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Start ShoppingMikuni FMK-BN44I-YAM Carburetor Rebuild Kit for Yamaha Motorcycles & ATVs – High-Quality Fuel System Repair Solution
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Description
Keep your Yamaha motorcycle or ATV running smoothly with this Mikuni FMK-BN44I-YAM rebuild kit. Designed for precision fuel system maintenance, this kit ensures reliable performance and long-lasting engine efficiency for carbureted engines.
Key Features
- Comprehensive Rebuild Kit: Includes all essential components for complete carburetor and fuel pump restoration.
- Precision-Machined Components: High-tolerance parts for accurate fuel metering and leak-free operation.
- Yamaha-Specific Compatibility: Engineered for Mikuni BN44I carburetors in Yamaha models for perfect fit and function.
- Easy Installation: Simplified rebuild process with clearly labeled parts for quick service.
- Durable Materials: Heat-resistant and corrosion-resistant components for extended service life.
Why Choose This Product
Upgrade your fuel system maintenance with a rebuild kit that combines precision engineering with rider-friendly design. This Mikuni kit ensures consistent fuel delivery, reduces engine wear, and maintains peak performance for Yamaha motorcycles and ATVs. Its durable construction and exact fit for BN44I carburetors make it an essential tool for mechanics and DIY enthusiasts seeking reliable, cost-effective repairs.
SKU:
GM8BE1A48B
MPN:
FMK-BN44I-YAM R
Category:
Intake/Carb/Fuel System
Brand:
MIKUNI
Stock:
In Stock
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Keep your Yamaha motorcycle or ATV running smoothly with this Mikuni FMK-BN44I-YAM rebuild kit. Designed for precision fuel system maintenance, this kit ensures reliable performance and long-lasting engine efficiency for carbureted engines.
Key Features
- Comprehensive Rebuild Kit: Includes all essential components for complete carburetor and fuel pump restoration.
- Precision-Machined Components: High-tolerance parts for accurate fuel metering and leak-free operation.
- Yamaha-Specific Compatibility: Engineered for Mikuni BN44I carburetors in Yamaha models for perfect fit and function.
- Easy Installation: Simplified rebuild process with clearly labeled parts for quick service.
- Durable Materials: Heat-resistant and corrosion-resistant components for extended service life.
Why Choose This Product
Upgrade your fuel system maintenance with a rebuild kit that combines precision engineering with rider-friendly design. This Mikuni kit ensures consistent fuel delivery, reduces engine wear, and maintains peak performance for Yamaha motorcycles and ATVs. Its durable construction and exact fit for BN44I carburetors make it an essential tool for mechanics and DIY enthusiasts seeking reliable, cost-effective repairs.| SKU | GM8BE1A48B |
|---|---|
| MPN | FMK-BN44I-YAM R |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Yamaha | YZ450F | 2004-2009 |
| Yamaha | YZF450 | 2004-2009 |
| Yamaha | WR450F | 2006-2009 |
| Yamaha | YZF400 | 2003-2007 |
Frequently Asked Questions
Typically includes gaskets, seals, O-rings, jets, needle and seat assemblies, and other internal components needed to restore a carburetor to like-new condition.
Basic hand tools are usually sufficient, though an ultrasonic cleaner is highly recommended for thorough cleaning. A carburetor service manual for your specific model is essential.
Signs include rough idle, difficulty starting, poor fuel economy, hesitation during acceleration, or fuel leaks. These often indicate worn seals or clogged jets.
No - always replace gaskets and seals with new ones from the rebuild kit. Old gaskets lose their sealing properties and will cause leaks.
Check Yamaha's official documentation, Mikuni's website, or contact a Yamaha dealer. Many service manuals are available online through powersports forums and documentation sites.
Installation Guide
Difficulty
Medium
Est. Time
45 min
Tools Required
- Small screwdrivers (Phillips and flathead)
- Socket set
- Carburetor cleaning tools or ultrasonic cleaner
- Gasket scraper
- Torque wrench (for reassembly)
Pro Tips
- Take detailed photos during disassembly for reference
- Use an ultrasonic cleaner for best results
- Replace all gaskets and seals - do not reuse old ones
- Consult the carburetor service manual for your specific model
- Soak jets and passages in carburetor cleaner overnight
Common Mistakes to Avoid
- Not cleaning all passages thoroughly before reassembly
- Over-tightening small fasteners
- Losing or misplacing small springs and clips
- Incorrect gasket placement
- Not replacing all seals and O-rings
Comparison vs Stock/OEM
This is an OEM rebuild kit designed to restore original carburetor function to like-new condition
Improvements
- Restores proper fuel atomization
- Eliminates fuel leaks from worn seals
- Improves cold start performance
- Restores proper idle quality
- Extends carburetor lifespan
Considerations
- Requires mechanical skill and patience
- Time-intensive process
- Requires access to service documentation
Durability & Warranty
Expected Lifespan
Rebuild kits restore carburetors for 5-10+ years depending on fuel quality and maintenance
Warranty
Typically covered under manufacturer warranty (verify with supplier)
Maintenance
Use quality fuel with stabilizer, drain carburetor before long storage, inspect seals annually
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