I have a EZ HOE 2cycle cultivator tiller the Tiller tine not engaging worm gear can't Find a place to get parts.

SOURCE: Craftsman tiller engine dies when I try to engage tines

tilt the back of the tiller up and check for a rock or stick wedged in between the tines and the shield

SOURCE: Tiller goes For./Rev. but wont drive forward with tines engaged

check the sher bolt on the tine to drive shaft. ill need model and ser number off the unit before i can go further with helping you thy changed them around a lot

SOURCE: I have a Scotts TurfMaster Gear Drive

Your worm shaft or tine shaft and gear assembly are probably shot. Welcome to the club. Long live American manufacturing.

SOURCE: mtd rear tines tiller won't engage tines. F and R

I had similar problem recently with 2007 Huskee MTD series 410. The shift assembly bent and couldn't move the clutch collar all the way over on the drive shaft.

SOURCE: My Poulan Pro Tiller starts

It may be the drive belt is slipping, depending on the model number of course. What is the model number?