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Start ShoppingMIKUNI FVM38/52-2.0 Throttle Slide - Precision Aluminum Carburetor Intake Component
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Description
Upgrade your carburetor's fuel delivery system with MIKUNI's precision-engineered throttle slide. This critical component ensures smooth throttle response, consistent power delivery, and optimal engine performance for riders demanding reliability and control.
Key Features
- Aluminum Alloy Construction: Durable, corrosion-resistant material withstands harsh riding conditions while maintaining precise fuel metering.
- 38mm Bore Compatibility: Engineered for seamless integration with 38mm bore carburetors, ensuring proper airflow and fuel mixture.
- Lightweight Design: Only 0.2 lbs (90g) reduces moving mass for faster throttle reaction and improved engine responsiveness.
- 2.0mm Slide Cutaway: Optimized geometry for precise fuel control and enhanced throttle sensitivity across RPM ranges.
Why Choose This Product
MIKUNI's throttle slide combines racing-grade precision with reliable performance, delivering consistent fuel delivery for power, efficiency, and rider control. Its lightweight construction reduces inertia for quicker throttle response, while the precision-machined aluminum ensures long-lasting durability in high-performance applications.
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Upgrade your carburetor's fuel delivery system with MIKUNI's precision-engineered throttle slide. This critical component ensures smooth throttle response, consistent power delivery, and optimal engine performance for riders demanding reliability and control.
Key Features
- Aluminum Alloy Construction: Durable, corrosion-resistant material withstands harsh riding conditions while maintaining precise fuel metering.
- 38mm Bore Compatibility: Engineered for seamless integration with 38mm bore carburetors, ensuring proper airflow and fuel mixture.
- Lightweight Design: Only 0.2 lbs (90g) reduces moving mass for faster throttle reaction and improved engine responsiveness.
- 2.0mm Slide Cutaway: Optimized geometry for precise fuel control and enhanced throttle sensitivity across RPM ranges.
Why Choose This Product
MIKUNI's throttle slide combines racing-grade precision with reliable performance, delivering consistent fuel delivery for power, efficiency, and rider control. Its lightweight construction reduces inertia for quicker throttle response, while the precision-machined aluminum ensures long-lasting durability in high-performance applications.| SKU | GM3E0A5AA1 |
|---|---|
| MPN | FVM38/52-2.0 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Kawasaki | KX450F | 2009-2019 |
| Honda | CRF450R | 2010-2020 |
| Yamaha | YZF450 | 2008-2015 |
| KTM | 450 SX-F | 2012-2022 |
Frequently Asked Questions
Designed for Mikuni FCR flat-slide carbs, primarily 38mm versions on 4-stroke motocross bikes.
2.0 is a mid-range cutaway; ideal for stock to mildly modified engines. Richer than stock 1.5 on many setups.
Often yes, especially if changing from stock slide. Check plug color after install and adjust pilot/main jets.
No, specific to Mikuni FVM/FCR series. Dimensions won't match other brands.
Installation Guide
Difficulty
Easy
Est. Time
15 min
Tools Required
- Phillips screwdriver
- small flathead screwdriver
- carb cleaner
Pro Tips
- Lubricate slide with light oil
- Inspect needle wear while replacing
Common Mistakes to Avoid
- Not cleaning carb body before install
- Damaging slide needle during removal
Comparison vs Stock/OEM
Aftermarket Mikuni precision slide vs. often plastic or less precise OEM slides
Improvements
- Smoother throttle action
- Better wear resistance
- More consistent fueling
Considerations
- Requires proper jetting
- Higher initial cost than OEM
Durability & Warranty
Expected Lifespan
2-5 years of racing use
Warranty
1 year Mikuni manufacturer warranty
Maintenance
Clean and inspect every 10 hours of riding; replace if grooves or flat spots develop
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