Last week in our blog we listed some common problems you may find with your lawn equipment after winter storage. Those were some of the problems you may encounter, but not all. Here are some other issues you may have when taking your small engines out of winter storage:
1. Engine knocks.
Potential causes:
- Magneto does not supply current at the right time.
- Carburetor is set too lean.
- Engine is overheated.
- There is carbon buildup in the combustion chamber.
- Flywheel is loose.
- Connecting rod is loose, possibly worn.
- Cylinder is worn.
Potential causes:
- Magneto does not supply current at the right time.
- Carburetor set too lean.
- Air intake is are clogged.
- Missing shroud or blower housing.
- Too much load.
- Not enough or too much oil.
- Wrong type of oil.
- Valve clearance is too small.
- Too much carbon buildup in combustion chamber.
Potential causes:
- Carburetor set too lean.
- Magneto does not supply current at the right time.
- Valves are sticking.
If your problems are not listed here, or you can’t fix your lawn equipment, contact J&J Small Engine Clinic, we can help.









