Murana WSG112, General Instruction Manual

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v.090220
9
ENGLISH
TROUBLESHOOTING
CAUTION: Do not disassemble the gasoline engine by yourself during the
warrant period! (If disassembled by user, the warranty is void.)
!
PROBLEM CAUSE SOLUTION
Will not start or difficulty starting
No spark at the spark plug Spark plug Spark plug shows deposit Clear deposit
Spark plug gap too big or too small Adjust to 0.6 - 0.8
Spark plug insulator damaged Replace spark plug
Other Igniter damaged Replace igniter
Flywheel magnetic force week Replace flywheel
Shows spark at the spark
plug
Good compression Too much fuel in the cylinder Screw out spark plug, dry and
screw in
Poor fuel quality, having water or dirt Replace fuel
No gasoline comes out
after removing carburetor
drain screw
Blocked pin valve Clean or replace carburetor
Oil supply normal, but
compression poor
Piston ring worn Renew
Spark plug loose Screw in tightly
Cylinder head leaking, valve gap or timing
wrong
Clear, reinstall or readjust
Ignition and gas supply
normal
High voltage cable contacting with spark
plug poor
Eliminate and connect
Stopping switch malfunction or short
circuit
Eliminate
Machine oil alarm damaged Renew
Abnormal running conditions
Insufficient speed or
power
Choke not opening Open the choke
Muffler ventilation poor Renew the muffler
Moving part worn Check or replace
Governor kit not to reach optimum
balance
Adjust the governor kit
Ignition energy too low Renew the igniter or renew the
flywheel
Valve gap too large Adjust to specified range
Cylinder head has carbon deposit Clear the carbon deposit
Speed varies greatly Governor kit does not reach optimum
matching state
Adjust the governor kit
Wrong carburetor Renew the carburetor
Spark plug gap not correct Adjust the gap
Speed too high Governor bar not pressing the governor
slider tight or governor slider off
Readjust or assemble the governor
slider
Abnormal sound Wrong the valve gap Adjust the valve gap
Cam gear damaged Renew the camshaft
Carburetor leakage Pin valve sticking with dirt Lightly tap carburetor or clear
0-ring deformed Renew
If you still have problems after dealing with according to the above-mentioned
methods, please call toll-free 1 (877) 840-0840 or to send the gasoline engine to
an authorized local repair facility.