Riding Mower Cranks But Wont Turn Over

Websep 15, 2010 · when your lawn mower engine turns over easily, but won't start, you will have to troubleshoot the cause of the problem. Small engines rely on three key. The problem may be a partially restricted carburetor. As gas gets old, it turns to varnish and clogs up the passageways inside the carburetor, not allowing enough gas to.