KTM FREERIDE 250 R [2014-2017] - Cast pistons

PROX cast piston for KTM FREERIDE 250 R

The PROX cast piston is assigned to the KTM FREERIDE 250 R from the entire 2014-2017 model year range. Its design combines a cast aluminum piston with a carefully developed special alloy that reduces friction and is therefore designed for reliable operation.

Technical execution

• Material: aluminum
• Piston type: cast
• Piston compression: standard
• Diameter Ø: 66.36 mm
• Letter oversize: C
• Oversize: +0.02
• Stroke: 2T
• Specificity: domed flask
• MoS2 coating on the apron

Selection and vehicle assignment

The technical characteristics support the targeted selection of the intended motor: The diameter is 66.36 mm, the oversize is given as +0.02 and assigned to the letter C. The standard compression and the “2T” marking supplement the relevant selection data.

The curved piston and the MoS2 coating of the skirt characterize the specific design of this component. The coating is part of the piston skirt and is part of the technical design of the PROX cast piston.

Suitable vehicle

The piston is intended for the KTM FREERIDE 250 R, built between 2014 and 2017. Before making your selection, please compare the diameter, oversize and piston compression with the technical requirements of your engine.