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100379 - FRONT TINE TILLER
TROUBLESHOOTING
38
Stops Suddenly When Running
Problem
Cause
Solution
Stops suddenly while running
Fuel is empty.
Refill fuel.
Carburetor is clogged.
Check fuel line and dredge.
Float is leaking.
Repair.
Needle valve is stuck.
Dismantle float chamber and eliminate.
Spark plug is punctured, or short-
circuited by carbon deposit.
Replace spark plug.
Side electrode of spark plug is dropped
out.
Replace spark plug.
Ignition coil is punctured or short-
circuited.
Replace ignition coil.
Cylinder is seriously scored and valve
dropped out.
Repair or replace damaged parts.
Engine is Overheating
Problem
Cause
Solution
Engine is overheating
Oil level is low
Fill oil to proper level
Exhaust pipe blocked up
Clean exhaust pipe
Shroud leaking
Repair damaged part
Cooling fins blocked by foreign matter
Clean cooling fins
Cooling fan loosened and
malfunctioning.
Reinstall properly
Connection rod deformation has made
piston and cylinder bushing side wear
Replace connection rod
Cylinder or piston or piston ring is worn
and made a space between cylinder and
crankcase
Replace the worn parts
Crankshaft main bearing burned out
Replace main bearing
Beating sound
Piston, piston ring or cylinder is worn
Replace the worn part
Connection rod or piston pin and piston
pin hole are worn
Replace the worn part
Crankshaft main neck is worn
Replace the worn bearing
Piston ring is broken
Replace piston ring
Metal beating sound when abnormal
combustion occurs
Too much carbon deposit in combusting
chamber
Clear away carbon deposit
Insufficient electrode clearance of spark
plug
Adjust electrode clearance properly
Other
Improper valve clearance
Readjust valve clearance properly
Fly wheel is not connected with
crankshaft tightly
Tighten
For further technical support:
Technical Support Team
Mon-Fri 8:30 AM-5:00 PM (PST/PDT)
Toll Free 1-877-338-0999
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