'74 Triumph sprocket cover plate

I'm digging ino the transmission on my '74 Daytona to replace the layshaft bearings. The sprocket cover plate behind the clutch appears to have been glued in by a previous owner/mechanic. What is the best way to get it out with out breaking anything or setting fire to the bike ?

On a semi related note, the thrust washer behind the clutch bearings has the inside diameter is worn oval. Clearly that is a problem, are there other problems that I should be looking for ? How did the PO get it out of place so badly ?

Thanks

Greg

Remove the 6 screws and tap it out from the sprocket side.

It's a precision fit.

Pretty obvious once you mention it. Some how I expected unit construction to be put together like a Honda or a Bultaco. Looking underneath, I see that is not the case...

Thanks

Greg