i just bought a motor. its kind of dark green has gas tank up on top of motor with crank rope in middle. i found 2 tags on it and have run a the number on here but cany find pic of this motor. the block tag is T-639-11 then the one underneath it is 6509275. the upper shaft by bottom of motor numbers are 217-59440 and 162204. does anyone know what this motor is? google says its a 7.5hp motor. its a single cylinder with neutral and drive selector and twist throttle. can anyone help me?