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Start ShoppingMIKUNI Large Round Main Jet 102.5 - High-Performance Brass Jet for Powersports Engines
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Description
Upgrade your powersports engine's fuel delivery system with MIKUNI's Large Round Main Jet 102.5. This precision-crafted brass jet delivers consistent fuel flow for enhanced power, responsiveness, and engine efficiency in high-performance applications.
Key Features
- Material: Durable brass construction resists corrosion and maintains precision in extreme temperatures
- Orifice Size: 0.1025 inch diameter ensures accurate fuel metering for optimal engine performance
- Design: Clip-on style simplifies installation and maintenance for racing and off-road engines
- Weight: Lightweight 0.1 oz reduces strain on engine components without compromising durability
Why Choose This Product
MIKUNI's Large Round Main Jet 102.5 offers unmatched reliability for powersports engines. Its brass composition ensures long-lasting performance, while the precise orifice size delivers consistent fuel flow. The clip-on design makes it easy to install and replace, making it ideal for racers and off-road enthusiasts. Whether you're tuning a high-output engine or upgrading a stock setup, this jet provides the accuracy needed for peak performance.
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Upgrade your powersports engine's fuel delivery system with MIKUNI's Large Round Main Jet 102.5. This precision-crafted brass jet delivers consistent fuel flow for enhanced power, responsiveness, and engine efficiency in high-performance applications.
Key Features
- Material: Durable brass construction resists corrosion and maintains precision in extreme temperatures
- Orifice Size: 0.1025 inch diameter ensures accurate fuel metering for optimal engine performance
- Design: Clip-on style simplifies installation and maintenance for racing and off-road engines
- Weight: Lightweight 0.1 oz reduces strain on engine components without compromising durability
Why Choose This Product
MIKUNI's Large Round Main Jet 102.5 offers unmatched reliability for powersports engines. Its brass composition ensures long-lasting performance, while the precise orifice size delivers consistent fuel flow. The clip-on design makes it easy to install and replace, making it ideal for racers and off-road enthusiasts. Whether you're tuning a high-output engine or upgrading a stock setup, this jet provides the accuracy needed for peak performance.| SKU | GMAF886975 |
|---|---|
| MPN | FN100604-102.5 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various (Yamaha, Suzuki, Kawasaki, Honda) | Carbureted motorcycles/ATVs | 1980-2025 |
Frequently Asked Questions
Fits Mikuni TM series, VM series, and PJ series carburetors commonly found on Yamaha, Suzuki, Kawasaki, and Honda models.
Use a jetting chart based on altitude, temperature, mods (exhaust/air filter), and plug reading; start with stock and adjust.
Yes, large round has a different flow profile; confirm your carb uses large round style.
No, this is for carbureted engines only.
Installation Guide
Difficulty
Easy
Est. Time
10 min
Tools Required
- Small flathead screwdriver
- Jet needle holder (optional)
Pro Tips
- Remove float bowl completely for access; note stock jet size for records
Common Mistakes to Avoid
- Installing wrong size jet
- Not cleaning carb passages before install
Comparison vs Stock/OEM
Direct OEM equivalent or replacement for factory Mikuni jets
Improvements
- Precise flow calibration for tuning
- Consistent manufacturing tolerances
Considerations
- None; identical to OEM specs
Durability & Warranty
Expected Lifespan
Indefinite (does not wear out under normal use)
Warranty
Lifetime manufacturer defect warranty (Mikuni)
Maintenance
Inspect for debris/clogs during carb service
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