Have replace both main belts,lower drive belt that goes to front pulley under motor and always back too rear tires.. also replace small belt on top rear tires,it moved a little bit and stop.. u can push the gas pedal down it feels really soft but does not move.any info would be great ,thank u... its a 2005 troy bilt.model #13at609g766

Hi,
I post a picture of the drive. Something is not routed correctly. One thing to note is that the item #75 pulley goes on the rear belt.
Peace,
Clarke