(I) Starting Trouble/Difficulty - Baja WD250U Service Manual

Trouble
CAUTION:
Please refer to relevant contents for the in-
spection, adjustment and replacement of
parts.

(I) Starting trouble/difficulty

1. Fuel system
(1) Fuel tank
• No oil
• Fuel filter is clogged
• Fuel filter net is clogged
• Breather tube is clogged
• Fuel is deteriorated or polluted
(2) Fuel cock
• Intel tube is clogged
• Fuel cock is not opened
(3) Carburetor
• Fuel is deteriorated or polluted
• Starting nozzle is clogged
• Air tube is clogged
• Float is distorted
• Needle valve is worn
• Improper valve sealing
• Improper installation of starting nozzle
• Starting nozzle is clogged
• Improper work of starting plug
(4) Air filter
• Core of air filter is clogged
2. Electric system
(1) Spark plug
• Improper spark plug clearance
(standard clearance is 0.6-0.7mm)
• Terminal is worn
• Spark plug is polluted
Chapter VI Vehicle Ordinary
Trouble and it's judgement
• Wrong spark plug heat value
• Inefficient spark plug cap
(2) Ignition coil
• Primary coil/secondary coil is broken
or shortened
• Inefficient high voltage wire
• Ignition coil is broken
(3) CDI magneto system
• CDI is failure
• Coil is failure
• Charging coil is failure
• Woodruff key is bad
(4) Switches and wires
• Main switch is bad
• The engine is off and switch is
inefficient
• Wires are broken or shortened
• Neutral switch is bad
• Starting switch is bad
• Rear brake switch is bad
(5) Staring motor
• Starting motor is bad
• Starting relay is bad
• Off power relay is bad
• Super clutch is bad
3. Cylinder
(1) Cylinder body and cylinder head
• Spark plug is loose
• Cylinder head or cylinder body is loose
• Cylinder head washer is damaged
• Cylinder body is worn or damaged
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