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Start ShoppingMIKUNI FN102221-57.5 High Speed Jet - Premium Performance Jet Ski Engine
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Description
Elevate your watercraft performance with the MIKUNI FN102221-57.5 High Speed Jet, designed for riders who demand power, precision, and durability. This premium jet ski engine combines advanced engineering with cutting-edge technology to deliver blistering speeds and seamless control on the water.
Key Features
- High-Speed Performance: Engineered for maximum thrust and acceleration, this jet engine delivers exceptional speed without compromising stability.
- Durable Construction: Built with corrosion-resistant materials and reinforced components for long-lasting reliability in harsh aquatic environments.
- Efficient Fuel Consumption: Optimized combustion technology ensures extended runtime and reduced fuel costs during extended rides.
- Advanced Cooling System: Enhanced heat dissipation prevents overheating, maintaining peak performance even under heavy use.
Why Choose This Product
Whether you're chasing waves or racing against the clock, the MIKUNI FN102221-57.5 High Speed Jet offers unmatched power delivery, smooth operation, and built-in durability. Its compact design integrates seamlessly with modern jet ski frames, while the intuitive control system gives riders precise maneuverability. Perfect for both recreational use and competitive racing, this engine sets a new standard for performance and value in the powersports industry.
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Elevate your watercraft performance with the MIKUNI FN102221-57.5 High Speed Jet, designed for riders who demand power, precision, and durability. This premium jet ski engine combines advanced engineering with cutting-edge technology to deliver blistering speeds and seamless control on the water.
Key Features
- High-Speed Performance: Engineered for maximum thrust and acceleration, this jet engine delivers exceptional speed without compromising stability.
- Durable Construction: Built with corrosion-resistant materials and reinforced components for long-lasting reliability in harsh aquatic environments.
- Efficient Fuel Consumption: Optimized combustion technology ensures extended runtime and reduced fuel costs during extended rides.
- Advanced Cooling System: Enhanced heat dissipation prevents overheating, maintaining peak performance even under heavy use.
Why Choose This Product
Whether you're chasing waves or racing against the clock, the MIKUNI FN102221-57.5 High Speed Jet offers unmatched power delivery, smooth operation, and built-in durability. Its compact design integrates seamlessly with modern jet ski frames, while the intuitive control system gives riders precise maneuverability. Perfect for both recreational use and competitive racing, this engine sets a new standard for performance and value in the powersports industry.
| SKU | GM566DCE2D |
|---|---|
| MPN | FN102221-57.5 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various | Mikuni VM series carbureted motorcycles/ATVs | 1980-2025 |
| Yamaha | YZ450F, WR450F | 2005-2015 |
| Honda | CRF450R | 2008-2020 |
| Kawasaki | KX500 | 1995-2010 |
Frequently Asked Questions
Fits most Mikuni VM round slide carbs (VM26, VM30, VM34, BS34, etc.). Check your carb model stamp.
This is a high speed (main) jet. Pilot jets are smaller, like BM series.
Single jet for fine-tuning. Recommend full jet kit for major changes.
Optimizes fuel delivery for specific conditions; pair with air filter/pipe mods for best results.
Installation Guide
Difficulty
Easy
Est. Time
5 min
Tools Required
- Small flathead screwdriver
- Jet cleaning brush or carb cleaner
Pro Tips
- Remove emulsion tube fully to access main jet. Clean jet before install. Always rejet in pairs (pilot + main) for balance.
Common Mistakes to Avoid
- Not cleaning carb passages before install
- Incorrect jet size for altitude/temp
Comparison vs Stock/OEM
Direct OEM replacement or upgrade for stock Mikuni jets
Improvements
- Precise fuel metering for performance tuning
- Pure brass for durability over alloy alternatives
Considerations
- Requires dyno or plug reading for optimal sizing
Durability & Warranty
Expected Lifespan
Indefinite with proper cleaning; lasts multiple rebuilds
Warranty
Limited manufacturer warranty (defects only)
Maintenance
Clean during every carb service (every 10-20 hours riding)
What Others Are Saying
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