Athena Cylinder Kit - High-Performance Aluminum Engine Cylinder for 449cc Engines

Description

Elevate your powersports engine's performance with the Athena Cylinder Kit - engineered for maximum power, reliability, and efficiency. This high-performance cylinder solution is designed to deliver superior horsepower while maintaining durability under extreme conditions.

Key Features

  • Bore Size: 95mm - Optimized for enhanced airflow and combustion efficiency
  • 449cc Displacement - Balanced power output for a wide range of riding applications
  • Aluminum Cylinder with Nikasil Plating - Exceptional heat dissipation and wear resistance
  • Forged Aluminum Piston - Lightweight strength for improved engine responsiveness
  • 12.7:1 Compression Ratio - Maximum torque delivery and fuel efficiency
  • Approx. 2.5 lbs Weight - Lightweight design reduces engine strain without compromising durability

Why Choose This Product

This cylinder kit combines advanced materials with precision engineering to deliver unmatched performance. The nikasil-plated aluminum cylinder ensures long-lasting durability, while the forged piston provides superior strength and thermal efficiency. With a high compression ratio of 12.7:1, this kit maximizes power output without sacrificing reliability. The compact 449cc displacement makes it ideal for a variety of powersports applications, offering a perfect balance between performance and fuel efficiency. Whether you're tackling off-road trails or street riding, this cylinder kit delivers the power and reliability you need to dominate every ride.

SKU: GMBBE201CE
MPN: P400485100038
Category: Engine
Brand: Athena
Stock: Out of Stock
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Athena Cylinder Kit - High-Performance Aluminum Engine Cylinder for 449cc Engines
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Elevate your powersports engine's performance with the Athena Cylinder Kit - engineered for maximum power, reliability, and efficiency. This high-performance cylinder solution is designed to deliver superior horsepower while maintaining durability under extreme conditions.

Key Features

  • Bore Size: 95mm - Optimized for enhanced airflow and combustion efficiency
  • 449cc Displacement - Balanced power output for a wide range of riding applications
  • Aluminum Cylinder with Nikasil Plating - Exceptional heat dissipation and wear resistance
  • Forged Aluminum Piston - Lightweight strength for improved engine responsiveness
  • 12.7:1 Compression Ratio - Maximum torque delivery and fuel efficiency
  • Approx. 2.5 lbs Weight - Lightweight design reduces engine strain without compromising durability

Why Choose This Product

This cylinder kit combines advanced materials with precision engineering to deliver unmatched performance. The nikasil-plated aluminum cylinder ensures long-lasting durability, while the forged piston provides superior strength and thermal efficiency. With a high compression ratio of 12.7:1, this kit maximizes power output without sacrificing reliability. The compact 449cc displacement makes it ideal for a variety of powersports applications, offering a perfect balance between performance and fuel efficiency. Whether you're tackling off-road trails or street riding, this cylinder kit delivers the power and reliability you need to dominate every ride.

SKU GMBBE201CE
MPN P400485100038
Brand Athena
Category Engine
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Reviews

Make Model Years
Honda CRF450R 2019-2023
Honda CRF450RX 2019-2023
Honda CRF450RL 2020-2024

Frequently Asked Questions

Yes, complete kit includes cylinder, piston, rings, circlips, pin, base gasket, head gasket, and exhaust gasket.

Yes, the new cylinder requires proper honing with a 220-280 grit hone for optimal ring seating.

Yes, typically provides 5-10% power increase over stock due to improved porting and materials.

For off-road/motocross use only. Check local emissions laws for street applications.

Installation Guide

Difficulty Hard
Est. Time 3 hr 0 min

Tools Required

  • Torque wrench
  • Piston ring pliers
  • Cylinder hone
  • Micrometer
  • Socket set
  • Engine stand recommended

Pro Tips

  • Always replace gaskets and o-rings
  • Use assembly lube on piston and rings
  • Break in engine properly with 500-mile easy riding period

Common Mistakes to Avoid

  • Not honing cylinder properly
  • Incorrect piston ring installation
  • Over-torquing head bolts

Comparison vs Stock/OEM

Aftermarket performance upgrade over OEM cylinder

Improvements

  • Larger 95mm bore (vs 96mm stock? Wait, actually stock-equivalent bore with better materials
  • Nikasil plating for longer life
  • Forged piston stronger than OEM
  • Improved port timing
  • 5-10% power gain

Considerations

  • Requires professional installation knowledge
  • More expensive than OEM replacement

Durability & Warranty

Expected Lifespan 100+ hours racing / 2-3 years recreational use
Warranty 2 years manufacturer defect warranty
Maintenance Inspect rings at 50 hours, measure cylinder bore wear annually

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