2Bros Parts

CYLINDER FULL KIT 90mm 11-15 KTM SX-F XC-F 350 ATHENA P400270100005 365CC BIG BORE (PISTON INCLUDED)

£684.00

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ATHENA Big Bore Cylinder Kit 90mm 365cc. This kit features a high-quality aluminum cylinder with an increased bore diameter of 90.00mm, a complete piston with pin and rings, and all necessary gaskets. The cylinder is coated with Athena's proprietary motor-nicksil, a nickel-silicon coating designed for smoothness and wear resistance. Engineered in Italy, these kits are developed to withstand high temperatures, pressures, and stresses, validated through rigorous testing. The kit increases performance along the power curve while maintaining the reliability of original components. Installation requires no modifications to the engine crankcase. Technical features include a bore diameter of 90.00mm, a compression ratio of 14.0:1, a displacement of 365cc, and a net weight of 1.71kg. Part number 56-K152.90.KIT.

Specifications
SKU
56-K152.90.CKA
Brand
Athena
Availability
In Stock (2)

Fitments (31)

MakeModelYear
HUSQVARNAFC 3502014
HUSQVARNAFC 3502015
HUSQVARNAFE 3502014
HUSQVARNAFE 3502015
HUSQVARNAFE 3502016
KTM350 EXC-F2012
KTM350 EXC-F2013
KTM350 EXC-F2014
KTM350 EXC-F2015
KTM350 EXC-F2016
KTM350 EXC-F SIX DAYS2013
KTM350 EXC-F SIX DAYS2014
KTM350 EXC-F SIX DAYS2015
KTM350 EXC-F SIX DAYS2016
KTM350 FREERIDE2013
KTM350 FREERIDE2014
KTM350 SX-F2011
KTM350 SX-F2012
KTM350 SX-F2013
KTM350 SX-F2014
KTM350 SX-F2015
KTM350 XC-F2011
KTM350 XC-F2012
KTM350 XC-F2013
KTM350 XC-F2014
KTM350 XC-F2015
KTM350 XCF-W2012
KTM350 XCF-W2013
KTM350 XCF-W2014
KTM350 XCF-W2015
KTM350 XCF-W2016
General Product Group
Engine
General Product Type
Cylinder Kits
General Size
90mm
Variant Id
252944
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Athena Big Bore Cylinder Kit 90mm 365cc (Piston Included)

Enhance your motorcycle's performance with the Athena Big Bore Cylinder Kit. This high-quality kit features a cylinder with an increased bore diameter of 90mm, boosting displacement to 365cc. All components are engineered in Italy by Athena's dedicated R&D department, utilizing cutting-edge tools and extensive know-how.

The cylinder is coated with Athena's proprietary 'motor-nicksil', a nickel-silicon coating designed for exceptional smoothness and wear resistance. Athena's Big Bore Kits are globally recognized for delivering increased performance across the power curve while maintaining the reliability of original components.

This comprehensive kit includes:

  • An aluminum cylinder with an increased bore (90mm).
  • A complete piston assembly, including piston pin and rings.
  • All necessary gaskets for installation.

Each part in this kit is rigorously developed to withstand extreme temperatures, pressures, and stresses, validated through extensive bench and road testing by Athena technicians. Importantly, this cylinder kit can be installed without requiring any modifications to the engine crankcase.

Technical Specifications:

  • Bore Diameter: 90.00 mm
  • Compression Ratio: 14.0:1
  • Displacement: 365 cc
  • Net Weight: 1.71 kg

Important Note: All Athena products must be used in compliance with the specific national regulations of the country where they are marketed or sold. Athena is not responsible for any improper use.

Before you buy

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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.

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

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