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still has water, you can drain the oil
in the crankcase and observe its
color. If it is white, it means there is
still water.
If the cylinder enters water, step on
the starter lever a few times with the
flame off. If you step on it a few
times, the accumulated water in the
cylinder will be drained from the
exhaust pipe, and then you can blow
it to the oil adding port for a few
minutes with a fan.
WARNING: For safety's sake, wrap
spark plugs with a dry cloth to avoid
spark jumping.
Incorrect air and fuel mixing
Clean the fuel tank vent pipe and
adjust the air filter duct
Exhaust valve open
Check exhaust valve and correct
The engine can start, but it will stop
immediately
Incorrect air supply
Close the choke valve, clean the fuel
tank ventilation pipe, and adjust the
air filter air duct
Lack of fuel
Refuel
Engine overheating
Lack of coolant
Refill the coolant and check the
cooling system for leaks
Blocked water tank fins
Clean the tank fins with a low
pressure water stream and replace if
necessary
Engine running unevenly
Dirt on the spark plug, damaged or
incorrectly adjusted
Remove spark plug for cleaning and
adjustment, and replace if necessary
Defective spark plug cap
Check the condition of the spark
plug cap, check whether the spark
plug cap is in good contact with the
cable itself, check the cable, and
replace damaged accessories
Ignition rotor damaged
Replace the rotor
Water in the fuel
Empty the fuel and inject new fuel
Insufficient engine power or poor
acceleration
Problems with fuel supply
Clean fuel system and check
Dirt in the air filter
Clean the air filter and replace if
necessary
Damaged or leaking exhaust system
Inspect the exhaust system for
damage
and
replace
related
accessories if necessary
Dirt in the carburetor nozzle
Remove the carburetor and clean the
nozzle
