Lifan M27VTE - Page 40

VI.
There
exists
abnormal noise
when engine
running
TROUBLE
CAUSE
REMEDY
There
is noise
of
beating
Piston,
piston
ring
or cylinder
is wom
Replace
the worn
Tie
rod
or
piston pin
and
piston pin
hole
is
worn
Replace the wom
Crankshaft main bearing
is
wom
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 electrode
clearance of
spark
plug
Adjust electrode
clearance
properly
Engine is flooded
with fuel
Check
relative
parts
such
as
carburetor
Improper fuel
brand
Replace fuel
Engine is excessively
hot
Find a cause and eliminate
it
The other
Improper valve
clearance
Readjust valve clearance
properly
Fly wheel
is not connected
with crankshaft
tightly
Conhect
tightly
39