Yamaha 700 701 Top End Rebuild Kit Pistons Superjet 62t 61x Blaster

THIS KIT WILL FIT ALL YAMAHA 701 ENGINES. THESE ARE. 25MM OVER SIZE PISTONS THAT WILL NEED TO BE BORED TO MATCH YOUR CYLINDER BY A PROFESSIONAL. The piston walls are treated with a nonabrasive coating which reduces heat and friction for added horsepower and greatly extends piston life.