Echo SRM - 225U manual Engine Problem Troubleshooting Chart

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Troubleshooting

ENGINE PROBLEM TROUBLESHOOTING CHART

Problem	Check	Status	Cause	Remedy
	Fuel at carburetor	No fuel at carburetor	Fuel strainer clogged	Clean or replace
			Fuel line clogged	Clean or replace
			Carburetor	See your Echo dealer
	Fuel at cylinder	No fuel at cylinder	Carburetor	See your Echo dealer
Engine		Muffler wet with fuel	Fuel Mixture too rich	Open choke
				Clean/replace air filter
cranks -				Adjust carburetor
starts hard/				See your Echo dealer
doesn't
	Spark at end	No spark	Stop switch off	Turn switch to ON
start
	of plug wire		Electrical problem	See your Echo dealer
			Interlock switch	See your Echo dealer
	Spark at plug	No spark	Spark gap incorrect	Adjust to .65mm (0.026 in.)
			Covered with carbon	Clean or replace
			Fouled with fuel	Clean or replace
			Plug defective	Replace plug
	Air filter	Air filter dirty	Normal wear	Clean or replace
	Fuel filter	Fuel filter dirty	Contaminants/residues in	Replace
			fuel
Engine runs,	Fuel vent	Fuel vent plugged	Contaminants/residues in	Clean or replace
			fuel
but dies or
	Spark Plug	Plug dirty/worn	Normal wear	Clean and adjust or replace
does not
accelerate
	Carburetor	Improper adjustment	Vibration	Adjust
properly
	Cooling System	Cooling system	Extended operation in	Clean
		dirty/plugged	dirty/dusty locations
	Spark Arrestor	Spark arrestor	Normal wear	Replace
	Screen	screen plugged
Engine does	N/A	N/A	Internal engine problem	See your Echo dealer
not crank

DANGER

Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by ground- ing spark plug near cylinder plug hole, otherwise serious personal injury may result.