help to idenify my motor

[avidboater]

i have what i thought was 1989 25 hp johnson outboard. Need to get a flywheel key and few other odds and ends for the motor. ran the model and serial number on it and can only find the 1968 20 hp diagrams that match mine. the model number is fd22m, the serial number is j2896045

[boats.net]

That model number is a 1968 20hp Johnson