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17 TROUBLESHOOTING
Fault
Engine does not start
Engine performance decreases
Engine runs irregularly
Extreme vibration
Unclean cut, lawn is yellow
Ejection blocked
Possible cause
Control bracket not pressed down.
Primer pump not operating
Fuel tank is empty.
Spark plug connector loose.
Spark plug defective or dirty or
electrode burnt out.
Excessive petrol supply to engine
(spark plug wet).
Air filter dirty
Air filter dirty.
Spark plug contaminated with soot.
Air filter dirty.
Spark plug contaminated with soot.
Blade blunt.
Cutting height too low.
Engine speed too low.
Mowing too fast.
Insufficient overlapping of cuts when
mowing.
Lawn becomes matted.
Engine speed too low.
Cutting height too low for grass that
is too high.
Pushing mower too fast.
Grass not dry.
17
Remedy
Press control bracket to upper part of
handlebar Z .
Activate primer pump three to five times B .
Fill fuel tank with clean and fresh fuel.
Press on spark plug connector or have it
checked by an authorized dealer.
Replace or clean spark plug, set electrode
gap to 0.5 mm Y .
Have it checked by an authorized dealer.
Clean or replace air filter insert W .
Clean or replace air filter insert W .
Have it cleaned by an authorized dealer.
Clean or replace air filter insert W .
Have it cleaned by an authorized dealer.
Have it checked by an authorized dealer.
Have it checked by an authorized dealer
Have it sharpened and balanced by an
authorized dealer Q .
Adjust to higher cutting height I .
Have it checked by an authorized dealer.
Adjust mowing speed.
Tall grass conditions may dictate that more
overlapping of cuts is required.
A lawn scarifier can remedy the problem
considerably
Have it checked by an authorized dealer.
Adjust to higher cutting height I .
Adjust mowing speed.
Let grass dry.
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