compress
press
is
shortage
piston ring attrite
piston ring is
broken
piston ring
cementation
spark plug
looseness
conjoint surface
of the
cylinder and
crank cast leak
replace a new
replace
eliminate
tighten
eliminate
fuel
syste
m
norm
al
Ignition
System
normal
Compress
normal
High voltage wire
and spark
Plug contact
badness
Stop switch
failure or short
circuit
tighten the spark plug
cap
repair or replace
2. LOW OUTPUT
symptom
Probable cause
Remedy
flameout when
speedup
the smoke is thin,
carburetor spout
backward
fuel filter obstruct,
fall short of fuel
muffler fouled with
oily deposits
clean fuel filter
ǃ
clean
fuel road
ǃ
adjust carburetor
clean the oily deposits
compress press is
shortage
piston
ǃ
piston ring
ǃ
cylinder attrite
ǃ
replace piston
ǃ
piston
ring
engine
leak
Conjoint surface of
the
Cylinder and crank
cast leak
repair
the end of two crank
shaft leak
the seal is bad
replace seal
engine overheats
burning room fouled
with
oily deposits
avoid use it for long
time
ǃ
high speed and heavy
load
clean the oily deposits