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Small Engine Repairs

Need small engine repairs in Maryland?

Here is a maintenance list for small engines to reduce the risk of small engine repairs:

  • Replace oil
  • Inspect the air filter (and fuel filter if present). If dirty or clogged, clean or replace as appropriate.
  • Remove and inspect the spark plug.

Reduce small engine repairs with maintenance!


Checking the oil

Small Engine Repairs

Small Engine Repairs for Hot and Cold Water Pressure Washers

Proper oil level is essential for the mechanics in the engine helping to reduce small engine repairs. Inadequate and it also may overheat causing engine parts to seize and fail and costly small engine repairs. Make it a habit to check the oil regularly. An average small engine in reasonably sound condition doesn’t consume lots of oil but checking oil is mandatory. Oil must be checked once the engine is cold or after waiting ten minutes with this particular engine to empty into the oil sump after running the engine. Put the machine on a flat area. If there’s a dipstick – take it off, wipe it obtaining a rag, and reinsert it directed in regards to the information sticker or in regards to the stick itself – usually threaded fully in place and removed to find out. When the level is low, progressively add the new oil to just below the entire mark.  If under 1/4″ roughly below the lip, add new oil. If oil level is high drain enough oil to lower again to the full mark.  Check oil regularly to reduce small engine repairs.

Oil change

Proper oil changes need to be performed at the recommended intervals to reduce small engine repairs.  For small engines, the oil change interval is generally specified by the manufacturer of the machine. More frequent oil changes might be desirable when the items are operated in a very dusty atmosphere. We also suggest an oil change at the end of the season to stop old contaminated oil from sitting in the crankcase over the winter, which may cause small engine repairs.

Troubleshooting Guide for Small Engine Repairs

Instant troubleshooting chart – most typical problems and possible causes for small engine repairs:

Problem: Engine won’t start or is tough to start.

Possible causes for these small engine repairs:

  • Gas tank is empty or shutoff valve is closed, or fuel line or gas tank cap vent is clogged.
  • There’s water within the fuel.
  • Carburetor is completely clogged.
  • Carburetor is incorrectly modified or needs service.
  • Ignition system or its wiring is defective or ignition switch is off, or timing way off (e.g., damaged flywheel key).
  • Cutoff switch is open or defective.
  • Spark plug is fouled, incorrectly gapped, or broken.
  • Engine compression is poor.
  • Operator must read user manual.

Problem: Engine begins easily but dies in seconds.

Possible causes for these small engine repairs:

  • Gas tank is empty or shutoff valve is closed, or fuel line or gas tank cap vent is clogged.
  • Carburetor is completed clogged.
  • Carburetor is incorrectly modified or needs service.

Problem: Engine idles roughly, unevenly, or surges.

Possible causes for these small engine repairs:

  • Carburetor is dirty.
  • Air leak in carburetor or intake manifold (e.g., bad O-ring, gasket, primer).
  • Carburetor is incorrectly modified or needs service.

Problem: Engine misses under load.

Possible causes for these small engine repairs:

  • Spark plug is fouled, incorrectly gapped, or broken.
  • Breaker points are pitted or incorrectly gapped, breaker arm is sluggish, or condenser is harmful.
  • Carburetor needs adjustment or service.
  • Fuel line, fuel filter, or gas tank cap vent is clogged, or fuel shutoff valve partly closed.
  • Valves not modified correctly or valve springs weak.
  • Exhaust ports blocked (2 stroke).

Problem: Engine knocks.

Possible causes for these small engine repairs:

  • Magneto isn’t timed correctly.
  • Carburetor is situated too lean.
  • Engine has overheated.
  • Carbon buildup in combustion chamber.
  • Flywheel is loose.
  • Cylinder is excessively worn.

Problem: Engine vibrates excessively.

Possible causes for these small engine repairs:

  • Engine isn’t mounted safely.
  • Engine or other driven items are unbalanced.
  • Crankshaft is bent.
  • Counterbalance shaft isn’t timed properly.

Problem: Engine lacks energy (possibly after warm-up).

Possible causes for these small engine repairs:

  • Old gas, bad spark plug, very thick/dirty oil.
  • Choke is partly closed.
  • Carburetor needs adjustment or service.
  • Ignition not timed properly.
  • Air filter is clogged.
  • There’s inefficiencies in lube.
  • Valves aren’t sealing correctly.
  • Piston rings aren’t sealing correctly.
  • Mind loose or mind gasket blown or broken.
  • Exhaust ports blocked (2 stroke).

Problem: Engine works every once in awhile, surges, and runs unevenly.

Possible causes for these small engine repairs:

  • Fuel line or gas tank cap vent is clogged.
  • There’s water within the fuel.
  • Fuel pump is defective.
  • Governor isn’t set correctly, adhering, or binding.
  • Carburetor needs adjustment or service.
  • Loose carburetor/intake pipe leading to vacuum leak.

Problem: Engine getting too hot.

Possible causes for these small engine repairs:

  • Magneto isn’t timed correctly.
  • Carburetor set too lean.
  • Air intake or cooling fans are clogged.
  • Shroud or blower housing missing.
  • Excessive load.
  • Inadequate or excessive oil.
  • Improper oil viscosity (4 stroke) or mixture (2 stroke)
  • Valve clearance is simply too small.
  • Excessive carbon buildup in combustion chamber.

Problem: Crankcase breather passing oil.

Possible causes for these small engine repairs:

  • Lots of oil in crankcase.
  • Engine speed is excessive.
  • Oil fill cap or gasket is broken or missing.
  • Breather mechanism is dirty or defective.
  • Piston ring gaps are aligned.
  • Piston rings are worn.

Problem: Engine backfires.

Possible causes for these small engine repairs:

  • Carburetor set too lean.
  • Magneto isn’t timed properly.
  • Valves are adhering.

For Small Engine Repairs in Montgomery County Maryland, contact Sun Brite Supply of Maryland!