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Start ShoppingAthena P400250100001 Cylinder Kit - High-Performance Piston Kit for Powersports Engines
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Description
Upgrade your powersports engine's performance with the Athena P400250100001 Cylinder Kit, engineered for superior power output, durability, and seamless integration with high-performance engines. This premium piston kit is designed to deliver unmatched reliability for riders who demand peak performance.
Key Features
- Forged Aluminum Pistons: Lightweight yet ultra-durable construction for enhanced engine efficiency and heat resistance.
- Precision-Machined Components: Perfectly balanced tolerances ensure optimal compression and power delivery.
- Compatibility: Specifically engineered for Athena-powered engines to ensure seamless fitment and function.
- High-Temperature Coatings: Advanced thermal protection extends component lifespan and reduces wear.
Why Choose This Product
This cylinder kit is the ideal choice for riders looking to unlock their engine's full potential. The combination of advanced materials and precision engineering delivers consistent power output while minimizing maintenance needs. Whether you're tackling off-road trails or street performance, this kit ensures your engine runs cooler, faster, and longer. Its robust design withstands extreme conditions, making it a trusted upgrade for serious powersports enthusiasts.
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Upgrade your powersports engine's performance with the Athena P400250100001 Cylinder Kit, engineered for superior power output, durability, and seamless integration with high-performance engines. This premium piston kit is designed to deliver unmatched reliability for riders who demand peak performance.
Key Features
- Forged Aluminum Pistons: Lightweight yet ultra-durable construction for enhanced engine efficiency and heat resistance.
- Precision-Machined Components: Perfectly balanced tolerances ensure optimal compression and power delivery.
- Compatibility: Specifically engineered for Athena-powered engines to ensure seamless fitment and function.
- High-Temperature Coatings: Advanced thermal protection extends component lifespan and reduces wear.
Why Choose This Product
This cylinder kit is the ideal choice for riders looking to unlock their engine's full potential. The combination of advanced materials and precision engineering delivers consistent power output while minimizing maintenance needs. Whether you're tackling off-road trails or street performance, this kit ensures your engine runs cooler, faster, and longer. Its robust design withstands extreme conditions, making it a trusted upgrade for serious powersports enthusiasts.
| SKU | GM18F0018B |
|---|---|
| MPN | P400250100001 |
| Brand | Athena |
| Category | Piston kits & Components |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Honda | CRF450R | 2019-2023 |
| Honda | CRF450RX | 2019-2023 |
| Honda | CRF450RL | 2020-2024 |
Frequently Asked Questions
Yes, the new cylinder must be honed to specific crosshatch pattern specs before installation.
Yes, typically 5-10% power increase over stock, especially with proper jetting and porting.
No, complete kit includes piston, rings, pin, clips, gaskets, and O-rings.
No, this is stock bore replacement (95mm) with improved materials and tolerances.
Usually requires main jet +2-4 sizes richer and possible needle adjustment for proper fueling.
Installation Guide
Difficulty
Hard
Est. Time
4 hr 0 min
Tools Required
- Torque wrench
- Piston ring pliers
- Micrometer
- Engine stand
- Honing tool
- Socket set
Pro Tips
- Hone cylinder to manufacturer's specs (Ra 0.20-0.40μm)
- Use assembly lube on piston and rings
- Break in engine properly with 500-mile easy riding period
Common Mistakes to Avoid
- Improper piston ring installation
- Insufficient cylinder honing
- Incorrect torque specs on head bolts
Comparison vs Stock/OEM
Athena kit uses nikasil-plated aluminum cylinder vs Honda's steel sleeve, forged piston vs cast OEM
Improvements
- Better heat dissipation
- Higher RPM capability
- Improved ring sealing
- 5-10% power increase
- Longer lifespan than OEM
Considerations
- Requires professional honing
- Engine break-in period needed
- Fueling adjustments required
Durability & Warranty
Expected Lifespan
3-5x longer than OEM cylinder (300+ hours racing)
Warranty
2 year manufacturer defect warranty
Maintenance
Inspect piston clearance every 40 hours, replace rings at 100 hours
What Others Are Saying
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