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Start ShoppingMIKUNI FN102221-102.5 High Speed Jet - Premium Jet Ski Engine for Power & Performance
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Description
Push boundaries with the MIKUNI FN102221-102.5 High Speed Jet, engineered to deliver blistering speed and unwavering reliability for powerboat enthusiasts. This premium jet engine combines cutting-edge technology with durable construction to provide an unforgettable riding experience.
Key Features
- High-Speed Performance: Advanced propulsion system for rapid acceleration and top-tier speed capabilities.
- Durable Construction: Reinforced components withstand harsh conditions for long-lasting reliability.
- Efficient Cooling System: Optimized heat dissipation prevents overheating during extended use.
- Easy Maintenance: Simplified serviceability reduces downtime and lowers ownership costs.
- Compatibility: Designed for seamless integration with modern jet ski and powerboat systems.
Why Choose This Product
Whether you're chasing waves or racing across open water, the MIKUNI FN102221-102.5 delivers consistent power and responsive handling. Its robust design ensures durability in demanding environments, while fuel-efficient engineering maximizes runtime. Riders benefit from reduced maintenance intervals and enhanced safety features, making it a smart investment for serious water sports enthusiasts.
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Push boundaries with the MIKUNI FN102221-102.5 High Speed Jet, engineered to deliver blistering speed and unwavering reliability for powerboat enthusiasts. This premium jet engine combines cutting-edge technology with durable construction to provide an unforgettable riding experience.
Key Features
- High-Speed Performance: Advanced propulsion system for rapid acceleration and top-tier speed capabilities.
- Durable Construction: Reinforced components withstand harsh conditions for long-lasting reliability.
- Efficient Cooling System: Optimized heat dissipation prevents overheating during extended use.
- Easy Maintenance: Simplified serviceability reduces downtime and lowers ownership costs.
- Compatibility: Designed for seamless integration with modern jet ski and powerboat systems.
Why Choose This Product
Whether you're chasing waves or racing across open water, the MIKUNI FN102221-102.5 delivers consistent power and responsive handling. Its robust design ensures durability in demanding environments, while fuel-efficient engineering maximizes runtime. Riders benefit from reduced maintenance intervals and enhanced safety features, making it a smart investment for serious water sports enthusiasts.
| SKU | GM0BD10E79 |
|---|---|
| MPN | FN102221-102.5 |
| Brand | MIKUNI |
| Category | Jets |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Various | Mikuni VM/PF/BS carbureted motorcycles, ATVs, dirt bikes | 1980-2025 |
Frequently Asked Questions
Fits most Mikuni VM, PF, and BS series carbs with #102 main jet position, like VM26/VM30/BS32.
Depends on your stock jet size; 102.5 is larger than 100-102, richer mixture for hotter climates or mods.
Often yes, pair with pilot jet adjustment for full tune; use plug reading to verify.
Carb jetting changes are common mods and typically don't void warranties if no damage occurs.
Installation Guide
Difficulty
Easy
Est. Time
5 min
Tools Required
- Small flathead screwdriver
- Jet cleaning wire or carb cleaner
Pro Tips
- Remove carb float bowl, unscrew old jet with screwdriver, insert new jet finger-tight then snug. Test plug chop for air/fuel ratio after
Common Mistakes to Avoid
- Installing wrong size jet
- Not cleaning carb passages before install
Comparison vs Stock/OEM
Direct OEM replacement or upgrade; precision machined brass for consistent fuel flow
Improvements
- Exact sizing for precise tuning
- Better corrosion resistance
- Ideal for elevation/temp changes
Considerations
- Aftermarket identical to OEM specs in most cases
Durability & Warranty
Expected Lifespan
Indefinite with proper cleaning; lasts multiple rebuilds
Warranty
Limited lifetime from Mikuni against defects
Maintenance
Clean with carb cleaner every service; inspect for wear/clogging
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