WMOTO RT3 S - Page 23

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Common
faults
Classication Possible causes Troubleshooting method
Oil pump does
not work
Ele ctr ica l
equipment
T h e b a tter y power su ppl y i s n o t
connected properly
Check and tighten the battery
Poor contact or burnt out of the fuse Check and replace the fuse
Damaged oil pump relay Check and replace the oil pump relay
EFI
Oil pump failure Replace with a new oil pump
ECU failure or no program Replace the ECU
T h e w h o l e
veh i cle c a n
not start
Inta k e a n d
exhaust
Leakage in the air intake system causes
the air-fuel ratio to be too lean for
ignition
Check the installation position of the fuel injector, the installation
sur face of the intake pipe and the engine, the installation
connection between the throttle body assembly and the intake
pipe, and whether the desorption pipe of the intake pipe leaks
EFI
Ignition coil fault Replace the ignition coil
Fuel injector failure or blockage Check and replace the fuel injector
Insucient oil pump pressure Check or replace the oil pump
Throttle position sensor fault Check or replace the throttle position sensor
Oxygen sensor is damaged Check or replace the oxygen sensor
The temperature sensor is damaged
Check or replace the intake air temperature sensor or cylinder
head temperature sensor
Engine
Trigger coil failure Check the trigger coil and harness
Poor ignition of spark plug
Check the connector or replace the spark plug or spark plug cap
Poor contact between spark plug cap
and spark plug
Cylinder pulling or leakage on the valve
sealing
Check and replace the engine
Ele ctr ica l
equipment
Battery power supply is not conne
cted
well or power loss
Check and tighten the battery
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