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TROUBLESHOOTING
Before making a request for repairs, check a trouble for yourself. If any abnormality is found, control your
machine according to the description of this manual. Never tamper or dismount any part contrary to the
description. For repairs, contact Authorized Service Agent or local dealership.
State of abnormality Probable cause (malfunction) Remedy
Failure to operate primer pump Push 7 to 10 times.
Low pulling speed of starter rope Pull strongly.
Lack of fuel Feed fuel.
Clogged fuel filter Clean
Broken fuel tube Straighten fuel tube
Deteriorated fuel
Deteriorated fuel makes starting more
difficult. Replace with new one.
(Recommended replacement: 1 month)
Excessive suction of fuel
Set throttle lever from medium speed to
high speed, and pull starter handle until
engine starts. Once engine starts, cutter
blade starts rotating. Pay full attention
to cutter blade.
If engine will not start still, remove spark
plug, make electrode dry, and reassemble
them as they originally are. Then, start as
specified.
Detached plug cap Attach securely
Contaminated spark plug Clean
Abnormal clearance of spark plug Adjust clearance
Other abnormality of spark plug Replace
Abnormal carburetor Make request for inspection and
maintenance.
Starter rope cannot be pulled Make request for inspection and
maintenance
Engine does not start
Abnormal drive system Make request for inspection and
maintenance
Insufficient warm-up Perform warm-up operation
Choke lever is set to “CLOSE”
although engine is warmed up
Set to “OPEN”
Clogged fuel filter Clean
Contaminated or clogged air
cleaner
Clean
Abnormal carburetor Make request for inspection and
maintenance
Engine stops soon
Engine speed does
not increase
Abnormal drive system Make request for inspection and
maintenance