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Start ShoppingMIKUNI FBN34/124 Check Valve Clear - High-Quality Intake System for Powersports
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Description
Ensure optimal fuel system performance with MIKUNI's FBN34/124 Check Valve Clear. This essential component prevents fuel backflow while maintaining consistent engine operation for powersports vehicles.
Key Features
- Brass Body with Rubber Diaphragm: Combines durability with flexibility for long-lasting performance in harsh environments.
- Compact Design: 1-inch diameter x 1.5-inch length fits seamlessly in tight engine compartments.
- Lightweight Construction: Weighs just 0.05 lbs (0.02 kg) for easy installation and minimal impact on vehicle performance.
Why Choose This Product
Mikuni's check valve clear is engineered for powersports enthusiasts who demand reliability. The corrosion-resistant brass body withstands extreme temperatures, while the rubber diaphragm ensures smooth fuel flow. Its compact size makes it ideal for classic motorcycles, ATVs, and off-road vehicles. This essential component protects your engine from fuel contamination and ensures consistent power delivery during high-performance riding.
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Ensure optimal fuel system performance with MIKUNI's FBN34/124 Check Valve Clear. This essential component prevents fuel backflow while maintaining consistent engine operation for powersports vehicles.
Key Features
- Brass Body with Rubber Diaphragm: Combines durability with flexibility for long-lasting performance in harsh environments.
- Compact Design: 1-inch diameter x 1.5-inch length fits seamlessly in tight engine compartments.
- Lightweight Construction: Weighs just 0.05 lbs (0.02 kg) for easy installation and minimal impact on vehicle performance.
Why Choose This Product
Mikuni's check valve clear is engineered for powersports enthusiasts who demand reliability. The corrosion-resistant brass body withstands extreme temperatures, while the rubber diaphragm ensures smooth fuel flow. Its compact size makes it ideal for classic motorcycles, ATVs, and off-road vehicles. This essential component protects your engine from fuel contamination and ensures consistent power delivery during high-performance riding.
| SKU | GM63A8CF70 |
|---|---|
| MPN | FBN34/124 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various Japanese | Carbureted motorcycles and ATVs (e.g., Honda XR series, Yamaha YZ, Kawasaki KX) | 1980-2024 |
Frequently Asked Questions
It prevents fuel from backflowing into the float bowl or tank when the engine is off, avoiding leaks and flooding.
Yes, Mikuni FBN34/124 is the genuine Mikuni part used in many OEM carburetors.
Fits most Mikuni carbs (VM26-VM34, BS30-36, HSR42). Measure your carb to confirm.
Symptoms include fuel leaking from carb, hard starting, or flooding.
Installation Guide
Difficulty
Easy
Est. Time
10 min
Tools Required
- Small flathead screwdriver
- Needle nose pliers
Pro Tips
- Clean carburetor passages before install
- Test for leaks after installation by pressurizing fuel line
Common Mistakes to Avoid
- Damaging the rubber diaphragm during removal
- Installing upside down
Comparison vs Stock/OEM
This is the OEM Mikuni part, identical to factory spec
Improvements
- Restores proper fuel flow control
- Prevents common carb flooding issues
Considerations
- None - genuine replacement
Durability & Warranty
Expected Lifespan
5+ years with proper maintenance
Warranty
Limited manufacturer warranty through retailer
Maintenance
Inspect diaphragm annually for cracks or hardening
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