Troubleshooting - Engine - KSR Moto T58 - ZION 125 Repair Manual

ENGINE

TROUBLESHOOTING - ENGINE

FAILURE
Engine does not start when
the electric starter button is
pushed
Engine turns but does not
start or dies off
Engine has no idle
Engine does not speed up
Blue smoke emission
Black smoke emission
Low compression
High compression
Piston noice
Heavy smoke
48
CAUSE
Battery discharged
Fuse is blown
Starter relay defective
Starter motor defective
A fuse is blown
Idle speed is not set correctly
Spark plug is contaminated
Wire harness is worn
Contact problem in a plug
No gasoline in the tank
pressurized system
Spark plug defective
dirty or worn
Failure in fuel system
Problem with the carburretor
To much oil support
Fuel/ Air ratio wrong - too much fuel
Piston, piston rings, gaskets, crankcase or
cylinder worn or damaged
Combustion chamber and the carbon deposi-
tion on the top of the piston.
Piston, piston rings, piston pin, cylinder, conrod
or bearing are worn or damaged
TO DO
Charge the battery
Check the charging of the battery
Check if the generator is working
correctly
Check or replace
Check the starter relay
Check the starter motor
Check or replace
Check or replace
Check the wiring harness
Check the plugs of the wiring har-
ness
Check the carburetor and pressur-
ized system
Check or replace
Check the carburetor system
Check or replace
Check the carburetor system
Check the carburetor system
Check the fuel system
Check the carburretor
Check the oil pump
Check the carburretor
Check all parts and replace if nec-
essary
Check all parts and replace if nec-
essary
Check all parts and replace if nec-
essary