2Bros Parts

CYLINDER KIT 81mm KTM 250 SX-F EXC-F 23-26 ATHENA P400270100026 STD BORE

595,85 €
Out of Stock

Athena standard bore cylinder kit for KTM 250 SX-F and EXC-F 4-stroke models. This complete top-end rebuild kit maintains original engine geometry, tolerances, and operating characteristics. The kit includes a high-silicon aluminium cylinder with wear-resistant coating, a forged CNC-machined piston with molybdenum disulphide coating, wrist pin, circlips, and a full gasket set featuring a multi-layer steel, stainless steel, laser-cut head gasket. Bore diameter is 81 mm (standard bore). Compatible with OEM components. Offers high wear resistance, durability, stable performance under high thermal and mechanical loads, and reduced friction. Suitable for professional engine rebuilds. Kit reference: P400270100026.

Specifications
SKU
56-K2520.81.CKA
Brand
Athena
Availability
Out of Stock
SKU
56-K2520.81.CKA
Brand
Athena
Availability
Out of Stock
Shipping OptionsShown at checkout
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Athena Standard Bore Cylinder Kit for KTM 250 4-Stroke

Restore peak performance to your KTM 250 SX-F or EXC-F with the Athena Standard Bore Cylinder Kit. This comprehensive top-end rebuild solution is engineered to maintain the original engine geometry and tolerances, offering a direct replacement for OEM components without requiring any modifications.

The kit includes a precisely manufactured high-silicon aluminum cylinder with a wear-resistant coating, a robust forged and CNC-machined piston featuring a molybdenum disulfide coating for reduced friction, a wrist pin, circlips, and a complete gasket set. This ensures consistent performance and enhanced durability even under demanding off-road conditions and high thermal loads.

Key Features:

  • Complete top-end rebuild kit for KTM 250 4-stroke engines.
  • Maintains original bore size and engine configuration for a direct fit.
  • Plug-and-play installation, no modifications needed.
  • High wear resistance and durability for extended off-road use.
  • Stable performance under high thermal and mechanical stress.
  • Reduced friction for smoother engine operation.
  • Suitable for professional engine rebuilds.

Specifications:

  • Bore Diameter: 81 mm (Standard Bore)
  • Cylinder Material: High-silicon aluminum with wear-resistant coating.
  • Piston Type: Forged, CNC-machined.
  • Piston Coating: Molybdenum disulfide.
  • Head Gasket Type: Multi-layer steel (MLS), stainless steel, laser-cut.
  • Manufacturer: Athena
Athena Cylinder Kit 81mm STD Bore for KTM 250 SX-F EXC-F 2023-2026 P400270100026