One thing I have always wondered is how do you get the blade boss off a powertorque motor so I can take the flywheel off?
I agree with mowerman on the removal if you don't want to take the engine off but if the engine is off you can rest the boss on an anvil and the belt the crap out of it until it comes off (same procedure as two hammers but have more control). Usually no damage to the flywheel.
Hope that this helps.
