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JohnF2015, Small Engine Technician
Category: Small Engine
Satisfied Customers: 1110
Experience:  Owner/Service Technician at S & J Small Engines
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26 HP Courage on a Craftsman Garden tractor. Running on # 1

Customer Question

26 HP Courage on a Craftsman Garden tractor. Running on # ***** Cylinder only.
Hit a buried fence post while mowing. Stalled got off the fence post and restarted only on #1 cylinder.
Good spark both cylinders
Good compression both sides
Pulled Fly wheel to chk keyway and key ok
Rockers are going up and down
What's next?
Submitted: 1 year ago.
Category: Small Engine
Expert:  JohnF2015 replied 1 year ago.

Hi, my name is***** will be assisting you.

What is the compression on both sides?

Customer: replied 1 year ago.
Hi John,
I seem to have misplaced the key for the flywheel and I did not check compression other than to stick my finger over the spark plug holes and crank the engine before removal. Both sides with the finger compression check popped my finger from the hole well. As soon as I can get a key I will check compression and get back with you. An oops on my part.
Expert:  JohnF2015 replied 1 year ago.

Did you look at the push rods to see if one may be bent? It is not likely but worth a look.

Was the machine running okay prior to hitting the post?

Customer: replied 1 year ago.
Have not pulled push rods yet but when I pulled the valve rockers there was no slop while cranking and yes it was running up to par before the post episode.
Customer: replied 1 year ago.
confusing...pulled the valve cover for the rockers
Expert:  JohnF2015 replied 1 year ago.

As it sounds there is really nothing to tie the running problem with the hitting of the post. You might try running the engine and spraying around the intake manifold where the carburetor attaches to it and where it attaches to the head and see if you notice any difference in the running.