GAS GAS MC 125 2021, Руководство пользователя

Страница: 112 / 131

19 TROUBLESHOOTING
110
Faults Possible cause Action
Engine turns but does not start Operating error
–
Carry out start procedure. ( p. 25)
The motorcycle has been in disuse
for an extended period and old
fuel is in the float chamber
–
Empty the carburetor float chamber.
(
p. 102)
Fuel feed interrupted
–
Check the fuel tank breather.
–
Clean the fuel tap.
–
Check/set the carburetor components.
Spark plug oily or wet
–
Clean and dry the spark plug, or change it
if necessary.
Plug gap of spark plug too wide
–
Adjust plug gap.
Guideline
Spark plug electrode gap
0.60 mm (0.0236 in)
Fault in ignition system
–
Check the ignition system.
Short-circuit cable in wiring har-
ness frayed, stop button faulty
–
Check the stop button.
The connector or ignition coil is
loose or oxidized
–
Clean the connector and treat it with con-
tact spray.
Water in carburetor or jets
blocked
–
Check/set the carburetor components.
Engine has no idle speed Idling jet blocked
–
Check/set the carburetor components.
Adjusting screws on carburetor
distorted
–
Carburetor - adjust the idle speed.
(
p. 99)
Spark plug defective
–
Change the spark plug.
Ignition system defective
–
Check the ignition coil.
–
Check the spark plug connector.
Engine does not speed up Carburetor running over because
float needle dirty or worn
–
Check/set the carburetor components.
Loose carburetor jets
–
Check/set the carburetor components.
Fault in ignition system
–
Check the ignition system.
Engine has too little power Fuel feed interrupted
–
Check the fuel tank breather.
–
Clean the fuel tap.
–
Check/set the carburetor components.
Air filter very dirty
–
Clean the air filter and air filter box.
(
p. 56)
Exhaust system leaky, deformed
or too little glass fiber yarn filling
in main silencer
–
Check exhaust system for damage.
–
Change the glass fiber yarn filling in the
main silencer.
( p. 58)
Fault in ignition system
–
Check the ignition system.
Diaphragm or reed valve housing
damaged
–
Check the diaphragm and reed valve hous-
ing.
Engine stalls or is popping into the
carburetor Lack of fuel
–
Turn the knurled screw on the fuel tap all
the way counterclockwise.
–
Refuel. ( p. 28)
Engine takes in bad air
–
Check the intake flange and carburetor for
tightness.
The connector or ignition coil is
loose or oxidized
–
Clean the connector and treat it with con-
tact spray.