Yamaha EF2400iS Service Manual page 96

ENGINE STARTS BUT STALLS
Check fuel level.
SUFFI- INSUFFI-
CIENT CIENT
Check if fuel cock is
clogged.
GOOD NO GOOD
Check if fuel hose is
clogged.
GOOD NO GOOD
9 Check
if carburetor
retaining nuts are
loose.
9 Check if there is air
suction due to a dam-
aged carburetor joint or
gasket.
GOOD NO GOOD
Measure valve clear-
ance.
OUT OF
GOOD
SPECIFICATION
Check compression
using compression
gauge.
OUT OF
GOOD
SPECIFICATION
Check air gap.
GOOD NO GOOD
Check the condition of the throttle control sys-
tem. Refer to "THROTTLE CONTROL SYS-
TEM".
Check piston, piston ring and cylinder.
GOOD
6-3
TRBL
ENGINE
NO GOOD
Add.
Clean.
Clean.
9 Tighten the
carburetor
bolts
securely.
9 R e p l a c e
carburetor
joint or gas-
ket with a
new one.
Adjust.
Replace.
Replace.