Lifan M70 - Page 35

TROUBLE
CAUSE
REMEDY
Piston ring
is so worn to over
its
wear limit
Replace
a set of
piston
rings
Piston
ring is sticking
Clear
up
carbon
fouling
Piston
ring is broken
Replace
Spark
plug
is not installed
tighten
or without
a
gasket
Tighten
with a
gasket
in
Air
leakage
between cylinder
block
and cylinder
Check cylinder
gasket
and the
flatness of
the surface
by which
cylinder
black on-tacting
with
cylinder
head; tighten
cylinder bolts
in the order to stipulated torque
1. Poor cylinder
compression
a
Normal fuel supply system
a
Normal
ignition system
Air leakage in valve
Check valve clearance and tightness,
repair ifnecessary
Once
you
find
any of
above
problems,
contact
the
authorizalion
entitle
to the dealer
of the
privilege
for
35