Filter
Top Products
Tractors,
Lawn
and
Garden
-
110
and
112
Engine
20
SM-2059-
(Apr-67)
General
Information
-
Tecumseh
25-5
Breaker
pOints
worn,
pitted
or
out
of
adjust-
ment.
Check
breaker
points
co
ndition.
Clean
and
regap.
Replace
breaker
points
if
necessary.
High
tensi
on
wire
shorted.
Repl::\ce
wire.
High
tension
wire
loose
at
spark
plug
or
coil.
Check
spark
plug
connection
and
install
wire
properly
in
coil.
Loose
electrical
connections.
Check
connections
and
tighten
leads
firmly.
Restricted
fuel
tank
vent.
Replace
filler
cap
or
cap
gauge
assembly.
C10ggeel
fue
1 1
ine
or
a
ir
lock.
Clean
and
bleed
line.
Replace
lin
e
if
necessary.
Broken
choke
cable.
Eepla
ce
aml
adjust
cable
properly.
Throttle
cable
not
properly
adjusted.
Check
cable
at
control
and
governor
as-
sembly
anel
adjust
properly.
Dirt
or
water
in
fuel
system.
Remove
fuel
system
and
clean
dirt
Jnd
water
from
system.
Install
new
gaskets.
Install
ca
rburetol'
kit
if
necessary.
High
speee!
and
ielle
mixture
neeeli
es
not
prop-
erly
adjusted.
Adjust
needl
es
properly.
Wrong
valve
clearance.
Check
:lI1el
adjust
valve
cle:uance.
B
ad
head
gasket.
Repl
ac
e
gaske
t
and
torque
cy
linder
head
properly.
Restricted
exhaust
system.
Check
exhaust
system
c
ondition.
Replace
muffler
if
necessary.
Low
compression.
Check
compression
and
service
ellgine
ac
-
cordingly.
Valve(s)
open
(st
e m
sticking
in
guide).
Free
valve.
Clean
valve
stem
and
g
uide
ifnec
es
sary.
Engine
81
avls
Bul
Fails
10
Keep
Hllmlin,~
Restricted
fuel
tank
vent.
R
ep
la
ce
fuel
CflP
or
cap
gauge
assembly.
High
speee!
a
nd
idle
mixture
needles
not
prop-
erl
y
adjusted.
Aeljust
neeelies
properly.
Broken
choke
Cd
ble.
Replac
e
and
adjust
cable
properly.
Dirt
or
welter
in
fuel
system.
Hemove
fuel
system
and
c
lean
dirt
ancl
water
from
system.
Install
new
gaskets.
Install
carburetor
kit
if
necessary.
Carburetor
float
not
pr
o
perly
adjusted
or
leaky
flo
at.
Check
float
condition,
adjust
float.
Install
new
float
anel
adjust
if
necessary.
High
tension
wire
lo
o
se
at
spark
plug
or
coil.
Check
spark
plug
connection
and
install
wire
properly
in
coil.
High
tenSion
wire
shorteel.
Replac
e
wire.
Breaker
pOints
not
properly
adjusted.
Cle:lI1
cll1d
regap.
Replace
breaker
points
if
ne
cessa
ry,
Loose
connections.
Check
a
nd
tight
en
wires
properly.
Defective
head
gasket.
Replace
heacl
gasket
and
t
orq
ue
cylinder
head
properly.
Faulty
condenser.
Check
condenser.
Repl3ce
if
necessary.
Ex
ces
s i
ve
engine
10:ld (lugg'ing
engine).
Re
duce
en
g
ine
load.
1:'7Zgine
{luns
Bill
,\1isses
High
tension
wire
l
oose
from
spark
plug
or
coil.
Check
spark
plu!S
connection
and
install
wire
properly
in
coil.
Litho
in
U.S.A.