Piston kits fits all 125RR & 200RR from 2018 ->>
"A" Std size piston
Included are Piston, needle bearing (LEB), spark plug, head washers, head O'rings, power valve gaskets, and a 0.4mm base gasket.
All that you need to change a piston.
PLEASE LEAVE IN COMMENTS THE YEAR AND MODEL OF YOUR BIKE.