Craftsman 21hp, starter engages but will not turn over engine, take out the spark plug and it will roll oer?

SOURCE: craftsman lawn tractor wont start

your fuel filter could be plugged

SOURCE: Intek engine runs poorly under load and when warm

if you have a ohv ajust valves and you might have to rebuild carb.

Bill Linda Rivard

• 197 Answers
• Posted on Nov 18, 2009

SOURCE: I have a briggs and strattan 18 horsepower engine

Set intake valves @ .004 and exhuats @ .006 with piston a 1/4 inch downstroke from TDC.It sounds like the ACR {automatic compression release}is not working do to valves having to much lash.

SOURCE: I have a 15.5 hp ohv briggs n stratton on a

Hi,
There is a switch underneath the seat that will shut the engine down if the mower is engaged and you are not on the seat...that switch is bad and it thinks you are not on the seat so it shuts you down...

heatman101

mickey813

• 472 Answers
• Posted on Sep 08, 2010

SOURCE: I have a craftsman lt1000 model 917272761 motor

sounds like a push rod came off in the engine