Craftsman Mower with Briggs & Stratton Gold OHV 140cc engine Mower model (Craftsman #) is 247.370100 Briggs & Stratton Engine Model is 90P702 0007 F1 Started on first pull on cold mower. Ran well for apprx 10 minutes; then stopped running. No sputter like out of fuel. Just ran then stopped. Could not restart while warm. Was able to restart after 90 minutes. Thanks for your ideas.