Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Do you have the full model number? Is the transmission top pulley turning? Did you have either of the rear wheels off?
By drive picture above, the mower has two drive belts. Were both replaced? Was the variable pulley turning , the one that connects the two belts? How did problem begin? Will mower roll in neutral?
Look up under the fender to see the top drive pulley and see if it turns when you try to drive. If the pulley is turning, problem is at the pulley, may be loose on the shaft, or the transmission has internal problem.
Main drive belt is turning from engine? But nothing after the variable pulley?
?? With engine off, are the belts tight?
In the parts link I sent is # 52 spring, it is the tensioner. Is it there.??
Is the spring there?
Watch this video and see if yours is correct.