Filter
Top Products
9-1
STARTING FAILURE/HARD STARTING
TRBL
SHTG
NOTE:
EB90000
TROUBLESHOOTING
The following troubleshooting does not cover all the possible causes of trouble. It should be helpful,
however, as a guide to troubleshooting. Refer to the relative procedure in this manual for inspection,
adjustment and replacement of parts.
YP90000
STARTING FAILURE/HARD STARTING
FUEL SYSTEM
Fuel tank
S Empty
S Clogged fuel tank cap breather hole
S Deteriorated fuel or fuel containing water or
foreign material
Fuel pump
S Clogged fuel hose
S Clogged fuel pump
S Broken vacuum hose or improperly hose set-
ting
Carburetor
S Deteriorated fuel or fuel containing water or
foreign material
S Clogged pilot jet
S Clogged air passage
S Improperly set pilot air screw
S Clogged pilot air passage
S Improperly sealed valve seat
S Improperly adjusted fuel level
S Clogged starter jet
S Clogged emulsion (heated water) tube
S Sucked-in air
Auto choke
S Starter plunger malfunction
S Wax malfunction
S P.T.C. thermister malfunction
S Ignitor unit malfunction
S Thermo switch malfunction
Air cleaner
S Clogged air cleaner element
S Improper air cleaner setting
COMPRESSION SYSTEM
Cylinder and cylinder head
S Loose spark plug
S Loose cylinder head
S Broken cylilnder head gasket
S Broken cylinder gasket
S Worn, damaged or seized cylinder
Piston and piston ring
S Worn piston
S Worn, fatigued or broken piston ring
S Seized piston ring
S Seized or damaged piston
Valve system
S Improperly adjusted valve clearance
S Improperly sealed valve
S Improperly contacted valve and valve seat
S Improper valve timing
S Broken valve spring
S Seized valve