Comprehensive big-bore conversion kit for KTM Duke 125 (2010–2015), increasing capacity to 160 cc with a 65.00 mm plated aluminium cylinder. Developed by Athena, the kit includes a matched piston assembly, ECU (CDI), full exhaust pipe and all necessary gaskets, enabling installation without crankcase modifications.

Features

• Complete big-bore kit to 160 cc with Ø 65.00 mm cylinder


• Cylinder constructed from high-quality aluminium with nickel–silicon (Motor-Nicksil) coating for smoothness and wear resistance


• Includes ECU (CDI) calibrated for the kit


• Includes complete piston assembly (piston, pin and rings)


• Includes exhaust pipe designed to suit the kit


• Includes all necessary gaskets for installation


• Components validated by bench and road testing for durability and reliability


• Designed to be installed without modifying the engine crankcase


• Must be used in compliance with national regulations

Specifications

• Bore diameter: 65.00 mm


• Displacement: 160 cc


• Net weight: 1.80 kg


• Cylinder material/coating: Aluminium with nickel–silicon plating


• Included components: Cylinder, piston, piston pin, rings, ECU (CDI), exhaust pipe, gasket set


• Part number (kit): P400270100018


• Additional part number: 56-K168.65.KIT

Cross-Reference OEM Part Numbers

• S4F06500003A (Forged piston Ø 64.950 mm)


• S4F06500003B (Forged piston Ø 64.960 mm)

Vehicle Fitments

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  KTM Duke 125: 2010–2015