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CYLINDER FULL KIT 100mm 2009-2015 KAWASAKI KX 450 ATHENA P400250100015 490CC BIG BORE (Piston included)

£684.00Only 1 left

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A big bore cylinder kit with a 100 mm bore and 490 cc displacement engineered to increase performance across the power curve while maintaining reliability comparable to original components. Developed and tested in Italy, it features a lightweight aluminium cylinder with a nickel-silicon coated bore and a complete piston package. Supplied with piston, pin, rings and all required gaskets. Installable without modifications to the engine crankcase. The aluminium cylinder has a nickel-silicon coating for smoothness and wear resistance. Developed to increase performance while retaining original-level reliability. Complete kit includes piston, piston pin, piston rings and gaskets. Components validated through bench and road testing. Designed to withstand high temperatures, pressures and stresses. Bore diameter is 100.00 mm and bore gain is +4 mm. Displacement is 490 cc. Compression ratio is 12.0:1. Contents: Aluminium cylinder, piston, piston pin, piston rings, gaskets. Manufacturer: Athena.

Specifications
SKU
56-K147.100.KIT
Brand
Athena
Availability
In Stock (1)

Fitments (24)

MakeModelYear
HONDACRF 450R2009
HONDACRF 450R2010
HONDACRF 450R2011
HONDACRF 450R2012
HONDACRF 450R2013
HONDACRF 450R2014
HONDACRF 450R2015
HONDACRF 450R2016
KAWASAKIKX 450F2009
KAWASAKIKX 450F2010
KAWASAKIKX 450F2011
KAWASAKIKX 450F2012
KAWASAKIKX 450F2013
KAWASAKIKX 450F2014
KAWASAKIKX 450F2015
KAWASAKIKX 450F2016
KAWASAKIKX 450F2017
KAWASAKIKX 450F2018
SUZUKIRM-Z 4502013
SUZUKIRM-Z 4502014
SUZUKIRM-Z 4502015
SUZUKIRM-Z 4502016
SUZUKIRM-Z 4502017
SUZUKIRM-Z 4502018
General Product Group
Engine
General Product Type
Cylinder Kits
General Size
100mm
Variant Id
252906
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Athena 490cc Big Bore Cylinder Kit for Kawasaki KX450

Enhance the performance of your motorcycle with the Athena 490cc Big Bore Cylinder Kit. This comprehensive kit is engineered to boost power across the entire RPM range while maintaining reliability comparable to original factory components. Developed and rigorously tested in Italy, this kit features a lightweight aluminum cylinder with a smooth and durable nickel-silicon coated bore.

Key Features:

  • Increased Displacement: A bore diameter of 100.00 mm results in a significant increase in displacement to 490 cc for a substantial power upgrade.
  • Nickel-Silicon Coating: The cylinder bore features a nickel-silicon coating, also known as motor-nicksil, providing exceptional smoothness and superior wear resistance for extended engine life.
  • Performance Focused: Designed to deliver increased performance without compromising the reliability expected from original parts.
  • Complete Kit: This kit includes everything needed for installation: a high-quality aluminum cylinder, piston, piston pin, piston rings, and all necessary gaskets.
  • Proven Durability: Components have undergone extensive validation through both dynamometer and real-world road testing to ensure they can withstand demanding conditions.
  • Engineered for Strength: Built to effectively manage high temperatures, pressures, and stresses encountered during operation.
  • Hassle-Free Installation: The kit is designed for direct installation without requiring any modifications to the engine crankcase.
  • Optimal Compression: Features a compression ratio of 12.0:1 for efficient combustion and power delivery.

Specifications:

  • Bore Diameter: 100.00 mm
  • Bore Gain: +4 mm
  • Engine Displacement: 490 cc
  • Compression Ratio: 12.0:1
  • Contents: Aluminum Cylinder, Piston, Piston Pin, Piston Rings, Gaskets

Note: Usage of this part must comply with all applicable national regulations.

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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

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