BrandonDT50U

does anyone know where i can find a piston kit for a 1988 yamaha dt50u liquid cooled enduro bike??? I cant find one anywhere. also does anyone know if a bigger engine will bolt up to the frame of this bike, say a yz 80 engine or something??? Thanks guys!!!

I have a 1988 Yamaha DT 50U. Do you guys know of anywhere i can find a piston kit or gasket kit for this liquid cooled hard to find parts for motorcycle???? Also do you know of any other engine that would fit the frame of this bike, say a yz 80 engine or something??????