Lawn mower runs good but I have noticed that the blades don't seem to be engaging prperly. Started the year with new deck belt was cutting fine until recently. Acts like it does not have any pwer or not completing engaging blades. Thanks

Hi,
Check the place where the arm that has the idler that engages the blades(tensions the belt) pivots. I would bet that you will fing a rusty shoulder bushig that needs cleaning. Common problem and solution on those machines.
Note: washing deck is not advised as it causes the above problem as well as bearing problems.
Peace,
Clarke