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Start ShoppingMIKUNI FN100606-97.5 Low Speed Jet - Brass Main Jet for Carburetors (M5 x 0.75 Thread)
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Description
Upgrade your carburetor's fuel delivery precision with this MIKUNI Low Speed Jet. Designed for high-performance engines, this 97.5 main jet ensures optimal air-fuel mixture for power and efficiency.
Key Features
- Jet Size: 97.5 for precise fuel metering in low-speed operating ranges
- Material: Durable brass construction for corrosion resistance and smooth flow
- Thread Type: M5 x 0.75 metric thread for universal carburetor compatibility
- Weight: 0.5 grams for minimal impact on engine performance
- Dimensions: 5mm diameter x 10mm length for compact, space-efficient installation
Why Choose This Product
This high-quality jet delivers consistent fuel flow for improved throttle response and engine stability. The brass material resists clogging and maintains flow accuracy under varying conditions. Its precise 97.5 sizing ensures optimal performance in both stock and modified engines. The M5 x 0.75 thread pattern makes it compatible with most carburetor systems, while the lightweight design reduces rotational mass for smoother operation. Whether you're tuning a classic motorcycle or modifying a modern powersport vehicle, this jet provides reliable fuel delivery for peak performance.
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Upgrade your carburetor's fuel delivery precision with this MIKUNI Low Speed Jet. Designed for high-performance engines, this 97.5 main jet ensures optimal air-fuel mixture for power and efficiency.
Key Features
- Jet Size: 97.5 for precise fuel metering in low-speed operating ranges
- Material: Durable brass construction for corrosion resistance and smooth flow
- Thread Type: M5 x 0.75 metric thread for universal carburetor compatibility
- Weight: 0.5 grams for minimal impact on engine performance
- Dimensions: 5mm diameter x 10mm length for compact, space-efficient installation
Why Choose This Product
This high-quality jet delivers consistent fuel flow for improved throttle response and engine stability. The brass material resists clogging and maintains flow accuracy under varying conditions. Its precise 97.5 sizing ensures optimal performance in both stock and modified engines. The M5 x 0.75 thread pattern makes it compatible with most carburetor systems, while the lightweight design reduces rotational mass for smoother operation. Whether you're tuning a classic motorcycle or modifying a modern powersport vehicle, this jet provides reliable fuel delivery for peak performance.
| SKU | GM0662BAE5 |
|---|---|
| MPN | FN100606-97.5 |
| Brand | MIKUNI |
| Category | Intake/Carb/Fuel System |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Multiple (Suzuki, Yamaha, Kawasaki, Honda) | Various models with Mikuni VM26-VM34 carburetors | 1985-2024 |
| Suzuki | RM250, RMZ250, DRZ400 | 1990-2005 |
| Yamaha | YFS200 Blaster, YZ125, WR250 | 1987-2020 |
| Kawasaki | KX125, KLX300 | 1995-2015 |
Frequently Asked Questions
Jet size depends on your altitude, temperature, modifications, and riding style. Start with 1-2 sizes richer than stock and test.
Fits Mikuni round slide carbs VM24-VM38 series. Check your carb model number stamped on the body.
Low speed jet (main jet #1) controls 1/8 to 1/4 throttle. Main jet controls 3/4 to wide open throttle.
Usually yes - change needle position, pilot jet, and air screw when changing main jets for best results.
Mikuni is the OEM carburetor manufacturer for most Japanese bikes, so these are OEM quality replacement jets.
Installation Guide
Difficulty
Easy
Est. Time
5 min
Tools Required
- Small flathead screwdriver
- Jet cleaning brush
- Carb cleaner
Pro Tips
- Clean carburetor completely before jet change
- Use carb cleaner and compressed air
- Record your stock jet size
- Change air filter and clean pilot circuit at same time
Common Mistakes to Avoid
- Not cleaning jet passages thoroughly before install
- Incorrect jet size selection
- Damaging o-ring during removal
Comparison vs Stock/OEM
Direct OEM replacement - identical to factory jets
Improvements
- Perfect fit and flow characteristics
- Consistent manufacturing tolerances
- Proper brass material for fuel flow
Considerations
- Must select correct size for your specific setup
Durability & Warranty
Expected Lifespan
Indefinite with proper fuel/filter maintenance
Warranty
Limited manufacturer warranty
Maintenance
Clean during every carb cleaning (20-50 hours). Replace if passages clogged or deformed.
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