Yamaha YZ 80 [1988-1992] - Wössner forged pistons

Forged aluminum piston for the two-stroke engine

The Wössner forged piston is intended for the Yamaha YZ 80 built between 1988 and 1992. Its technical dimensions define a version with a 48.95 mm piston diameter for a bore diameter of 49.00 mm. The oversize is +1.00.

Technical execution

• Material: aluminum
• Piston type: forged
• Piston diameter: 48.95mm
• Bore diameter: 49.00 mm
• Oversize: +1.00
• Number of rings: 1
• Engine stroke: 2T
• Version: with intake window

The forged construction and the aluminum used describe the basic construction of the piston. The existing intake window is an application-specific feature of this variant. The design for an individual piston ring must also be taken into account when selecting the associated components.

Vehicle assignment

The forged piston is exclusively assigned to the Yamaha YZ 80 listed here from the complete model range 1988 to 1992.

Notes on size selection

When making the selection, piston diameter, bore diameter and oversize must be considered together. The piston diameter of 48.95 mm must not be equated with the specified bore diameter of 49.00 mm. Before installation, the existing cylinder, its actual dimensions and the required oversize should be professionally checked.

The indication 2T indicates the design for a two-stroke engine. The intake window and the number of rings of 1 must also be taken into account when checking the intended piston configuration.