You have undoubtedly done this before, but getting the front sprocket cover off reminds me of removing an airbox or solving a Chinese puzzle. The two screws are simple but wiggling, twisting, tugging and rotating that cover can be lots of fun.
Getting the old chain off will be easy if it has a master link. If not, you may need to grind off the end of one of the link's shafts (with a die grinder).. then drive it through. I'm told you can do this on the rear sprocket (drive the pin through) - I've not done that and as long as that sprocket is going bye bye, it matters little if you're risking bending it. A nice small drift pin works well. While on the subject, how long is your new chain? 102? If it is more than the one you currently have, you may need to shorten and go through the same drill (I mean drift) as above removing links to shorten it enough. I've done this on my workbench with wood, my vice, die grinder, hammer and drift pin. I remember it not being fun and I'm waiting for someone on here to tell me some magical trick that's better than my method
The front sprocket is 2 bolts, then rotate the retainer until it lines up with the splines on the output shaft.. then slide it off - then off comes the sprocket.
The rear is easy (after the rear wheel is off). If you or PO's haven't changed the rear sprocket before, your tangs on the rear retainer/washer/tongue thing will be in good shape. I've not broken any yet but only bend them as far as you need to to get the nuts off - no point in shortening their lives.
If you're changing types, like 530 to 630 or vice versa... now we're into a whole 'nuther kettle of fish.
John
