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Start ShoppingMIKUNI FBN38/172 Low Speed Washer (Aluminum) - Carburetor Intake System Component
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Description
Upgrade your carburetor's performance with this precision-engineered MIKUNI low-speed washer. Designed for the FBN38/172 model, this aluminum component ensures reliable sealing and fuel efficiency in high-performance engines.
Key Features
- Aluminum Construction: Lightweight yet durable, resisting corrosion and wear in harsh engine environments.
- Perfect Fit: Precision-machined for seamless compatibility with MIKUNI FBN38/172 carburetor systems.
- Low-Speed Design: Prevents fuel leakage while maintaining optimal flow rates for responsive engine performance.
Why Choose This Product
This washer is essential for maintaining proper fuel-air mixture ratios and preventing costly engine damage from leaks. Its corrosion-resistant properties ensure long-term reliability, while the precise fit guarantees trouble-free installation. Ideal for riders seeking dependable performance without compromising on quality.
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Upgrade your carburetor's performance with this precision-engineered MIKUNI low-speed washer. Designed for the FBN38/172 model, this aluminum component ensures reliable sealing and fuel efficiency in high-performance engines.
Key Features
- Aluminum Construction: Lightweight yet durable, resisting corrosion and wear in harsh engine environments.
- Perfect Fit: Precision-machined for seamless compatibility with MIKUNI FBN38/172 carburetor systems.
- Low-Speed Design: Prevents fuel leakage while maintaining optimal flow rates for responsive engine performance.
Why Choose This Product
This washer is essential for maintaining proper fuel-air mixture ratios and preventing costly engine damage from leaks. Its corrosion-resistant properties ensure long-term reliability, while the precise fit guarantees trouble-free installation. Ideal for riders seeking dependable performance without compromising on quality.
| SKU | GM2374436C |
|---|---|
| MPN | FBN38/172 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various Japanese | Keihin/Mikuni carbureted motorcycles (e.g., Honda XR, Yamaha YZ, Kawasaki KX) | 1980-2020 |
| Suzuki | RM/DR-Z series | 1990-2010 |
Frequently Asked Questions
Designed for Mikuni 38mm TM38 and VM38 series carburetors, common on off-road dirt bikes.
It's aluminum, providing corrosion resistance and reduced weight.
No, this is a single low-speed washer (FBN38/172); often used in carb tuning kits.
No, Mikuni-specific; check your carb markings for FCR or PD series compatibility separately.
Installation Guide
Difficulty
Easy
Est. Time
5 min
Tools Required
- Small flathead screwdriver
- Carburetor rebuild kit tools
Pro Tips
- Clean carburetor passages thoroughly before reassembly. Use with genuine Mikuni jets for best performance.
Common Mistakes to Avoid
- Installing washer upside down, which affects jet alignment
Comparison vs Stock/OEM
OEM equivalent from Mikuni; aftermarket identical to factory spec
Improvements
- Aluminum vs. potential brass/plastic stock for better durability and weight savings
Considerations
- Precise OEM sizing ensures proper fuel metering
Durability & Warranty
Expected Lifespan
Indefinite with proper carb maintenance; resistant to fuel and corrosion
Warranty
Manufacturer defect warranty (typically 1 year)
Maintenance
Inspect during carb cleanings (every 20-50 hours of riding)
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