KTM 300 EXC SIX Days [2026] - cast pistons

VERTEX cast piston for KTM 300 EXC SIX Days 2026

The VERTEX cast piston is designed for the KTM 300 EXC SIX Days from 2026. As a component for the upper engine area, it combines a cast design with the specified dimensions and standard piston compression. The version is specified for 2T engines and has two piston rings.

Function and execution

The piston works in conjunction with the cylinder bore and the piston rings in the engine. The diameter Ø is 71.955 mm, while the specified bore diameter is 72 mm. The letter size of the oversized version is D; the oversize measurement is +0.03.

Technical data

• Brand: VERTEX
• Piston Type: Cast
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 71.955 mm
• Letter oversize: D
• Oversize: +0.03
• Bore diameter: 72mm
• Piston rings: 2
• Engine: 2T

Vehicle assignment

The VERTEX cast piston fits the KTM 300 EXC SIX Days, built in 2026.

VERTEX specializes in the production of engine components for off-road machines. The manufacturer's pistons are recognized for performance and mileage and are used by numerous motorcycle manufacturers as original equipment manufacturers.