front sprocket trouble

I just bought an 04 FZ6S. 21k miles. I had $1200 worth of work done but I think there's still a problem. There is serious play in the front sprocket. When on the center stand, in first gear, when I move the rear tire back and fourth, there's a ton of play. In fact, I can feel the play when I...

I'm replacing the chain and sprockets on my 04 fazer, and i can't get the front sprocket off. Is it reverse threaded? I've had people sit on it with the wheel on the ground and holding the brake, and i can't budge it with a 4 foot breaker bar. And does anyone know the torque settings for the...