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Start ShoppingMIKUNI #175 Large Round Main Jets for Carburetors - High-Flow Brass Jets for Japanese Bikes
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Description
Upgrade your carburetor's fuel delivery system with these MIKUNI #175 Large Round Main Jets. Designed for precision tuning, these brass jets deliver consistent airflow for enhanced engine performance and responsiveness.
Key Features
- Brass Construction: Durable, corrosion-resistant material ensures long-lasting performance in harsh riding conditions.
- Exact #175 Flow Rate: Precisely calibrated inner orifice for optimal fuel metering in high-output engines.
- 7.7mm Outer Diameter: Standard size for easy installation and compatibility with Mikuni carburetor systems.
- M5 x 0.75 Thread: Universal thread pattern simplifies replacement of OEM main jets in Japanese bikes.
- Lightweight Design: Only 2 grams adds minimal weight while maintaining precise fuel control.
Why Choose This Product
These MIKUNI main jets offer unmatched reliability for riders seeking fine-tuned fuel delivery. The brass material resists clogging and maintains accuracy over time, while the standardized thread size ensures seamless integration with Mikuni TM, VM, and HSR series carburetors. Perfect for restoring factory performance or customizing fuel maps for modified engines.
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Upgrade your carburetor's fuel delivery system with these MIKUNI #175 Large Round Main Jets. Designed for precision tuning, these brass jets deliver consistent airflow for enhanced engine performance and responsiveness.
Key Features
- Brass Construction: Durable, corrosion-resistant material ensures long-lasting performance in harsh riding conditions.
- Exact #175 Flow Rate: Precisely calibrated inner orifice for optimal fuel metering in high-output engines.
- 7.7mm Outer Diameter: Standard size for easy installation and compatibility with Mikuni carburetor systems.
- M5 x 0.75 Thread: Universal thread pattern simplifies replacement of OEM main jets in Japanese bikes.
- Lightweight Design: Only 2 grams adds minimal weight while maintaining precise fuel control.
Why Choose This Product
These MIKUNI main jets offer unmatched reliability for riders seeking fine-tuned fuel delivery. The brass material resists clogging and maintains accuracy over time, while the standardized thread size ensures seamless integration with Mikuni TM, VM, and HSR series carburetors. Perfect for restoring factory performance or customizing fuel maps for modified engines.| SKU | GM52F191FA |
|---|---|
| MPN | FN100604-175 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various Japanese | Carbureted motorcycles/ATVs (Keihin/Mikuni carbs) | 1980-2025 |
| Yamaha | YFM350X Warrior, Banshee | 1990-2010 |
| Honda | TRX400EX, CRF450R (pre-EFI) | 2000-2020 |
Frequently Asked Questions
Fits Mikuni VM series (VM26-VM44), large round main jets for round-slide carbs. Check your carb's main jet type.
Base on stock jet size, altitude, mods (exhaust/air filter), and plug reads. Start 2-3 sizes richer than stock for safety.
Yes, OEM Mikuni part number FN100604-175.
No, Keihin uses different jet shapes. Mikuni jets are round with clip-on style.
Installation Guide
Difficulty
Easy
Est. Time
10 min
Tools Required
- Small flathead screwdriver
- Jet cleaning wire or carb cleaner
Pro Tips
- Remove float bowl, unscrew old jet with screwdriver. Verify size stamped on jet head. Clean with carb cleaner.
Common Mistakes to Avoid
- Not cleaning jets before install
- Incorrect jet size selection for altitude/temp
Comparison vs Stock/OEM
Direct OEM replacement for Mikuni carbs; identical to factory jets
Improvements
- Precise flow calibration
- Consistent brass machining
Considerations
- Aftermarket carbs may vary slightly in flow
Durability & Warranty
Expected Lifespan
Indefinite with proper cleaning; does not wear out
Warranty
Manufacturer defect warranty (contact retailer)
Maintenance
Clean with carb cleaner every service; inspect for damage
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