Analysis Of Engine Overheating - ZONGSHEN ZS250GY-3 Service Manual

①Check whether air filter is blocked.
②Check whether oxygen sensor is
working well.
③Check fuel nozzle is in working
order.
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1.4

Analysis of engine overheating

Check whether the pump
is damaged.
The ratio of Combustible mixed gas is normal.
Supply the same type of
liquid.
spark plug dielectric is white.
When accelerating,engine
has intermission.The engine
power is insufficient.
①Check whether fuel filter
is blocked.
②C h e c k w h e t h e r f u e l
nozzle is blocked.
③Check the oxygen sensor
is working well.