Step 2: Remove gearbox adjusters and bolts.
Step 3: Analyze the situation and try not to cry.
Step 4: Accept you will still be disassembling half the motorcycle.
Step 5. Remove the right side gearbox/motor mount.
Step 6: Gently lift the gearbox out and throw it across the garage.
Step 7: Call it a day and go have a drink.