25-30HP Yamaha 2cylinder 2 stroke usually 1994-2004
25B 25V 30G 30H series
Kit includes
i) Piston kit X2 with pins clips rings ( STD )
pistons 61N-11631-00-95 : STD,
rings 61N-11603-00 : STD
pins 689-11633-00 clips 688-11634-00