Common Faults And Causes Of Motorcycles - KEEWAY RK V125 C User Manual

XVIII. Common faults and causes of motorcycles
Phenomen Part location
on
Fuel System
EN
Ignition system
Cannot
start
Cylinder pressure
system
Cause of failure
No fuel in the tank
The oil pump is blocked or damaged, and the fuel quality is poor
Spark plug failure: too much carbon deposits and long use time
Spark plug cap failure: poor contact or burnt
failure: poor contact or burnt
CDI failure: poor contact or burnt
Trigger coil failure: poor contact or burnt
Stator failure: poor contact or burned out
Failure of each connection line: poor contact
Starting mechanism failure: worn or damaged
Intake and exhaust valve, valve seat failure: the fuel contains too
much gum or has been used for too long
Ignition coil
66
Disposal method
refuel
Clean or replace
Check or replace
Check or replace
Check or replace
Check or replace
Check or replace
Check or replace
Check or adjust
Check or replace