YAMAHA YZ 250 [1988-1991] - forged pistons

WISECO forged pistons for YAMAHA YZ 250 from 1988 to 1991

The WISECO forged piston is designed as a piston for the YAMAHA YZ 250 in the entire 1988-1991 model year range. The vehicle assignment supports the targeted selection of a suitable piston for this model and this period.

Design and technical data

• Manufacturer: WISECO
• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 69.00 mm
• Letter oversize: 100
• Oversize: +1.00
• Stroke: 2T

Vehicle assignment

The forged piston is assigned to the YAMAHA YZ 250 from the years 1988 to 1991. Before choosing, check in particular the diameter, oversize and the required standard piston compression based on the technical requirements of your engine.

Selection according to size and design

With a diameter of 69.00 mm and the specified oversize of +1.00, this piston is suitable for selection according to the dimensions mentioned. The forged aluminum design and the marking “Letter oversize: 100” enable clear assignment within the specified technical data. The entry “Stroke: 2T” describes the transmitted design of the piston.