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INSTRUCTION
BOOK
SUMMARY OF ENGINE
TROUBLES AND
THEIR
CAUSES
Engine Fails to Start:
If
starter turns engine over freely. check the following:
Ignition switch off.
Gasoline
ank empty or supp]y
hut off.
49
If engine is cold mixture
may not be rich enough
-
choke
bu on not pulled bac
. Sees•
an =ng ins ructions, page 8.
Warm engine
over choki. g. See page 8.
Breaker
points too close. The correct adjustment
is
.018 to
O~-.
Spark plug gaps too w'ide. Corr ct gap
.027
.
Water in sediment
bulb or carburetor.
See
ins ructions on
page 22.
Starter Fails to Turn Engine Over:
Battery
run
down.
A quick way
to
check this is
to
turn on
the
lights,
and depress
the
starter
switch.
If the
battery
is
weak
the
lights will go
out
or grow quite
dim. If
the battery
is
run
down,
have i recharged.
Loose
or dirty
battery
connections-See
that
both
the
negative and posi ive
battery
terminal
connections
are
clean
and
tight. These
connections
should
be checked
regularly.
Missing at low Speed:
Gas mixture too
rich
or
too
lean. See carburetor
adjustment
on
pages 24
and
25.
Too close
a gap between spark
lug points.
The
correct
gap
is .027".
Breaker
points improperly
adjusted,
badly burn
or
pitted.
See adjusting breaker contact
points, page
28.
Fouled spark plug. Plugs should
occasionally
be cleaned and
the
gaps checked.
Water
in gasoline.
See
instructions
on
cleanin~
sediment
bu.lb
and
carburetor,
page
22.
Missing at High Speed:
Insufficient
gasoline flowmg to carburetor
due to gasoline
line or filter
screen bemg partly clogged.
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