2Bros Parts

CYLINDER FULL KIT 80MM KTM SX-F/XC-F 250 07-13, ATHENA P400270100007 290CC BIG BORE, (Piston included)

£653.87Only 1 left

4.1 Trustpilot 99.9% positive on eBay

Free UK delivery 2–4 business days

Spread the cost with Klarna 18+, T&Cs apply

1

ATHENA Big Bore Cylinder Kit Ø 80 mm, 290 cc. Engineered in Italy, this kit features a motor-nicksil coating for smoothness and wear resistance. It guarantees increased performance while maintaining original component reliability. The kit includes a high-quality aluminum cylinder with increased bore, a complete piston with pin and rings, and all necessary gaskets. Components are designed to withstand high temperatures, pressures, and stresses. This cylinder kit can be installed without engine crankcase modifications. Bore Diameter: 80.00 mm, Compression Ratio: 13.5:1, Displacement: 290 cc, Net Weight: 1.80 Kg. Part No. P400270100007.

Specifications
SKU
56-K150.80.K.A
Brand
Athena
Availability
In Stock (1)

Fitments (19)

MakeModelYear
KTM250 EXC-F2012
KTM250 EXC-F2013
KTM250 EXC-F SIX DAYS2012
KTM250 EXC-F SIX DAYS2013
KTM250 SX-F2011
KTM250 SX-F2012
KTM250 XC-F2007
KTM250 XC-F2008
KTM250 XC-F2009
KTM250 XC-F2010
KTM250 XC-F2011
KTM250 XC-F2012
KTM250 XCF-W2007
KTM250 XCF-W2008
KTM250 XCF-W2009
KTM250 XCF-W2010
KTM250 XCF-W2011
KTM250 XCF-W2012
KTM250 XCF-W2013
General Product Group
Engine
General Product Type
Cylinder Kits
General Size
80mm
Variant Id
252926
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Athena 290cc Big Bore Cylinder Kit for KTM 250cc

Enhance the performance of your motorcycle with the Athena 290cc Big Bore Cylinder Kit. Engineered in Italy, this kit is designed to significantly increase power and torque while maintaining the reliability of your original engine components. Athena's commitment to quality is evident in their advanced manufacturing processes and rigorous testing.

The cylinder features an 80mm bore diameter, crafted from high-quality aluminum and coated with Athena's proprietary motor-nicksil. This advanced nickel-silicon coating provides exceptional smoothness and superior wear resistance, ensuring longevity and optimal performance.

This comprehensive kit includes a high-performance aluminum cylinder with an increased bore, a complete piston assembly with piston pin and rings, and all the necessary gaskets for installation. All components are developed to withstand extreme temperatures, pressures, and stresses, validated through extensive bench and road testing.

A key benefit of this Big Bore Cylinder Kit is its direct fit installation, meaning no modifications to the engine crankcase are required. Experience a noticeable increase in performance across the entire power curve.

Key Features:

  • Increased Displacement: 290cc
  • Bore Diameter: 80.00 mm
  • Compression Ratio: 13.5:1
  • Advanced motor-nicksil coating for durability
  • High-quality aluminum cylinder
  • Complete piston kit with pin and rings
  • Includes all necessary gaskets
  • Direct bolt-on installation, no crankcase modification needed
  • Designed and tested for superior performance and reliability

Please Note: All Athena products must be used in compliance with specific national regulations. Athena is not responsible for any improper use.

Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.

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.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

More answers in our FAQ.

Trade pricing available

Buying parts for your business? Apply for a 2BrosParts trade account.

Apply for Trade
1