Why does my Craftsman mower run perfectly for 15 minutes?

Why does my Craftsman mower run perfectly for 15 minutes?

My 2 year old Craftsman rider starts right up and runs and cuts perfectly for around 15 minutes then slowly starts to lose power until engine dies and will not start back up. An hour or two later the engine will start back up and the same scenario happens The mower is a T100 Crafysman with a 420cc overhead valve engine.

Why does my outboard start and run for 1 minute then dies?

Not open for further replies. My outboard did not start and did not have any spark/sometimes intermittent spark. So on a hunch i decided to replace power pack (used) and sure enough that fixed the problem. Now it starts, however, it only stays for about 1 minute then shuts off.

Why does my lawn mower stop running after a few minutes?

Damaged or worn spark plugs typically make starting a mower difficult, or make it run rough. Some spark plug problems can show up after the mower runs for several minutes. Remove the plug and inspect it.

My 2 year old Craftsman rider starts right up and runs and cuts perfectly for around 15 minutes then slowly starts to lose power until engine dies and will not start back up. An hour or two later the engine will start back up and the same scenario happens The mower is a T100 Crafysman with a 420cc overhead valve engine.

What causes a small engine to run too slow?

Cranking speed too slow to start. Spark plug loose. Low or no compression. Spark plug gap incorrect. Engine not properly warmed up. Running out of fuel. Low idle set too low (Below 1000 RPM). Low idle fuel setting too lean. Electric clutch dragging. Parasitic load on PTO shafts. Crankshaft end play zeroed drive. Water contaminated fuel.

What’s the best way to start a small engine?

Pull starter rope to set engine on compression. Return starter rope, then give a full, steady pull. When engine starts, move the control lever to the desired setting. Jack’s Safety Tips: Before servicing or repairing any power equipment, disconnect the spark plug and battery cables.

How to troubleshoot a small engine at home?

When engine starts, return choke to full open immediately. Position throttle control to desired setting.. Move throttle/choke lever to choke position. Pull starter rope to set engine on compression. Return starter rope, then give a full, steady pull. When engine starts, move the control lever to the desired setting.