Small Engines (Lawn Mowers, etc.): Riding mower hard to start, jumper cables, code numbers

Question
I have a riding mower and it will not start on its own. if i use a set of jumper cables and hold on starter until it smokes it will finally start.. it has a new battery and starter.

Answer
 Hello David:

 Until What Smokes? Send me the Make and Model Numbers Off the Mower and the Make, Model, Type and Code Numbers Off the Engine, Please. With these, I can Locate a Breakdown/IPL of the Mower and the Engine and Better Assist you. Thanks.

 Respectfully

 John