Lawnmower problem..

Your question is bit general! rather like saying the "The thread pulled out'" without giving any other info about the type of material, the type of thread, whether it's hand or machine sewn etc,. etc.? You mention that it is a new mower. Got the instructions? Assuming it s a Briggs and Stratton or similar four (4) stroke. Did you check the oil in the sump using the screw in dipstick and/or how much oil did you put in the crankcase? It sometimes hard to read the oil level accurately on those screw in dip-sticks. Assuming it is some form of two stroke, did you mix the fuel and oil in approximately 40 to 1 proportions (or as specified in the instructions)? Post some more details and helpful people here may be able to help. BTW if you have followed the instructions for operation fully and correctly and it failed, not due to anything you have neglected, it may be under warranty? Although the fact that you had to assemble it sort of suggests that it might have been shipped 'dry' and require a) proper assembly and b) The addition of engine oil (just like any car). Good luck and post again. Terry.

Return it to the place of purchase. Des

Did you put oil in, if you didnt you have no warranty. Turn it over and try to force the blade to move , put oil in and return it. If you cant get it to move and it had no oil you will be paying for a new one. If it had oil remove the plug and see if it locked from flooding.

Did you release the motor brake? (released to start, engaged to stop)

Did you forget to put oil in it? (filled to run, empty to stop)

This may sound like a dumb question,bud did you put the 20 ounce bottle of oil in the mower? Sounds like the motor is seised up.

Or did you hit a rock or anything like that? You might have bent the shaft. If that's the case, you're probably better off just buying a new mower. The repair would be just as expensive.