LOWER BEARING IN STEERING FORK

Question

I HAVE A CHINESE MADE GAS POWERED SCOOTER AND THE LOWER BEARING IN THE STEERING FORK NEEDS TO BE REPLACED.THE ONLY THING IT HAS ON IT IS CITY RIDER.I NEED TO FIND OUT HOW TO REMOVE THE STEERING FORK FROM THE STEERING TUBE.IF I COULD HAVE A EXPLODED VIEW OF THE STEERING ASSEMBLY THAT WOULD REALLY HELP.