Lifan M70 - Page 42

under
the magneto.
If
temperatures sulpass
the
limits,
it
is an indication
that
gasoline
engine is
excessive
hot.
VI. THnRE
IS ABNoRMAL
NoISB
wHEN
ENGINB
RUNNING
TROUBLE
CAUSE
REMEDY
There is noise of
beating or
piston
slap is heard
Piston or
piston
ring
or cylinder
is
worn Replace the
worn
Tie
rod
or
piston
pin
and
piston pin
hole is worn
Replace
the
worn
Main
bearing of crankshaft
is worn
Replace
Piston ring
is
broken
Replace
There is metal-beaten
noise in
abnormal
combustion
Too much carbon
deposit in
combusting chamber
Clear away
carbon deposit
Too
small electrodes
clearance
of spark
plug
Adjust
electrodes
clearance
properly
Engine
is flooded
with
fuel
Check
ielative
carburetor
parts
such as
Improper
fuel brand
Replace
fuel
Engine
is
excessively hot
Shoot trouble
/a