Trouble
shooting
Problem
Nos
ark in thes
ark
Spark plug
Magneto
Switch
Zündfunke
ist vorhanden
Compression and fueling is
normal
Fueling normal but poor
compression
No fuel supply
Problem
Compression
is normal and
no misfire
Overheating
Others
WARNING:
En
ine
does
Cause
1. Wets
ark
lu
electrodes
2. Carbon
de
osited
on the elektrodes
3. Insulation
failure
b
insulater
4. In ro ers
ark
ap
5. Burn
out
of electrodes
1. I niton
coil inside
failure
2. Dama
ed cable
sheath
1. Switch
is OFF
2. Switch
failure
3. Prime
wirin
earthed
1. Over
suckin
of fuel
2. Too rich fuel
3. Overflow
4. Clo
in
of air cleaner
5. Fault
fuel
1. Worn out c linder,
iston or
2. Gas leakage from cylinder and
crank
case
asket
1. Choked
breather
air hole
2. Clo
ed carburetor
3. Clo
ed fuel filter
Lack of power or unstable
Cause
1. Air
enetration
from fuel
2. Air penetration from intake tube joint or
carburetor
•oint
3. Water
in fuel
4. Piston
starts
to seize
5. Muffler
choked
with
carbon
1. Fuel too lean
2. Clo
in
ofc
tinder fin with
3. Inferior
fuel
4. Carbon
de
ositet
in combustion
5. S
ark
lu
electrode
red hot
1. Dirt
air cleaner
2. Over
loadin
Fuell must never be poured into the waste water or anywhere else. This wou ld
be punishable
facts of the case. In the sewer there is an extreme
explosion by spontanous ignition even at low temperature with damage which
cannot
be forseen.
not
start
Make
Cleanin
dama
e
Exchan
Ad'ust
Exchan
Exchan
or disconnected
Exchan
Set the switch
Exchan
Re
air
Drain
Ad•ust
Ad'ust
Wash
Chan
iston rin
Exchan
Apply liquid gasket and reassemble
Cleanin
Cleanin
Exchan
running
i e •oints etc.
Secure
Change gasket or thighten screws
Chan
Re
lace
Cleanin
Ad•ust
dust
Cleanin
Chan
chamber
Cleanin
Clean, ad'usts
Wash
Reduce
15
Re
aration
them
d
e
to 0.6-0.7mm
es
ark
lu
e
e or re
air
to ON
e
excess
fuel
carburetor
or exchan
e carburetor
with
mixed
asoline
e with
ro
er fuel
e
e fuel filter
Re
aration
connection
e with
ro er fuel
iston
and c linder
carburetor
e with
ro er fuel
ark
a
0.6-0.7mm
with
mixed
asoline
load
risc of