YAMAHA YZ 250 [1988-1991] - cast pistons
Description
VERTEX cast piston for the YAMAHA YZ 250
The VERTEX cast piston is designed for the YAMAHA YZ 250 in the entire 1988-1991 model year range. Its technical dimensions support a targeted selection when working on the upper engine area of this 2T version.
Structure and piston design
The piston is made of aluminum and is designed as a cast piston. Piston compression is standard. With the specified diameter and the associated bore diameter, the component can be selected precisely based on the existing engine data.
- Material: aluminum
- Piston Type: Cast
- Piston compression: standard
- Diameter Ø: 67.95 mm
- Letter oversize: B
- Oversize: +0.01
- Bore diameter: 68.00 mm
- Stroke: 2T
Vehicle assignment
The VERTEX cast piston fits the YAMAHA YZ 250, built between 1988 and 1991. The assignment applies to this model and year of manufacture.
Technical selection
The diameter of 67.95 mm, the bore diameter of 68.00 mm and the marking B and oversize +0.01 are particularly important for the selection. In this way, the relevant piston dimensions can be compared with the intended engine dimensions.