Troubleshooting - Honda BF25A Owner's Manual

13. TROUBLESHOOTING
(1) Engine does not start.
Fuel
l
Fuel is not fed
to carburetor.
I
There is no gasoline
in fuel tank.
Vent knob is not open or
vent clogged.
Fuel filter is clogged.
Fuel line is kinked.
- Fuel line is connected
improperly.
Fuel pump is faulty.
L
Primer bulb is faulty.
Check valve in connector
is faulty
l Fue1isfedto -L fKzK~g~~t
carburetor.
clogged.
Electrical
l
Sparks across -
sparkplug iw
- Insufficient - Spark plug gap is small.
sparks
Weak starter motor
rotation. (Electric starter
type)
-Normal -
Recheck the fuel system.
sparks
l
No sparks -
across spark
Plug isap
.
Spark plug
is faulty.
Tc
Contamination
Incorrect gap
L- Broken spark plug
,
E
Pulser coil is faulty.
Current leaks from
high tension cord.
C.D.I. unit is faulty.
- Exciter coil is faulty.
Ignition coil is faulty.
-Wire harness is faulty.
- Current leaks from engine stop
switch cord.
- Stop switch does not return
satisfactorily.
- Spark plug is improperly installed.
- Emergency stop switch is improperly
installed.
Shift lever is not in N position.
95