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Start ShoppingMIKUNI FBS30/97-1.2 Air Jet Carburetor - High-Performance Fuel System for Powersports
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Description
Upgrade your powersports engine's performance with the MIKUNI FBS30/97-1.2 Air Jet carburetor, designed for precise fuel metering and reliable operation in high-performance applications. This critical fuel system component ensures optimal air-fuel mixture for enhanced power, efficiency, and throttle response.
Key Features
- Advanced Air Jet Design: Precisely calibrated to deliver consistent fuel flow across varying engine speeds and loads.
- Durable Construction: High-quality materials withstand extreme temperatures and harsh operating conditions.
- Easy Installation: Compatible with standard carburetor mounting systems for quick integration.
- Performance Optimization: Fine-tuned for maximum power output and fuel efficiency in powersports engines.
Why Choose This Product
Whether you're modifying a motorcycle, ATV, or off-road vehicle, the MIKUNI FBS30/97-1.2 Air Jet provides reliable fuel delivery that enhances engine performance while maintaining durability. Its precision engineering ensures smooth throttle response and consistent power delivery, making it a trusted choice for riders demanding top-tier performance. This carburetor's compatibility with standard systems simplifies installation, saving time and labor costs while delivering long-term reliability.
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Upgrade your powersports engine's performance with the MIKUNI FBS30/97-1.2 Air Jet carburetor, designed for precise fuel metering and reliable operation in high-performance applications. This critical fuel system component ensures optimal air-fuel mixture for enhanced power, efficiency, and throttle response.
Key Features
- Advanced Air Jet Design: Precisely calibrated to deliver consistent fuel flow across varying engine speeds and loads.
- Durable Construction: High-quality materials withstand extreme temperatures and harsh operating conditions.
- Easy Installation: Compatible with standard carburetor mounting systems for quick integration.
- Performance Optimization: Fine-tuned for maximum power output and fuel efficiency in powersports engines.
Why Choose This Product
Whether you're modifying a motorcycle, ATV, or off-road vehicle, the MIKUNI FBS30/97-1.2 Air Jet provides reliable fuel delivery that enhances engine performance while maintaining durability. Its precision engineering ensures smooth throttle response and consistent power delivery, making it a trusted choice for riders demanding top-tier performance. This carburetor's compatibility with standard systems simplifies installation, saving time and labor costs while delivering long-term reliability.
| SKU | GMA8043C2D |
|---|---|
| MPN | FBS30/97-1.2 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various Japanese | Carbureted motorcycles/ATVs (e.g., Honda XR series, Yamaha YZ, Kawasaki KX, Suzuki RM) | 1980-2025 |
| Honda | CRF250R, CRF450R | 1990-2010 |
| Yamaha | PW80, YZ125, WR250 | 1985-2020 |
Frequently Asked Questions
Fits Mikuni VM26-VM34, PF30-PF39 series carbs commonly found on dirt bikes, ATVs, and vintage motorcycles.
Use a jet kit recommendation chart based on your elevation, temperature, mods (exhaust/air filter), and plug reading.
This is an air jet (FBS series), controls air flow into emulsion circuit; pair with main fuel jet for tuning.
No, Mikuni jets have different threading; use Keihin jets for PWK/OK carbs.
Yes, FBS30/97 series available from 0.8mm to 2.0mm; check Mikuni catalog.
Installation Guide
Difficulty
Easy
Est. Time
5 min
Tools Required
- Small flathead screwdriver
- Jet removal tool (optional)
Pro Tips
- Note original jet size before removal. Clean with carb cleaner. Test plug chop after install to verify tuning
Common Mistakes to Avoid
- Dropping tiny jet into carb body (use magnet or tape)
- Not cleaning carb passages before install
Comparison vs Stock/OEM
Direct OEM replacement or upgrade for worn jets; identical to factory Mikuni jets on many Japanese bikes
Improvements
- Precise machining for consistent fuel/air mix
- Corrosion-resistant brass
- Enables custom tuning vs stock fixed jetting
Considerations
- Stock may be adequate for unmodified low-altitude use
Durability & Warranty
Expected Lifespan
Indefinite with proper maintenance (lasts engine life unless clogged)
Warranty
Limited lifetime (manufacturer defect only)
Maintenance
Inspect/clean during carb service (every 20-50 hours); replace if deformed or clogged
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