YAMAHA YZ 250 [1988-1998] - cast pistons

PROX cast piston for YAMAHA YZ 250 from 1988 to 1998

The PROX cast piston is assigned to the YAMAHA YZ 250 from the entire model year range 1988 to 1998. It serves as a replacement component for the engine and combines a cast design with clearly defined dimensions for selecting the right piston.

Design and technical data

• Material: aluminum
• Piston Type: Cast
• Piston compression: standard
• Diameter Ø: 67.96 mm
• Letter oversize: C
• Oversize: +0.02
• Stroke: 2T
• Specificity: Domed piston / Reed cutout / MoS2 coating

The marking C and the dimension of 67.96 mm support the targeted assignment when selecting a replacement piston. The standard compression describes the intended design within the stated technical specification. The curved piston, the reed cutout and the MoS2 coating are summarized as specific features of this version.

Vehicle assignment

The cast piston is assigned to the YAMAHA YZ 250 built between 1988 and 1998 inclusive. The vehicle, the complete year of manufacture as well as the specified piston dimensions and oversize marking must be taken into account when making the selection.

Appropriate selection

Before ordering, compare the existing piston version with the technical data of this PROX cast piston. The decisive factors are the diameter Ø of 67.96 mm, the oversize +0.02, the letter C and the version for 2T.