Restorob:

Thank you for the kind offer.

My engine seems to run fine except it seems to bog down when going
uphill with the mower blades engaged or in thick grass mowing areas.
It sounds like it is begging for more fuel or air. I have installed
new air and fuel filters. Basically I need to know where the air/fuel
adjustments are located and the basic settings for each, so I can see
if that is the problem. The engine is not very old and has few hours
on it.