- 19 -
2,if it was used every day, must make maintenance.
3, change then according to season in a cold area.
Simple trouble solution
Table 4
Complaint
Symptom and possible causes
solution
Damaged spark plug
Replace
Damaged Ignition Coil
Replace
Defective CDI
Replace
Defective ignition switch
Replace
Plug not
sparking
Renegade or loosely Ignition
system
Connect well or tighten
Spark plug gap too small or big
Adjust
Spark plug pole burn
Replace
Spark
plug is
weak
Spark plug accumulates carbons
Clear out
Fuel use out
Replenish
Oil mouth stop up
Dredge
Fuel tank switch wear
Change
Fuel path stop up
Dredge
Air filter stop up
Clean the air filter element
No mixed
air in
cylinder
Intake system leak
Check and clear out
Spark plug seat leak
Tighten spark plug
Cylinder cover leak
Change washer
Piston ring & cylinder wear badly
Change piston or cylinder
Engine
does not
start
Cylinder
compresses
strength low
Piston ring break/ unused Carbon block
Change piston ring / clear out carbons
- 20 -
Table 4
Complaint
Symptom and possible causes
solution
Octane value of the fuel is too low
Change fuel
Oil path stop up
Clean oil path
Ignition time is too early or too late
Check coil and change CDI
Spark too weak or flameout
Check ignition and clear out
Mixed air too dense or race
Clean& adjust carburetor
Engine leak
Check and clear out
Muffler stop up
Dredge
Belt wear
Replace
The vehicle
is unable to
accelerate
performance
badly
Automatic clutch roller wearing
Replace
Clutch worn
Replace
Starting relay worn
Replace
Electric
start failure
Electric quantity lack
Charge
Turning bearing gap too wide
Adjust
Lack of tire pressure
Pump
Driving
unsteady
Front& rear Axle flexible
Tighten nut
Brake pad fray to limit
Replace
Brake cam fray
Replace
Brake cable damaged
Replace
Brake
Failure
Free path overlong
Adjust
