
- Durable Construction: Made from high-quality materials to withstand harsh environments and prolonged use without degradation.
Why Choose This Product
Whether you're tuning a classic motorcycle or optimizing a modern off-road rig, this needle valve pump delivers unmatched reliability. Its precise fuel metering capabilities help maintain engine efficiency, while the robust design ensures long-term performance. Perfect for riders who demand consistent power output and trouble-free operation in demanding conditions.| SKU | GM2D9A252C |
|---|---|
| MPN | FVM28/511-2.0 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
0.0
0 reviews
0
Log in to write a review.
Reviews
No reviews yet. Be the first to review this product!
Featured Review
| Make | Model | Years |
|---|---|---|
| Suzuki | RM250, RMZ250, RM125, RMZ450 | 1980-2005 |
| Kawasaki | KX250, KX125 | 1990-2010 |
| Yamaha | YZ250, YZ125 | 1985-2000 |
| Honda | CR250R, CRF250R | 1995-2015 |
Frequently Asked Questions
Designed for Mikuni VM28 series carburetors, common on 125-450cc 2-stroke and 4-stroke motocross bikes from Suzuki, Kawasaki, Yamaha, Honda.
2.0 is a standard OEM-spec flow rate for most VM28 applications; upgrade to 2.5 for high-performance setups.
Yes, includes brass needle valve and Viton seat; pump diaphragm is round style.
Yes, if caused by worn needle/seat; inspect float height and diaphragm as well.
Installation Guide
Difficulty
Easy
Est. Time
15 min
Tools Required
- Small flathead screwdriver
- Phillips screwdriver
- Needle nose pliers
Pro Tips
- Clean carburetor bowl thoroughly before install
- Lubricate diaphragm with a tiny bit of fuel for easier seating
- Test for leaks after install by pressurizing float bowl
Common Mistakes to Avoid
- Not seating the pump diaphragm properly causing fuel leaks
- Over-tightening the valve seat
Comparison vs Stock/OEM
Direct OEM replacement for Mikuni-equipped bikes; identical to factory spec
Improvements
- New Viton materials resist ethanol fuel better than aged OEM
- Prevents flooding/leaking from wear
Considerations
- None - exact factory match
Durability & Warranty
Expected Lifespan
5+ years with proper maintenance; 100+ hours racing
Warranty
Limited lifetime from Mikuni against defects
Maintenance
Inspect annually; replace if leaks or sticking occur
What Others Are Saying
Reviews from across the web
