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Start ShoppingMIKUNI FVM11/22-135 Round Main Jets - High-Performance Fuel Jet Kit for Racing & Off-Road
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Description
Upgrade your MIKUNI carburetor's fuel delivery system with these precision-machined round main jets. Designed for racing and off-road applications, these jets ensure consistent fuel flow for maximum power and responsiveness across a wide range of engine speeds.
Key Features
- Exact Fuel Flow Calibration: Precisely engineered for the FVM11/22-135 carburetor to maintain optimal air-fuel ratios under varying conditions.
- Durable Brass Construction: Corrosion-resistant material ensures long-lasting performance in harsh environments.
- Easy Installation: Plug-and-play design fits standard MIKUNI carburetor setups without requiring major modifications.
- Performance Optimization: Enhances throttle response and mid-range power delivery for competitive edge.
Why Choose This Product
These round main jets deliver reliable fuel metering for both street and track use. The precise calibration improves engine efficiency while maintaining emissions compliance. Riders benefit from smoother power delivery, reduced hesitation, and consistent performance across different weather conditions. The durable brass construction resists wear from fuel and heat, ensuring reliable operation during extended rides or high-stress racing scenarios.
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Upgrade your MIKUNI carburetor's fuel delivery system with these precision-machined round main jets. Designed for racing and off-road applications, these jets ensure consistent fuel flow for maximum power and responsiveness across a wide range of engine speeds.
Key Features
- Exact Fuel Flow Calibration: Precisely engineered for the FVM11/22-135 carburetor to maintain optimal air-fuel ratios under varying conditions.
- Durable Brass Construction: Corrosion-resistant material ensures long-lasting performance in harsh environments.
- Easy Installation: Plug-and-play design fits standard MIKUNI carburetor setups without requiring major modifications.
- Performance Optimization: Enhances throttle response and mid-range power delivery for competitive edge.
Why Choose This Product
These round main jets deliver reliable fuel metering for both street and track use. The precise calibration improves engine efficiency while maintaining emissions compliance. Riders benefit from smoother power delivery, reduced hesitation, and consistent performance across different weather conditions. The durable brass construction resists wear from fuel and heat, ensuring reliable operation during extended rides or high-stress racing scenarios.
| SKU | GM9D1E5D2D |
|---|---|
| MPN | FVM11/22-135 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various Japanese | Models with Mikuni VM series carbs (e.g., Yamaha YZ, Honda XR/CRF, Kawasaki KX) | 1980-2025 |
| Suzuki | RM/DR-Z series | 1990-2010 |
Frequently Asked Questions
Fits Mikuni VM11/22 series carbs including VM20, VM24, VM26, BS32/34 on many off-road bikes.
Measure your stock jet with calipers or a jet gauge. Start with stock size and adjust based on plug reads, altitude, mods.
Universal for both; used in racing and trail bikes from Yamaha, Honda, Kawasaki, Suzuki.
Yes, most retailers sell packs of 10 or individually for tuning multiple sizes.
Installation Guide
Difficulty
Easy
Est. Time
10 min
Tools Required
- Small flathead screwdriver
- Jet gauge or calipers
- Carb cleaner
Pro Tips
- Always clean needle jet and slide before changing main jet. Test in small increments (e.g., 2-5 sizes) for tuning
Common Mistakes to Avoid
- Installing wrong size jet without measuring
- Not cleaning carb passages before install
Comparison vs Stock/OEM
Direct OEM replacement or upgrade; identical to factory Mikuni jets on many bikes
Improvements
- Precise flow calibration for custom tuning
- Consistent brass machining vs. variable OEM quality
Considerations
- Requires dyno/tuning knowledge for non-stock setups
Durability & Warranty
Expected Lifespan
Lasts entire carb life if not damaged; indefinite with proper tuning
Warranty
Limited lifetime from Mikuni against defects
Maintenance
Inspect during carb cleans; replace if clogged or deformed
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