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Start ShoppingMIKUNI FMK-DF44 R Fuel Pump Repair Kit - High-Quality Intake/Carb/Fuel System Replacement
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Description
Keep your carbureted powersports engine running smoothly with this Mikuni FMK-DF44 R Fuel Pump Repair Kit. Designed for precision fit and long-lasting performance, this replacement kit restores fuel system reliability for motorcycles, ATVs, and more.
Key Features
- Rubber Diaphragm & Viton Seals: Combines flexibility with chemical resistance for durable, leak-proof operation
- Stainless Steel Springs: Enhances longevity and maintains consistent fuel pressure under demanding conditions
- DF44-Series Compatibility: Precision-engineered for Mikuni fuel pumps to ensure perfect fit and function
Why Choose This Product
This repair kit offers unmatched durability with aerospace-grade materials that withstand extreme temperatures and fuel exposure. The compact 3x3x1 inch design makes installation straightforward, while the lightweight 0.1 lb construction reduces strain on engine components. Riders benefit from improved fuel efficiency and reduced maintenance costs with this reliable solution for Mikuni fuel system repairs.
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Keep your carbureted powersports engine running smoothly with this Mikuni FMK-DF44 R Fuel Pump Repair Kit. Designed for precision fit and long-lasting performance, this replacement kit restores fuel system reliability for motorcycles, ATVs, and more.
Key Features
- Rubber Diaphragm & Viton Seals: Combines flexibility with chemical resistance for durable, leak-proof operation
- Stainless Steel Springs: Enhances longevity and maintains consistent fuel pressure under demanding conditions
- DF44-Series Compatibility: Precision-engineered for Mikuni fuel pumps to ensure perfect fit and function
Why Choose This Product
This repair kit offers unmatched durability with aerospace-grade materials that withstand extreme temperatures and fuel exposure. The compact 3x3x1 inch design makes installation straightforward, while the lightweight 0.1 lb construction reduces strain on engine components. Riders benefit from improved fuel efficiency and reduced maintenance costs with this reliable solution for Mikuni fuel system repairs.
| SKU | GM6CE88528 |
|---|---|
| MPN | FMK-DF44 R |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Kawasaki | KX450F | 2007-2014 |
| Kawasaki | KX250F | 2009-2015 |
| Suzuki | RMZ450 | 2008-2012 |
| Suzuki | RMZ250 | 2009-2013 |
| Honda | CRF450R | 2010-2016 |
| Honda | CRF250R | 2011-2015 |
Frequently Asked Questions
It replaces worn diaphragms and seals that commonly cause priming issues, but if the electric motor is bad, you'll need a new pump.
Usually yes, for most bikes. Access the pump from underneath and disconnect fuel lines carefully.
Yes, specifically for Mikuni DF44 series pumps found on Kawasaki, Honda, and Suzuki fuel-injected models listed in fitment.
Check the pump body for DF44 markings or match your model/year to the fitment list.
Basic instructions included, but detailed diagrams available on retailer sites or Mikuni service manuals.
Installation Guide
Difficulty
Medium
Est. Time
30 min
Tools Required
- Phillips screwdriver
- small flathead screwdriver
- needle nose pliers
- 12mm socket
- torque wrench
Pro Tips
- Clean all parts thoroughly before reassembly
- Inspect pump body for cracks while apart
- Apply a tiny bit of fuel lube to new diaphragm
- Torque cover screws to 2-3 Nm to avoid stripping
Common Mistakes to Avoid
- Not fully seating the diaphragm
- Over-tightening pump cover screws
- Contaminating new seals with old fuel residue
Comparison vs Stock/OEM
Direct OEM-equivalent repair kit from Mikuni (OEM supplier for these bikes)
Improvements
- Uses upgraded Viton seals for better fuel resistance
- Restores factory performance at fraction of new pump cost
Considerations
- Requires mechanical skill; not plug-and-play like new pump
Durability & Warranty
Expected Lifespan
Same as OEM pump: 100-200 hours riding depending on fuel quality and maintenance
Warranty
1 year limited manufacturer warranty against defects
Maintenance
Inspect pump annually; rebuild every 2-3 years or at first sign of fuel leak
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