YAMAHA YZ 250 [1988-1998] - cast pistons

PROX cast piston for YAMAHA YZ 250 from 1988 to 1998

The PROX cast piston is designed as a suitable engine component for the YAMAHA YZ 250 in the entire model year range 1988-1998. Its design supports targeted selection based on piston type, diameter and oversize.

Design and technical data

• Material: aluminum
• Piston Type: Cast
• Piston compression: standard
• Diameter Ø: 68.50 mm
• Letter oversize: 050
• Oversize: +0.05
• Stroke: 2T

The diameter of 68.50 mm and the stated oversize of +0.05 make it easier to match the technical requirements of the respective engine. The oversize letter 050 serves as an additional selection feature. The standard piston compression and the “2T” marking complete the key technical data of this cast aluminum piston.

Vehicle assignment

The cast piston is assigned to the YAMAHA YZ 250 for the years 1988-1998. When selecting parts, the vehicle model, year of manufacture, diameter Ø and the specified oversize should be compared.

Factual information

Matching accessories include replacement piston rings, a replacement piston pin, replacement clips and a needle bearing cage. The piston is selected based on the technical data mentioned and the vehicle assignment.