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Question by  helper09 (108)

What would cause the engine to lock up on a riding lawn mower?


Answer by  mooman2679 (1018)

When you say the engine is locking up, do you mean that it will just stop moving for you? You should have your transmission checked, as this can sometimes cause what it seems you are saying.


Answer by  babyhueyk (96)

First check oil. The carburetor float may be leaking gas into the cylinder. Again check the oil to see if its overfull or smells like gas. May have a broken rod. May have a broken valve.


Answer by  MrMower (5)

One of the most common causes is to much or too little oil. You should make sure all the parts are working, as these can also cause engine seizures.


Answer by  heatherbooboo (655)

The blade may be jammed up with something. Check that first then check to see if the spark plugs are in good working order and are still firing. Make sure the oil is at the correct levels also.


Answer by  oddflash (902)

There can be many different causes. Overheating, running without oil or to little oil, a broken piston rod, a cracked or broken piston and broken rings are just a few.


Answer by  DesertRat (699)

Did you forget to put oil in it? That's the major cause of engine seizures. If it's not frozen, just dying, you might check to make sure the air intake isn't fouled with grass clippings.


Answer by  worker5560 (37)

There may be several causes namely: lack of oil, too much compression in the muffler, or it may be the blades which got engaged overturning the mower


Answer by  Jonetra (66)

One of the most common reasons would be running the engine with little or no engine oil. Also, check to make sure a blade is not severely bent.

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