WISECO offers you a high-quality Pro-Lite Series piston kit , designed to deliver optimum power and exceptional engine responsiveness . Manufactured from lightweight forged aluminum using precision processes , this piston ensures high resistance to heat, high pressure and wear , guaranteeing enhanced durability and reliability . Its advanced design optimizes compression and combustion, reduces internal friction and improves overall engine power , while ensuring stable , consistent operation even under the most demandingdriving conditions .

Fits on :

YAMAHA YZ 250 1987

YAMAHA YZ 250 1987

YAMAHA YZ 250 1986

YAMAHA YZ 250 1985

YAMAHA YZ 250 1984

YAMAHA YZ 250 1983