UMK425T
When the engine will not start:
Q:Is the spark plug in good condition?
 
						
						Clean, readjust gap and dry the spark plug. Replace it if necessary.
Take trimmer to your servicing dealer.
YES
						NO
					
				Q:Is the spark plug in good condition?
 
						
						Clean, readjust gap and dry the spark plug. Replace it if necessary.
Take trimmer to your servicing dealer.