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Start ShoppingMIKUNI FVM38/06 Carburetor Starter Plunger - Brass Enricher Valve for Fuel Systems
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Description
Upgrade your fuel system's reliability with the MIKUNI FVM38/06 Starter Plunger. This precision-engineered enricher valve ensures consistent fuel delivery during cold starts, delivering smoother engine performance and enhanced power output for riders of all skill levels.
Key Features
- Brass Body with Viton Seals: Corrosion-resistant construction ensures long-lasting durability in harsh riding conditions.
- Compact Design: 2.5" length x 0.75" diameter fits seamlessly into existing carburetor systems without modification.
- Lightweight Construction: Just 0.1 lbs reduces overall system weight while maintaining structural integrity.
- Carburetor Starter Plunger: Specialized enricher valve optimizes fuel-air mixture for cold starts and low-speed operation.
Why Choose This Product
Engineers for performance: The MIKUNI FVM38/06's precision-machined brass body and high-performance Viton seals deliver unmatched reliability. Its compact size ensures easy installation, while the specialized plunger design prevents fuel starvation during critical engine operations. Riders benefit from improved throttle response, reduced emissions, and extended engine life with this essential fuel system component.
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Upgrade your fuel system's reliability with the MIKUNI FVM38/06 Starter Plunger. This precision-engineered enricher valve ensures consistent fuel delivery during cold starts, delivering smoother engine performance and enhanced power output for riders of all skill levels.
Key Features
- Brass Body with Viton Seals: Corrosion-resistant construction ensures long-lasting durability in harsh riding conditions.
- Compact Design: 2.5" length x 0.75" diameter fits seamlessly into existing carburetor systems without modification.
- Lightweight Construction: Just 0.1 lbs reduces overall system weight while maintaining structural integrity.
- Carburetor Starter Plunger: Specialized enricher valve optimizes fuel-air mixture for cold starts and low-speed operation.
Why Choose This Product
Engineers for performance: The MIKUNI FVM38/06's precision-machined brass body and high-performance Viton seals deliver unmatched reliability. Its compact size ensures easy installation, while the specialized plunger design prevents fuel starvation during critical engine operations. Riders benefit from improved throttle response, reduced emissions, and extended engine life with this essential fuel system component.
| SKU | GM51AC0B60 |
|---|---|
| MPN | FVM38/06 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Suzuki | RM125 | 1980-1985 |
| Suzuki | RM250 | 1981-1986 |
| Suzuki | RM370 | 1982-1987 |
| Kawasaki | KX125 | 1979-1984 |
| Kawasaki | KX250 | 1980-1985 |
Frequently Asked Questions
Fits Mikuni FVM38 series carburetors used on 1980s Suzuki RM and Kawasaki KX two-stroke motocross bikes.
Yes, this is an OEM Mikuni replacement part, not aftermarket.
No, this is just the starter plunger. Often replaced during carb cleaning or when cold start issues arise.
Yes, worn starter plungers commonly cause poor cold starting. Inspect the related plunger shaft and spring as well.
Installation Guide
Difficulty
Easy
Est. Time
15 min
Tools Required
- Phillips screwdriver
- small flathead screwdriver
- needle nose pliers
Pro Tips
- Apply a small amount of carb cleaner or light oil to the O-ring for smooth installation
- Test plunger operation before full reassembly
Common Mistakes to Avoid
- Forcing the plunger without lubricating O-ring
- Not cleaning carburetor bore before install
Comparison vs Stock/OEM
This is the genuine OEM Mikuni part, identical to factory original
Improvements
- Restores factory cold start performance
- Prevents lean starting issues from worn plunger
Considerations
- No performance upgrades, purely replacement part
Durability & Warranty
Expected Lifespan
5-10 years with proper maintenance
Warranty
1 year manufacturer defect warranty
Maintenance
Inspect during annual carb cleaning, lubricate O-ring periodically
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