Yamaha tdm850 1996 Manuale
9-1
STARTING FAILURE/HARD STARTING
TRBL
SHTG
NOTE:
TROUBLESHOOTING
The following troubleshooting does not cover all the possible causes of trouble. If should be helpful, howev-
er, as a guide to troubleshooting. Refer to the relative procedure in this manual for inspection, adjustment
and replacement of parts.
er, as a guide to troubleshooting. Refer to the relative procedure in this manual for inspection, adjustment
and replacement of parts.
STARTING FAILURE/HARD STARTING
FUEL SYSTEM
Fuel tank
Fuel tank
Empty
Clogged fuel strainer
Clogged fuel tank drain hose
Deteriorated fuel or fuel containing water or for-
eign material
eign material
Fuel cock
Clogged fuel hose / vacuum hose
Carburetor
Deteriorated fuel, fuel containing water or foreign
material
material
Clogged pilot jet
Clogged pilot air passage
Sucked-in air
Deformed float
Groove-worn needle valve
Improperly sealed valve seat
Improperly adjusted fuel level
Improperly set pilot jet
Clogged starter jet
Starter plunger malfunction
Improperly adjusted starter cable
Air cleaner
Clogged air filter
Fuel pump
Faulty fuel pump
ELECTRICAL SYSTEM
Spark plug
Spark plug
Improper plug gap
Worn electrodes
Wire between terminals broken
Improper heat range
Faulty spark plug cap
Ignition coil
Broken or shorted primary / secondary
Faulty spark plug lead
Broken body
Full-transistor system
Faulty ignitor unit
Faulty pickup coil
Switches and wiring
Faulty main switch
Faulty engine stop switch
Broken or shorted wiring
Faulty neutral switch
Faulty start switch
Faulty sidestand switch
Faulty clutch switch
Starter motor
Faulty starter motor
Faulty starter relay
Faulty circuit cut-off relay
Faulty starter clutch