Here's another link with parts diagram...
1986 Honda CMX250C A LEFT CRANKCASE COVER | Ron Ayers
Sorry, cant help you with the PDF... i had to go out and buy a manual, couldnt find one for download.
Just to add a little more to the conversation:
Completed the starter clutch rebuild last night. Not too terribly complicated but a couple of key things worth noting.
I didn't have either the flywheel holder or 'rotor puller' as they call it. I assumed I would be able to put the bike in gear and have my girlfriend hold the rear brake while I loosen the Flywheel bolt, but not so much.
Not sure if the clutch on her bike is just weak, or if the clutch on the 250 just cant really hold that much power, but the clutch just slipped when I tried this. I wound up just using a pneumatic impact to remove it, piece of cake... When time to bolt it back and torque it down I used a large rubber strap wrench around the flywheel to hold it and had my girlfriend pull the Tq wrench till it clicked. Kind of a pain, but it worked.
On the flywheel removal... It appears as though if you had the proper size bolt you could just thread it into the flywheel and push it off of the crankshaft. Unfortunately however I didnt have an assortment of large bolts to play with, so I rented one of the 3 pronged jaw pullers from Auto Zone. I put the flywheel bolt back into the crankshaft and threaded it down with just about a 1/8" gap, then used the bolt head for the jaw puller to press against. This worked for removing the flywheel but I was amazed at how much pressure it took to break it loose.
When I got things tore down I was quite surprised at what I had found... the springs were badly worn as I had expected, after all the bike is nearly 30 years old. BUT... one of the spring caps had actually had the cap end break off... so the spring itself was protruding through the cap and pushing on the roller... needless to say this roller wasn't engaging properly....
Anyway... just a little more info for what its worth...