83
The capability of driving is bad and consuption is too high
Atmolysis chain
–
Fuel system is blocked
•
Atmolysis chain noise
–
Ignition system is wrong
–
Atmolysis chain tensioner is loose or damaged
•
••
•
Cylinder/Piston
–
Tensioner head is damaged
–
–
–
–
Cylinder pressure is low or not stable
–
Atmolysis chain guiding board is damaged
–
Cylinder or piston ring is abraded
Smoke is too much
Chain is too loose
–
Cylinder, piston or piston circle is abraded
–
Tensioner is damaged
–
Piston circle is installed incorrectly
–
Atmolysis chain becomes longer
–
Piston or cylinder wall is scratched
Too hot
–
There is carbon deposistion in piston or combustion chamber
•
••
•
CRANKSHAFT/KICKING STARTER
Noise is too much
CLASH OR ABNORMAL NOISE
–
Transmission bearing is abraded
–
Piston or cylinder is abraded
–
Crrankshaft big end or crankshaft pin is abraded
–
Carbon deposit
•
••
•
CLUTCH/SHIFT GEARS
Engine librates
CLUTCH
–
Crank moves too much
It is difficult for scooter to slide at idle speed
–
Clutch is not adjusted correctly
–
Clutch brake pad kit is distorted Kicking starter/Skid
–
Clutch locknut is too loose
–
The mark for Kicking starter gears/Transition
gears is wrong
–
Clutch acentric mass spring is not stable
–
Kicking starter spring is not stable
–
Start timing is not correct
–
Kicking starter/Transition gear is abraded or damaged
–
Transition gears are clipped on shaft for sliding axiall
Clutch skids at speedup
–
Clutch is not adjusted correctly
–
Clutch brake pad kit is abraded
–
Clutch acentric mass spring is wrong
- Clutch acentric disc is abraded
•
••
•
Front
wheel/Drum
brake/Shock
absorber/Driving
Front wheel swings
–
Rim or wheel axes is bended and distorted
–
Axes bearing is abraded
It is difficult to shift gears
–
Spoke looses or bends
–
Driver wheel disc acentric rolling pole is abraded
–
Something is wrong with tire
–
Driven wheel disc compression spring is damaged
–
Wheel inclines too much
Summary of Contents for ARN125
Page 5: ...5 A GENERAL INFORMATION...
Page 11: ...11 B PRODUCT...
Page 13: ...13 1 2 3 4 5 6...
Page 14: ...14 7 8 9 10 11 12...
Page 24: ...24...
Page 37: ...37 F Lubrication system Rocker arm Camshaft assy Crankshaft assy Oil pump assy Fileter assy...
Page 52: ...52...
Page 62: ...62...
Page 63: ...63 Charging system circuit diagram AC circuit diagram...
Page 72: ...72 C OTHERS...