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29
TROUBLE
Engine stalling or running
with four stroke cycle
High rpm misfiring
Engine spluters into the
carburetor
Engine overheating
Emission of white smoke
(steam)
Excessive oil escapes from
transmission breather tube
CAUSE
Carburetor overflows if level adjust
too high, float needle seating is
dirty or enlarged
Loose carburetor jets
Incorrect heat range spark plug or
low quality spark plug
Loose, corroded or non conductive
ignition socket connector
Lack of fuel
Spark plug with incorrect heat value
(Ignition by incandescence)
Engine takes air out of control
Insufficient liquid in cooling system
Radiator fins clogged
Frothing in cooling system
Pinched or kinked water hoses
Incorrect ignition timing because of
loose stator screws
Incorrect compression ratio
Cylinder head or O-ring of cylinder
head gasket leaks
Excessive oil quantity in transmissi-
on
REMEDY
Clean carburetor, if necessary replace float needle and adjust
level
Tighten jets
Refer to technical data section
Check and seal with silicon
Clean fuel pipes, examine tank aeration and clean
Fit correct spark plug
Check intake flange and carburettor if firmly setted
Top up coolant and bleed cooling system check cooling
system for leaks
Clean radiatar fins with water jet
Renew coolant using branded anti-freeze/anti-corrosive (Shell
Advance Coolant)
Replace with correct routed hoses
Readjust to correct ignition timing specifications, secure scr-
ews with Loctite 243
Measure and adjust compression ratio
Check cylinder head, replace O-ring
Correct transmission oil level