Advertisement
7.2 Engine malfunction and how to deal with it
If the engine is not in good condition, check it according to the table below and take appropriate action.
phenomenon
Starter does not run
Poor charging
Difficult to start
output is insufficient
In case of sudden
stop
Exhaust
color
is
abnormally black
Black color Exhaust
came out and output
decreased
Blue-white exhaust gas
Engine rotation is
not stable
EG
Stop
after
a
while
Exhaust
gas
pungent
odor
Cause
Not press the parking brake pedal
Cutting height lever is not in "move"
iti
Not sitting on the seat.
Poorly adjusted safety switch
Battery over discharge
Disconnection of battery cord
Disconnection of coupler wiring
Fuse blown
Harness cut or short
Defective charge coil
Fuse blown
Regulator failure
Battery life
Throttle lever is not "low speed" position
Choke lever is not in the "start" or "closed"
position.
Fuel does not flow
Fuel filter plugging
Air or water is mixed in the fuel line
system
Oil viscosity is high and engine rotation
is heavy in cold weather
Ignition coil or Unit IS defective.
Spark plug malfunction
Battery is discharge
Poor fuel quality
Lack of fuel
Lack of fuel
Clogged air cleaner
Poor fuel quality
The Choke is not completely open
The cooling system is clogged
Lack of fuel
Fuel cock closed
Poor fuel quality
Clogged air cleaner
Clogged air cleaner element
Chock is not completely open
Too much engine oil
Cylinder/piston ring wear
Choke is not completely open
Poor fuel quality
Defective ignition coil
Fuel filter is clogged
Poor fuel quality
treatment
Depress the pedal and lock with the stopper
Cutting height lever set to "moving"position
Sit on the seat and start
Adjust the switch range to 2 to 8 mm
Charge with normal current
Connect the cord
Connecting
Replace the fuse (30A)
Harness replacement
Replace charge coil
Replace the fuse (charge: 20A)
Replace regulator
Replace battery
Move the throttle lever to "low speed"
Pull and close the choke lever when the engine
is cooled.
Inspect the fuel tank to remove any impurities
or moisture that may have settled
Fuel cock to the "open" (ON) position.
Replace fuel filter
Remove foreign matter, inspect the tightening
band, and if damaged, replace with a new one.
Use different oil depending on temperature
*Replace the ignition coil or unit
Check the gap between the spark plug electrodes
Replace with a new spark plug
Remove the battery when not in use, store it in a
fully charged room indoors, and install it when using
Replace with new good fuel
Refuel
Refuel
Clean the element
Replace with good fuel
Fully return the choke lever to the "open"
Clean around the screen guard
Refuel
Fuel cock to the "open" (ON) position
Replace with good fuel
Clean the element
Clean the element
Fully return the choke lever to the "open"
position
Adjust to the specified amount of oil
＊Replace ring
Choke lever move to completely "open" position
Replace with good fuel
＊Replace ignition coil
Clean the fuel filter
Replace with good fuel
7. 点検表
position
Advertisement
