(V) Clutch Slips; (Vi) Clutch Is Locked; (Vii) Engine Is Overheat; (Viii) Brake Trouble - ATV ATV110-M Service Manual

(2) Fuel system
¡¤ Main jet of carburetor is wrong
¡¤ Improper oil level
¡¤ Core of air filter is clogged
(3) Cylinder system
¡¤ Serious carbon deposition
(4)Engine oil
¡¤ Improper oil level
¡¤ Improper oil toughness
¡¤ Poor oil quality
(5)Brake
¡¤ Brake is stagnant

(VIII) Brake trouble

Troubles: Poor brake efficient
¡¤ Brake shoe lining is worn
¡¤ Serious wear of brake shoe
¡¤ Brake shoe oil is too much
¡¤ Improper adjustment of brake clearance
¡¤ Improper brake arm position
¡¤ Returing spring is fatigue and damaged
¡¤ Brake cable is broken

(IX) Shock absorber failure/improper operation

1. Shock absorber failure:
¡¤ Damping rod is bent or damaged
¡¤ Bad oil sealing lip
¡¤ Spring of shock absorber is fatigue
2. Improper operation
(1) Handle bar
¡¤ Improper installation or handlebar is bent
(2) Steering system
¡¤ Wrong toe-in
¡¤ Steering pillar is bend
(4) Driving system
¡¤ Claw of gear end is worn

(V) Clutch slips

(1) Clutch
¡¤ Improper adjustment of clamp plate release
rod clearance of clutch
¡¤ Clutch spring is loosen (primary clutch and
/ secondary clutch)
¡¤ Clutch spring is fatigue (primary clutch and/
secondary clutch )
¡¤ Friction disc is worn
¡¤ Clamp plate is worn or deformed
¡¤ Main clutch shoe lining is worn
(2)Engine oil
¡¤ Low oil level
¡¤ Poor quality(viscosity is low)
¡¤ Deteriorated oil

(VI) clutch is locked

¡¤ (1)Clutch
¡¤ Clutch is out of control or the clearance is
too big
¡¤ Improper match between release lever and
release rod
¡¤ Deformed clutch clamp plate
¡¤ Friction disc is deformed
¡¤ Clutch hub is broken
(2)Engine oil
¡¤ High oil level
¡¤ Poor oil quality(viscosityis high)
¡¤ Deteriorated oil

(VII) Engine is overheat

(1)Ignition system
¡¤ Improper spark plug clearance
¡¤ Wrong spark plug heating value
¡¤ CDI failure
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