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Start ShoppingMIKUNI FVM28/134 Main Jet Plug Washer - Brass Carburetor Fuel System Component
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Description
Upgrade your carburetor's fuel delivery system with this essential MIKUNI FVM28/134 Main Jet Plug Washer. Crafted from durable brass, this component ensures precise fuel flow control and long-lasting performance for motorcycle engines.
Key Features
- Brass Construction: Resists corrosion and maintains dimensional stability under high temperatures and fuel exposure.
- Exact Dimensions: 6.5mm outer diameter and 0.5mm thickness for perfect fitment in original equipment carburetor systems.
- Ultra-Lightweight: Less than 1g ensures minimal impact on engine performance while maintaining structural integrity.
Why Choose This Product
This critical component is designed for riders who demand precision and reliability. Its corrosion-resistant brass material ensures long service life, while precise engineering guarantees seamless integration with MIKUNI carburetor systems. Whether you're tuning for power or fuel efficiency, this washer maintains optimal fuel flow without compromising system integrity. The lightweight design also reduces unnecessary engine load, contributing to smoother operation and better throttle response.
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Upgrade your carburetor's fuel delivery system with this essential MIKUNI FVM28/134 Main Jet Plug Washer. Crafted from durable brass, this component ensures precise fuel flow control and long-lasting performance for motorcycle engines.
Key Features
- Brass Construction: Resists corrosion and maintains dimensional stability under high temperatures and fuel exposure.
- Exact Dimensions: 6.5mm outer diameter and 0.5mm thickness for perfect fitment in original equipment carburetor systems.
- Ultra-Lightweight: Less than 1g ensures minimal impact on engine performance while maintaining structural integrity.
Why Choose This Product
This critical component is designed for riders who demand precision and reliability. Its corrosion-resistant brass material ensures long service life, while precise engineering guarantees seamless integration with MIKUNI carburetor systems. Whether you're tuning for power or fuel efficiency, this washer maintains optimal fuel flow without compromising system integrity. The lightweight design also reduces unnecessary engine load, contributing to smoother operation and better throttle response.
| SKU | GM7EE7E027 |
|---|---|
| MPN | FVM28/134 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various Japanese | Models using Mikuni VM series carbs (e.g., Honda XR series, Yamaha DT, Suzuki RM) | 1980-2024 |
Frequently Asked Questions
Fits Mikuni VM series carbs using FVM28/134 float valve assembly, common on 2-stroke and 4-stroke dirt bikes from 1980s onward.
Yes, genuine Mikuni part, direct replacement for stock washer.
Yes, it's the sealing washer under the main jet plug; often crushed and needs replacement.
Single washer per package.
Installation Guide
Difficulty
Easy
Est. Time
5 min
Tools Required
- Small flathead screwdriver
- Needle nose pliers
Pro Tips
- Use carb cleaner to clean before reassembly; install under main jet plug to seal properly
Common Mistakes to Avoid
- Losing the tiny washer during disassembly
- Not cleaning mating surfaces
Comparison vs Stock/OEM
Genuine Mikuni OEM part, identical to factory
Improvements
- Proper sealing prevents air leaks
- Prevents jet loosening
Considerations
- None; exact stock replacement
Durability & Warranty
Expected Lifespan
Indefinite with proper install; replace if crushed
Warranty
Mikuni lifetime warranty against defects
Maintenance
Inspect during carb cleaning/service
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