26
WARNING
DANGER
Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by grounding
spark plug against cylinder, otherwise serious personal injury may result.
T
ROUBLESHOOTING
Problem
Engine -- starts hard
Engine -- does not start
C ause
R emedy
Engine
C ranks
Fuel at
carburetor
No fuel at
carburetor
Fuel strainer clogged
Fuel line clogged
C arburetor
C lean
C lean
See your EC HO dealer
Fuel at
cylinder
No fuel at
cylinder
C arburetor
See your EC HO dealer
Muffler wet
with fuel
Fuel Mixture is too rich
Open choke
C lean/replace air filter
Adjust carburetor
See your EC HO dealer
Spark at end
of plug wire
No spark
at end of
plug wire
Stop switch off
Electrical problem
Interlock switch
Turn switch on
See your EC HO dealer
See your EC HO dealer
Spark at plug
No spark
at plug
Spark gap incorrect
C overed with carbon
Fouled with fuel
Spark plug defective
Adjust 0.65mm (0.026in.)
C lean or replace
C lean or replace
Replace plug
Engine
does not
crank
Internal engine problem
See your EC HO dealer
Engine
runs
Dies or accelerates poorly
Air filter dirty
Fuel filter dirty
Fuel vent plugged
Spark plug
C arburetor
C ooling system plugged
Spark arrestor screen
plugged
C lean or replace
Replace
Replace
C lean and adjust/replace
Adjust
C lean
C lean
